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Publications

203. Squaraine Appended with Benzodipyrrole for Fluorescent Sensing of Methanol: Exciton Coupling Controls Photophysical Properties

Ryuhei Sawada, Chinju Govind, Takeshi Maeda, Naoya Suzuki, Shigeyuki Yagi, Venugopal Karunakaran, Ayyappanpillai Ajayaghosh*

Chemistry–An Asian Journal, 2023, 18 (24), e202300868.  Full Text  

 

202. One‐Photon and Two‐Photon Absorption Properties of Multi‐Branched Squaraine Dyes Comprised of Triphenylamine Cores and Ethynylene Linkers

Tay V Nguyen, Takeshi Maeda, Tetsuya Matsuyama, Naoya Suzuki, Hiroyuki Nakazumi, Shigeyuki Yagi, Ayyappanpillai Ajayaghosh*

ChemPhotoChem, 2023, 7 (11), e202300152.  Full Text  

201. Controlling the Morphological Features, Aspect Ratio and Emission Patterns of Supramolecular Copolymers by Restricted Dimensional Growth

Gourab Das, Anjali Anand, Balaraman Vedhanarayanan, Akhil Padmakumar, Vakayil K Praveen, Ayyappanpillai Ajayaghosh*

Chemistry–A European Journal, 2023, 9 (58), e202301819.  Full Text  

200. Insights on the Molecular Orientation of Oligo(p-phenylene vinylene) Derivatives with Alkyl Chains in Langmuir Films

Takafumi Shimoaka, Yuta Yamaguchi, Nobutaka Shioya, Ayyappanpillai Ajayaghosh, Taizo Mori, Katsuhiko Ariga, Takeshi Hasegawa

The Journal of Physical Chemistry C, 2023, 127 (19), 9336-9343.        Full Text  

199. Expanding the horizons of covalent organic frameworks: sub-stoichiometric synthesis as an emerging toolkit for functional COFs

Samiyappan Vijayakumar, Ayyappanpillai Ajayaghosh*, Sreejith Shankar

Journal of Materials Chemistry A, 2023, 11 (48), 26340-26370.  Full Text  

198. Metallosupramolecular polymers: current status and future prospects

Rahul Dev Mukhopadhyay, Ayyappanpillai Ajayaghosh*

Chemical Society Reviews, 2023, 52, 8635-8650.  Full Text  

197. Oxide anchored multi-charged metal complexes with binary nanoparticles for stable and efficient anti-bacterial coatings on cotton fabrics

Anjali Nirmala, Suja Pottath, Adarsh Velayudhanpillai Prasannakumari, Valan Rebinro Gnanaraj, Jubi Jacob, BS Dileep Kumar, Saju Pillai, Rajeev Kumar Sukumaran, US Hareesh, Ayyappanpillai Ajayaghosh*, Sreejith Shankar

Materials Advances, 2023, 4 (23), 6213-6222.  Full Text  

196. Photocycloaddition as a Tool for Modulation of the Lower Critical Solution Temperature in a Molecular π‐System to Control Transmission of Solar Radiation

Satyajit Das, Dipak Patra, Sreejith Shankar, Ayyappanpillai Ajayaghosh*

Angewandte Chemie Int. Ed., 2022, 134 (35), e202207641.  Full Text  

195. Amplified spontaneous emission from zwitterionic excited-state intramolecular proton transfer

Atul Shukla, Van Thi Ngoc Mai, Velayudhan V Divya, Cherumuttathu H Suresh, Megha Paul, Venugopal Karunakaran, Sarah Katariina Martikainen McGregor, Ilene Allison, KN Narayanan Unni, Ayyappanpillai Ajayaghosh, Ebinazar B Namdas, Shih-Chun Lo

Journal of the American Chemical Society, 2022, 144 (30), 13499-13510.  Full Text  

 

194. Tunable capacitive behavior in metallopolymer-based electrochromic thin film supercapacitors

Indulekha Mukkatt, Anjana Padmaja Mohanachandran, Anjali Nirmala, Dipak Patra, Priyanka A Sukumaran, Renjith S Pillai, RB Rakhi, Sreejith Shankar, Ayyappanpillai Ajayaghosh*

ACS Applied Materials & Interfaces, 2022, 14 (28), 31900-31910.  Full Text  

193. Synthesis, Photophysical and Electrochemical Properties of Bis‐Squaraine Dyes Fused on Isomeric Benzodipyrrole Central Units

Ryuhei Sawada, Takeshi Maeda, Yuya Oda, Shigeyuki Yagi, Venugopal Karunakaran, Hideki Fujiwara, Ayyappanpillai Ajayaghosh*

Chemistry–An Asian Journal, 2022, 17 (13), e202200227.  Full Text  

192. Role of alkyl groups regulating recombination and mass transport at cobalt electrolyte-dye interface in dye sensitized solar cells

Lingamoorthy Sivasankaran, Sourava Chandra Pradhan, Rakesh K Mishra, Suraj Soman, Ayyappanpillai Ajayaghosh*

Solar Energy, 2022, 236, 182-194.  Full Text  

191. π‐Extended Bodipy Self‐Assembly as Supramolecular Photonic Security Ink and Optical Waveguide

Sandeep Cherumukkil, Gourab Das, Ravi PN Tripathi, GV PavanKumar, Sunil Varughese, Ayyappanpillai Ajayaghosh*

Advanced Functional Materials, 2022, 32 (6), 2109041.  Full Text  

190. Structurally directed thienylenevinylene self-assembly for improved charge carrier mobility: 2D sheets vs. 1D fibers

Samrat Ghosh, Seelam Prasanthkumar, Satyajit Das, Akinori Saeki, Shu Seki, Ayyappanpillai Ajayaghosh*

Chemical Communications, 2022, 58 (48), 6837-6840.  Full Text  

189. High-frequency electrochemical double layer capacitor based on carbon nanotubes ink coated eggshell membrane electrodes

S Das, M Manuraj, RB Rakhi, Ayyappanpillai Ajayaghosh*

Journal of Energy Storage, 2022, 45, 103799.  Full Text  

188. Enhanced light extraction from organic light emitting diodes using a flexible polymer-nanoparticle scattering layer

Anjali K Sajeev, Nishkarsh Agarwal, Anjaly Soman, Shilpi Gupta, Monica Katiyar, Ayyappanpillai Ajayaghosh*, KN Narayanan Unni

Organic Electronics, 2022, 100, 106386.  Full Text  

187. White organic light-emitting diodes from single emissive layers: Combining exciplex emission with electromer emission

CK Vipin, Atul Shukla, Kavya Rajeev, Monirul Hasan, Shih-Chun Lo, Ebinazar B Namdas, Ayyappanpillai Ajayaghosh*, KN Narayanan Unni

The Journal of Physical Chemistry C, 2021, 125 (41), 22809-22816.  Full Text  

 

186. Structural Integration of Carbazole and Tetraphenylethylene: Ultrafast Excited‐State Relaxation Dynamics and Efficient Electroluminescence 

Sarah KM McGregor, Chinju Govind, Michael KR Wood, Atul Shukla, Hyunsoo Lim, Romain J Lepage, Elizabeth H Krenske, Narayanan Unni KN, Ayyappanpillai Ajayaghosh, Venugopal Karunakaran, Ebinazar B Namdas, Shih-Chun Lo

Advanced Photonics Research, 2021, 2 (4), 2000144.  Full Text  

185. Tweaking a BODIPY Spherical Self‐Assembly to 2D Supramolecular Polymers Facilitates Excited‐State Cascade Energy Transfer

Gourab Das, Sandeep Cherumukkil, Akhil Padmakumar, Vijay B Banakar, Vakayil K Praveen, Ayyappanpillai Ajayaghosh*

 Angewandte Chemie International Edition, 2021, 60 (14), 7851-7859.  Full Text  

184. Ligand-controlled electrochromic diversification with multilayer coated metallosupramolecular polymer assemblies

Indulekha Mukkatt, Anjali Nirmala, Nayan Dev Madhavan, Sreejith Shankar, Biswapriya Deb, Ayyappanpillai Ajayaghosh*

ACS Applied Materials & Interfaces, 2021, 13 (4), 5245-5255.  Full Text  

183. Thermochromic color switching to temperature controlled volatile memory and counter operations with metal–organic complexes and hybrid gels

Anjali Nirmala, Indulekha Mukkatt, Sreejith Shankar, Ayyappanpillai Ajayaghosh

Angewandte Chemie International Edition, 2021, 60 (1), 455-465.  Full Text  

182. Indoor light-harvesting dye-sensitized solar cells surpassing 30% efficiency without co-sensitizers

Reethu Haridas, Jayadev Velore, Sourava Chandra Pradhan, Asarikal Vindhyasarumi, Karuvath Yoosaf, Suraj Soman, KN Narayanan Unni, Ayyappanpillai Ajayaghosh*

Materials Advances, 2021, 2 (23), 7773-7787.  Full Text  

 

181. Regulating Back Electron Transfer through Donor and π‐Spacer Alterations in Benzothieno [3, 2‐b] indole‐based Dye‐sensitized Solar Cells

PR Nitha, V Jayadev, Sourava C Pradhan, Velayudhan V Divya, Cherumuttathu H Suresh, Jubi John, Suraj Soman, Ayyappanpillai Ajayaghosh*

Chemistry–An Asian Journal, 2020, 15 (21), 3503-3512.  Full Text  

 

180. Enhanced Emission in Self‐Assembled Phenyleneethynylene Derived π‐Gelators

Gourab Das, Rajasekaran Thirumalai, Balaraman Vedhanarayanan, Vakayil K Praveen, Ayyappanpillai Ajayaghosh*

Advanced Optical Materials, 2020, 8 (14), 2000173.  Full Text  

 

179. Metal ion-induced capacitance modulation in near-isostructural complexes-derived electrochromic coordination polymers

I Mukkatt, PM Anjana, A Nirmala, RB Rakhi, S Shankar, Ayyappanpillai Ajayaghosh*

Materials Today Chemistry, 2020, 16, 100260.  Full Text  

 

178. Diketopyrrolopyrrole-based functional supramolecular polymers: next-generation materials for optoelectronic applications

Samrat Ghosh, Sreejith Shankar, Divya Susan Philips, Ayyappanpillai Ajayaghosh*

Materials Today Chemistry, 2020, 16, 100242.  Full Text  

 

177. Supramolecular surface charge regulation in ionic covalent organic nanosheets: reversible exfoliation and controlled bacterial growth

Arindam Mal, Samiyappan Vijayakumar, Rakesh K Mishra, Jubi Jacob, Renjith S Pillai, BS Dileep Kumar, Ayyappanpillai Ajayaghosh*

Angewandte Chemie International Edition, 2020, 132 (22), 8791-8797.  Full Text  

176. Self-assembled extended π-systems for sensing and security applications

Vakayil K Praveen, Balaraman Vedhanarayanan, Arindam Mal, Rakesh K Mishra, Ayyappanpillai Ajayaghosh*

Accounts of Chemical Research, 2020, 53 (2), 496-507.  Full Text  

 

175. A new pentacyclic pyrylium fluorescent probe that responds to pH imbalance during apoptosis

Sandip Chakraborty, Manu M Joseph, Sunil Varughese, Samrat Ghosh, Kaustabh K Maiti, Animesh Samanta, Ayyappanpillai Ajayaghosh*

Chemical Science, 2020, 11, 12695-12700.  Full Text  

 

174. Regulating Back Electron Transfer through Donor and π‐Spacer Alterations in Benzothieno [3, 2‐b] indole‐based Dye‐sensitized Solar Cells

PR Nitha, V Jayadev, Sourava C Pradhan, Velayudhan V Divya, Cherumuttathu H Suresh, Jubi John, Suraj Soman, Ayyappanpillai Ajayaghosh*

Chemistry–An Asian Journal, 2020, 15 (21), 3503-3512.  Full Text  

 

173. Silicon Shadow Mask Technology for Aligning and In Situ Sorting of Semiconducting SWNTs for Sensitivity Enhancement: A Case Study of NO2 Gas Sensor

Pankaj B Agarwal, Rishi Sharma, Dharmesh Mishra, Navneet Kumar Thakur, Ajay Agarwal, Ayyappanpillai Ajayaghosh*

ACS Applied Materials & Interfaces, 2020, 12 (36), 40901-40909.​  Full Text  

 

172. Controlling the Supramolecular Polymerization of Donor‐Acceptor π‐Systems through Hydrogen Bond Intervention

Vishnu Sukumaran Nair, Balaraman Vedhanarayanan, Ayyappanpillai Ajayaghosh*

ChemPlusChem 2019, 84 (9), 1405-1412.​  Full Text  

 

171. Solution processable deep-red phosphorescent Pt (II) complex: Direct conversion from its Pt (IV) species via a base-promoted reductionIlene

Allison, Hyunsoo Lim, Atul Shukla, Viqar Ahmad, Monirul Hasan, Kedar Deshmukh, Robert Wawrzinek, Sarah KM McGregor, Jack K Clegg, Velayudhan V Divya, Chinju Govind, Cherumuttathu H Suresh, Venugopal Karunakaran, Narayanan Unni KN, Ayyappanpillai Ajayaghosh, Ebinazar B Namdas, Shih-Chun Lo

ACS Applied Electronic Materials, 2019, 1 (7), 1304-1313.​  Full Text  

 

170. Hybrid Materials from Poly (vinyl chloride) and Organogels

Zakaria Zoukal, Said Elhasri, Alain Carvalho, Marc Schmutz, Dominique Collin, Praveen K Vakayil, Ayyappanpillai Ajayaghosh, Jean-Michel Guenet

ACS Applied Polymer Materials, 2019, 1 (5), 1203-1208.​  Full Text  

 

169. Supramolecular gel phase controlled [4+ 2] Diels–Alder photocycloaddition for electroplex mediated white electroluminescence

Satyajit Das, Naoki Okamura, Shigeyuki Yagi, Ayyappanpillai Ajayaghosh*

Journal of the American Chemical Society, 2019, 141 (14), 5635-5639.​  Full Text  

 

168. A Self-Recovering Mechanochromic Chiral p-Gelator.

K. K. Kalathil, V. S. Nair, V. K. Praveen, M. Takeuchi and Ayyappanpillai Ajayaghosh*

Journal of Materials Chemistry C, 2019, 7, 1292.​  Full Text  

 

167. Charge Carrier Polarity Modulation in Diketopyrrolopyrrole Based Low Bandgap Semiconductors by Terminal Functionalization.

S Ghosh, R Raveendran, A Saeki, S Seki, M. Namboothiry and Ayyappanpillai Ajayaghosh*

ACS Applied Materials & Interfaces, 2019, 11, 1088.  Full Text  

 

166. Enzyme-Driven Switchable Fluorescence-SERS Diagnostics Cocktail for the Mutiplex Detection of Lung Cancer Biomarkers.

G. Saranya, M. M. Joseph, V. Karunakaran, J. B. Nair, V. N. Saritha, V. S. Veena, K. Sujathan,Ayyappanpillai Ajayaghosh* and K. K. Maiti

ACS Applied Materials & Interfaces, 2018, 10, 38807.​  Full Text  

 

165. Intramolecular Exciton-Coupled Squaraine Dyes for Dye-Sensitized Solar Cells.

T. Maeda, T. V. Nguyen, Y. Kuwano, X. Chen, K. Miyanaga, H. Nakazumi, S. Yagi, S. Soman and Ayyappanpillai Ajayaghosh*

Journal of Physical Chemistry C 2018, 122, 21745–21754.  Full Text  

 

164. Real Time Imaging and Dynamics of Hippocampal Zn2+ under Epileptic Condition Using a Ratiometric Fluorescent Probe.

H. Santhakumar, R. V. Nair, D. S. Philips, S. J. Shenoy, A. Thekkuveettil, Ayyappanpillai Ajayaghosh* and R. S. Jayasree

Scientific Reports 2018, 8, 9069.  Full Text  

 

163. A Cyclometalated Ir(III) Complex as Lysosome Targeted Photodynamic Therapeutic Agent for Integrated Imaging and Therapy in Cancer Cells.

K. V. Sudheesh, P. S. Jayaram, A. Samanta, K. S. Bejoymohandas, R. S. Jayasree and Ayyappanpillai Ajayaghosh*

Chemistry European Journal 2018, 24, 10999. (Hot Article, highlighted with a Frontispiece).  Full Text  

 

162. Supramolecular Reassembly of Self-Exfoliated Ionic Covalent Organic Nanosheets for Label-Free Detection of dsDNA.

A. Mal, R. K. Mishra, V. K. Praveen, M. A. Khayum, R. Banerjee and Ayyappanpillai Ajayaghosh*

Angewandte Chemie, Int. Ed. 2018, 57, 8443. (VIP Article).  Full Text  

 

161. A Hybrid Organogel of a Low Band Gap Diketopyrrolopyrrole with PC71BM: Phase Separated Morphology and Enhanced Photoconductivity.

S. Ghosh, S. Das, A. Saeki, V. K. Praveen, S. Seki and Ayyappanpillai Ajayaghosh*

ChemNanoMat 2018, 4, 831. (Highlighted with a Cover Page and in ChemistryViews Magazine)  Full Text  

 

160. Hybrid Materials of 1D and 2D Carbon Allotropes and Synthetic p-Systems.

B. Vedhanarayanan, V. K. Praveen, G. Das and Ayyappanpillai Ajayaghosh*

NPG Asia Materials, 2018, 10, 107.  Full Text  

 

159. Stepwise Control of Host-Guest Interaction Using a Coordination Polymer Gel

R. D. Mukhopadhyay, G. Das and Ayyappanpillai Ajayaghosh*

Nature Communications, 2018, 9, 1987.​  Full Text  

 

158. Transforming a C3-Symmetrical Liquid Crystal to a p-Gelator by Alkoxy Chain Variation

A. Sandeep, V. K. Praveen, D. S. Shankar Rao, S. Krishna Prasad and Ayyappanpillai Ajayaghosh*

ACS Omega 2018, 3, 4392.  Full Text  

 

157. Self-Assembly of Bodipy-Derived Extended p-Systems

S. Cherumukkil, B. Vedhanarayanan, G. Das, V. K. Praveen and A. Ajayaghosh

Bull. Chem. Soc. Jpn. 2018, 91, 100. (Highlighted with an inside cover).  Full Text  

 

156. Photokinetic Study on Remarkable Excimer Phosphorescence from HeterolepticCyclometalated Platinum(II) Complexes Bearing a Benzoylated 2-Phenylpyridinate Ligand

N. Okamura, T. Maeda, H. Fujiwara, A. Soman, K. N. Narayanan Unni, A. Ajayaghosh S. Yagi

Phys. Chem. Chem. Phys. 2018, 20, 542.  Full Text  

 

155. pH-Controlled Nanoparticles Formation and Tracking of Lysosomal Zinc Ions in Cancer Cells by Fluorescent Carbazole-Bipyridine Conjugates

K. V. Sudheesh, M. M. Joseph, D. S. Philips, A. Samanta, K. K. Maiti and A. Ajayaghosh

ChemistrySelect 2018, 3, 2416.  Full Text  

 

154. Creation of 'Rose Petal' and 'Lotus Leaf' Effects on Alumina by Surface Functionalization and Metal Ion Coordination

R. D. Mukhopadhyay, B. Vedhanarayanan and A. Ajayaghosh

Angew. Chem., Int. Ed. 2017, 56, 16018.  Full Text  

 

153. An Unsymmetrical Squaraine Dye based Chemical Platform for Multiple Analyte Recognition

D. S. Philips, S. Ghosh, K. V. Sudheesh, C. H. Suresh and A. Ajayaghosh

Chem. -Eur. J. 2017, 23, 17973.  Full Text  

 

152. A Supramolecular Nanocomposite as Near Infrared Transmitting Optical Filter for Security and Forensic Applications

S. Ghosh, S. Cherumukkil, C. H. Suresh and A. Ajayaghosh

Adv. Mater. 2017, 29, 1703783.  Full Text  

151. Helix to Super-Helix Transition in p-Systems Self-assembly: Superseding of Molecular Chirality at Hierarchical Level

M. Hifsudheen, R. K. Mishra, B. Vedhanarayanan, V. K. Praveen and A. Ajayaghosh

Angew. Chem., Int. Ed. 2017, 56, 12634.  Full Text  

 

150. An Unprecedented Amplification of Near-Infrared Emission in a Bodipy Derived p-System by Stress or Gelation

S. Cherumukkil, S. Ghosh, V. K. Praveen and A. Ajayaghosh

Chem. Sci. 2017, 8, 5644.  Full Text  

 

149. A Ratiometric Near Infrared Fluorogen for the Real Time Visualization of Intracellular Redox Status during Apoptosis.

G. Saranya, P. Anees, M. M. Joseph, K. K. Maiti and A. Ajayaghosh

Chem. -Eur. J. 2017, 23, 7191.  Full Text  

 

148. Nanosheets of Organic Molecular Assembly from Aqueous Medium Exhibit High Solidstate Emission and Anisotropic Charge Carrier Mobility

S. Ghosh, D. S. Philips, A. Saeki and A. Ajayaghosh

Adv. Mater. 2017, 29, 1605408.  Full Text  

 

147. Exfoliation of Reduced Graphene Oxide with Self-assembled π-Gelators for ImprovedElectrochemical Performance.

B. Vedhanarayanan, B. Babu, M. M. Shaijumon and A. Ajayaghosh

ACS Applied Mater. Interfaces, 2017, 9, 19417.  Full Text  

 

146. A p-Gel Scaffold for Assembling Fullerene to Photoconducting Supramolecular Rods: Non Equilibrium Self-Assembly of C60 in a p-Gel

V. S. Nair, R. D. Mukhopadhyay, A. Saeki, S. Seki and A. Ajayaghosh

Science Advances 2016, 2, e1600142.  Full Text  

 

145. Conjugated Random Donor-Acceptor Copolymers of [1]Benzothieno[3,2-b]-benzothio-phene and Diketopyrrolopyrrole Units for High Performance Polymeric Semiconductor Applications

V. S. Nair, J. Sun, P. Qi, S. Yang, Z. Liu, D. Zhang and A. Ajayaghosh

Macromolecules 2016, 49, 6334. 145.  Full Text  

 

144. Formation of Coaxial Nanocables with Amplified Supramolecular Chirality through an Interaction between Carbon Nanotubes and a Chiral p-Gelator

B. Vedhanarayanan, V. S. Nair, V. C. Nair and A. Ajayaghosh

Angew. Chem., Int. Ed. 2016, 55, 10345.  Full Text  

 

143. A Protein-Dye Hybrid System as Narrow Range Tunable Intracellular pH Sensor

P. Anees, K. V. Sudheesh, P. Jayamurthy, A. R. Chandrika, R. V. Omkumar and A.Ajayaghosh

Chem. Sci. 2016, 7, 6808.  Full Text  

 

142. The Chemistry and Applications of p-Gels

S. Ghosh, V. K. Praveen and A. Ajayaghosh

Annu. Rev. Mater. Res. 2016, 46, 235.  Full Text  

 

141. Supercoiled Fibres of Self-Sorted Donor-Acceptor Stacks: A Turn-Off/Turn-On Platform for Sensing Volatile Aromatic Compounds

S. Anjamkudy, V. K. Praveen, K. K. Kartha, V. Karunakaran and A. Ajayaghosh

Chem. Sci. 2016, 7, 4460.  Full Text  

 

140. A Three-Photon Active Organic Fluorophore for Deep Tissue Ratiometric Imaging ofIntracellular Zn2+

D. S. Philips, S. Sreejith, T. He, N. V. Menon, P. Anees, J. Mathew, S. Sajikumar, Y. Kang, M.C. Stuparu, H. Sun, Y. Zhao and A. Ajayaghosh

Chem. -Asian J. 2016, 11, 1523.  Full Text  

 

139. Real Time Monitoring of Aminothiol Level in Blood Using a Near-Infrared Dye Assisted Deep Tissue Fluorescence and Photoacoustic Bimodal Imaging

P. Anees, J. Joseph, S. Sreejith, N. V. Menon, Y. Kang, S. W. K. Yu, A. Ajayaghosh and Y. Zhao

Chem. Sci. 2016, 7, 4110.  Full Text  

 

138. Color-Tunable Cyano-Substituted Divinylene Arene Luminogens as Fluorescent p-Gelators

F. Aparicio, S. Cherumukkil, A. Ajayaghosh and L. Sánchez

Langmuir 2016, 32, 284.  Full Text  

 

137. Light Driven Mesoscale Assembly of a Coordination Polymeric Gelator into Flowers and Stars with Distinct Properties

R. D. Mukhopadhyay, V. K. Praveen, A. Hazra, T. K. Maji and A. Ajayaghosh

Chem. Sci. 2015, 6, 6583.  Full Text  

 

136. Near-IR Squaraine Dye-Loaded Gated Periodic Mesoporous Organosilica for Photo-Oxidation of Phenol in a Continuous-Flow Device

P. Borah, S. Sreejith, P. Anees, N. V. Menon, Y. Kang, A. Ajayaghosh and Y. Zhao

Science Advances 2015, 1, e1500390.  Full Text  

 

135. Living supramolecular polymerization

R. D. Mukhopadhyay and A. Ajayaghosh

Science 2015, 349, 241.  Full Text  

 

134. Pyridyl-Amides as a Multimode Self-Assembly Driver for the Design of a Stimuli-Responsive π-Gelator

K. K. Kartha, V. K. Praveen, S. S. Babu, S. Cherumukkil and A. Ajayaghosh

Chem. -Asian J. 2015, 10, 2250.  Full Text  

 

133. Fluorescence Imaging Assisted Photodynamic Therapy Using Photosensitizer-Linked Gold Quantum Clusters

L. V. Nair, S. S. Nazeer, R. S. Jayasree and A. Ajayaghosh

ACS Nano 2015, 9, 5825.  Full Text  

 

132. Water as a Self-Erasable Security Marker on a Slippery Fluorescent Molecular Assembly

R. Thirumalai, R. D. Mukhopadhyay, V. K. Praveen and A. Ajayaghosh

Sci. Rep. 2015, 5, 9842.  Full Text  

 

131. Organic Donor-Acceptor Assemblies to Coaxial p–n Heterojunctions with High Photoconductivity

S. Prasanthkumar, S. Ghosh, V. C. Nair, A. Saeki, S. Seki and A. Ajayaghosh

Angew. Chem., Int. Ed. 2015, 54, 946.  Full Text  

130. Detection of Nitroaromatic Explosives with Fluorescent Molecular Assemblies and p-Gels

K. K. Kartha, A. Sandeep, V. K. Praveen and A. Ajayaghosh

Chem. Rec. 2015, 15, 252. Full Text  

 

129. Self-assembled Near Infrared Dye Nanoparticles as a Selective Protein Sensor by Activation of a Dormant Fluorophore

P. Anees, S. Sreejith and A. Ajayaghosh

J. Am. Chem. Soc. 2014, 136, 13233. Full Text   

 

128. A Carbazole–Fluorene Molecular Hybrid for Quantitative Detection of TNT Using a Combined Fluorescence and Quartz Crystal Microbalance Method

K. K. Kartha, A. Sandeep, V. C. Nair, M. Takeuchi and A. Ajayaghosh

Phys. Chem. Chem. Phys. 2014, 16, 18896. Full Text  

 

127. Photoresponsive Metal–Organic Materials: Exploiting the Azobenzene Switch

R. D. Mukhopadhyay, V. K. Praveen and A. Ajayaghosh

Mater. Horiz. 2014, 1, 572. Full Text  

 

126. A Ratiometric Fluorescent Molecular Probe with Enhanced Two-photon Response upon Zn2+ Binding for in vitro and in vivo Bioimaging

K. P. Divya, S. Sreejith, A. Pichandi, Y. Kang, Q. Peng, S. K. Maji, Y.Tong, H.Yu, Y. Zhao, P. Ramamurthy and A. Ajayaghosh

Chem. Sci. 2014, 5, 3469. Full Text  

 

125. Effect of the Bulkiness of End Functional Amide Groups on Optical, Gelation and Morphological Properties of Oligo(p-phenylenevinylene) p-Gelators

S. S. Babu, V. K. Praveen, K. K. Kartha, S. Mahesh and A. Ajayaghosh

Chem. -Asian J. 2014, 9, 1830. (Highlighted with a Cover Page). Full Text  

 

124. Aligned 1-D Nanorods of a p-Gelator Exhibit Molecular Orientation and Excitation Energy Transport Different from Entangled Fiber Networks

K. Sakakibara, P. Chithra, B. Das, T. Mori, M. Akada, J. Labuta, T. Tsuruoka, S. Maji, S.Furumi, L. K. Shrestha, J. P. Hill, S. Acharya, K. Ariga and A. Ajayaghosh

J. Am. Chem. Soc. 2014, 136, 8548. Full Text  

 

123. Cyclotriphosphazene Appended Porphyrins and Fulleropyrrolidine Complexes asSupramolecular Multiple Photosynthetic Reaction Centers: Steady and Excited StatesPhotophysical Investigation

V. S. Nair, Y. Pareek, V. Karunakaran, M. Ravikanth and A. Ajayaghosh

Phys. Chem. Chem. Phys. 2014, 16, 10149. Full Text  

 

122. Oligo(Phenylenevinylene) Hybrids and Self-Assemblies: Versatile Materials for Excitation Energy Transfer

V. K. Praveen, C. Ranjith, E. Bandini, A. Ajayaghosh and N. Armaroli

Chem. Soc. Rev., 2014, 43, 4222. Full Text  

 

121. A Fluorescent Molecular Probe for the Identification of Zinc and Cadmium Salts by Excited State Charge Transfer Modulation

K. P. Divya, S. Savithri and A. Ajayaghosh

Chem. Commun. 2014, 50, 6020. Full Text  

 

120. Electrochemically Synthesized Partially Reduced Graphene Oxide Modified Glassy Carbon Electrode for Individual and Simultaneous Voltammetric Determination of Ascorbic Acid, Dopamine and Uric Acid

P. K. Aneesh, S. R. Nambiar, P. Rao and A. Ajayaghosh

Anal. Methods 2014, 16, 8529. Full Text  

 

119. Electrochemical Synthesis of a Gold Atomic Cluster–Chitosan Nanocomposite Film Modified Gold Electrode for Ultra-Trace Determination of Mercury

P. K. Aneesh, S. R. Nambiar, T. P. Rao and A. AjayaghoshPhys. Chem. Chem. Phys. 2014, 16, 8529. Full Text  

 

118. Functional p-Gelators and Their Applications

S. S. Babu, V. K. Praveen and A. Ajayaghosh

Chem. Rev. 2014, 114, 1973. Full Text  

 

117. Ultrasound Stimulated Nucleation and Growth of Dye Assembly into Extended Gel Nanostructures

J. M. Malicka, A. Sandeep, F. Monti, E. Bandini, M. Gazzano, C. Ranjith, V. K. Praveen, A. Ajayaghosh and N. Armaroli

Chem. -Eur. J. 2013, 19, 12991. (Highlighted with a Cover Page). Full Text  

 

116. Luminescent and Conductive Supramolecular Polymers obtained from an N-Annulated Perylenedicarboxamide

F. Garcia, J. Buendia, S. Ghosh, A. Ajayaghosh and L. Sanchez

Chem. Commun. 2013, 49, 9278. Full Text  

 

115. Chain Folding Controlled by an Isomeric Repeat Unit: Helix Formation versus RandomAggregation in Acetylene-Bridged Carbazole–Bipyridine Co-Oligomers

K. P. Divya, S. Sreejith, C. H. Suresh, D. S. Philips and A. Ajayaghosh

Chem. -Asian. J. 2013, 8, 1579. Full Text  

 

114. A Near Infrared Fluorescent Nanosensor (AuC@Urease) for the Selective Detection of Blood Urea

L. V. Nair, D. S. Philips, R. S. Jayasree and A. Ajayaghosh

Small 2013, 9, 2673. Full Text  

113. Guided Supramolecular Polymerization of Oligo(p-phenylenevinylene) FunctionalizedBismelamines

M. Yamauchi, S. Kubota, T. Karatsu, A. Kitamura, A. Ajayaghosh and S. Yagai

Chem. Commun. 2013, 49, 4941. Full Text  

 

112. Supramolecular Gels and Functional Materials Research in India

K. K. Kartha, R. D. Mukhopadhyay and A. Ajayaghosh

CHIMIA 2013, 67, 51. Full Text  

 

111. Heteroaromatic Donors in Donor-Acceptor-Donor Based Fluorophores Facilitates Zinc Ion Sensing and Cell Imaging

S. Sreejith, K. P. Divya, P. Jayamurthy, J. Mathew, V. N. Anupama, D. S. Philips, P. Aneesand A. Ajayaghosh

Photochem. Photobiol. Sci. 2012, 11, 1715. Full Text  

 

110. Thermally Assisted Photonic Inversion of Supramolecular Handedness

A. Gopal, M. Hiffsudheen, S. Furumi, M. Takeuchi and A. Ajayaghosh

Angew. Chem. Int. Ed. 2012, 51, 10505. (Highlighted with a Cover Page) Full Text  

 

109. Key Role of Solvent Type in Organogelation

D. Dasgupta, A. Thierry, C. Rochas, A. Ajayaghosh and J. M. Guenet

Soft Matter. 2012, 8, 8714.​ Full Text  

 

108. Oligo(p-phenyleneethynylene) Derived Super p-Gelators with Tunable Emission and Self-assembled Polymorphic Structures

A. Gopal, R. Varghese and A. Ajayaghosh

Chem. -Asian. J. 2012, 7, 2061. (Highlighted with a Cover Page) Full Text  

 

107. Light-Induced Ostwald Ripening of Organic Nanodots to Rods

S. Mahesh, A, Gopal, R. Thirumalai and A. Ajayaghosh

J. Am. Chem. Soc. 2012, 134, 7227. Full Text  

 

106. Solvent-free Luminescent Organic Liquids

S. S. Babu, J. Aimi, H. Ozawa, N. Shirahata, A. Saeki, S. Seki, A. Ajayaghosh, H. Moehwaldand T. Nakanishi

Angew. Chem. Int. Ed. 2012, 51, 3391. Full Text  

 

105. Attogram Sensing of TNT with a Self-Assembled Molecular Gelator

K. K. Kartha, S. S. Babu, S. Srinivasan and A. Ajayaghosh

J. Am. Chem. Soc. 2012, 134, 4834.​ Full Text  

 

104. Synthesis and Properties of Amphiphilic Photoresponsive Gelators for Aromatic Solvents

R. Rajaganesh, A. Gopal, T. M. Das and A. Ajayaghosh

Org. Lett. 2012, 14, 748. Full Text  

 

103. Self-assembled Gelators for Organic Electronics

S. S. Babu, S. Prasanthkumar and A. Ajayaghosh

Angew. Chem. Int. Ed. 2012, 51, 1766. Full Text  

 

102. Molecular Logic Gates: Recent Advances and Perspectives

S. Sreejith and A. Ajayaghosh

Ind. J. Chem. 2012, 51A, 47. Full Text  

 

101. Solvent mediated Fiber Growth in Organogels

D. Dasgupta, S. Srinivasan, C. Rochas, A. Ajayaghosh and J. M. Guenet

Soft Matter 2011, 7, 9311. Full Text          

 

100. Insight into the Gelation Habit of Oligo(para-phenylenevinylene) Derivatives: Effect of End Functional Groups

D. Dasgupta, S. Srinivasan, C. Rochas, A. Thierry, A. Schroeder, A. Ajayaghosh and J. M.Guenet

Soft Matter. 2011, 7, 2797. Full Text  

 

99. Excitation Energy Migration in Oligo(p-phenylenevinylene) Based Organogels: Structure Property Relationship and FRET Efficiency

C. Vijayakumar, V. K.  Praveen and A.  Ajayaghosh

Phys. Chem. Chem. Phys. 2011, 13, 4942. Full Text  

98. Multiple Analyte Response and Molecular Logic Operations by Excited State Charge Transfer Modulation in a Bipyridine Integrated Fluorophore

S. Sreejith, K. P. Divya, T. K. Manojkumar and A. Ajayaghosh

Chem. -Asian J. 2011, 6, 430.​ Full Text  

 

97. Excited State Processes in Linear p-System-Based Organogels

S. S. Babu, K. K. Kartha and A. Ajayaghosh

J. Phys. Chem. Lett. 2010, 1, 3413. (Highlighted with a Cover Page) Full Text  

 

96. Conformational Control in a Bipyridine Linked p-Conjugated Oligomer: Cation Mediated Helix Unfolding and Refolding

K. P. Divya, S. Sreejith, C. H. Suresh and A. Ajayaghosh

Chem. Commun. 2010, 46, 8392. Full Text  

 

95. Self-Assembly of Thienylenevinylene Molecular Wires to Semiconducting Gels with Doped Metallic Conductivity

S. Prasanthkumar, A. Gopal and A. Ajayaghosh

J. Am. Chem. Soc. 2010, 132, 13206. Full Text  

 

94. A Zn2+-Specific Fluorescent Molecular Probe for the selective Detection of Endogenous Cyanide in Biorelevant Samples

K. P. Divya, S. Sreejith, B. Balakrishna, P. Jayamurthy, P. Anees and A. Ajayaghosh

Chem. Commun. 2010, 46, 6069.​ Full Text  

 

93. Rational Design of Nanofibers and Nanorings through Complementary H-Bonding Interaction of Functional p-Systems

S. Yagai, H. Aonuma, Y. Kikkawa, S. Kubota, T. Karatsu, A. Kitamura, S. Mahesh and A.Ajayaghosh

Chem. -Eur. J. 2010, 16, 8652.​ Full Text  

 

92. Solution Phase Epitaxial Self-assembly and High Charge Carrier Mobility Nanofibers of Semiconducting Molecular Gelators

S. Prasanthkumar, A. Saeki, S. Seki and A. Ajayaghosh

J. Am. Chem. Soc. 2010, 132, 8866. Full Text  

 

91. A Complementary Guest Induced Morphology Transition in a Two-component Multiple H-bonding Self-assembly

T. Tazawa, S. Yagai, Y. Kikkawa, T. Karatsu, A. Kitamura and A. Ajayaghosh

Chem. Commun. 2010, 46, 1076. Full Text  

 

90. Role of Complementary H-Bonding Interaction of a Cyanurate in the Self-assembly and Gelation of Melamine Linked Tri(p-phenyleneethynylene)

S. Mahesh, R. Thirumalai, S. Yagai, A. Kitamura and A. Ajayaghosh

Chem. Commun. 2009, 5984. (Highlighted with a Cover Page) Full Text  

 

89. Reversible Self-assembly of Entrapped Fluorescent Gelators in Polymerized Styrene   Gel Matrix: Erasable Thermal Imaging via Recreation of Supramolecular Architectures

S. Srinivasan, P. A. Babu, S. Mahesh and A. Ajayaghosh

J. Am. Chem. Soc. 2009, 131, 15122. Full Text  

 

88. Anisotropic Self-Assembly of Photoluminescent Oligo(p-phenylenevinylene) Derivatives in Liquid Crystals: An Effective Strategy for the Macroscopic Alignment of p-Gels

Y. Hirai, S. S. Babu, V. K. Praveen, T. Yasuda, A. Ajayaghosh and T. Kato

Adv. Mater. 2009, 21, 4029. (Highlighted with a Cover Page) Full Text  

 

87. Hybrid Thermoreversible Gels from Covalent Polymers and Organogels

D. Dasgupta, S. Srinivasan, C. Rochas, A. Ajayaghosh and J. M. Guenet

Langmuir 2009, 25, 8593. Full Text  

 

86. Probing the Initial Stages of Molecular Organization of Oligo(p-phenylenevinylene) Assemblies with Monolayer Protected Gold Nanoparticles

V. R. R. Kumar, V. Sajini, T. S. Sreeprasad, V. K. Praveen, A. Ajayaghosh and T. Pradeep

Chem. -Asian J. 2009, 4, 840. (Highlighted with a Frontispiece) Full Text         

 

85. Solvent-Directed Self-Assembly of p Gelators to Hierarchical Macroporous Structures and Aligned Fiber Bundles

S. S. Babu, S. Mahesh, K. K. Kartha and A. Ajayaghosh

Chem. -Asian J. 2009, 4, 824. Full Text  

84. RGB Emission through Controlled Donor Self-Assembly and Modulation of Excitation   Energy Transfer: A Novel Strategy to White-Light- Emitting Organogels

C. Vijayakumar, V. K. Praveen and A. Ajayaghosh

Adv. Mater. 2009, 21, 2059. Full Text  

 

83. Reversible Transformation between Rings and Coils in a Dynamic Hydrogen-Bonded   Self-Assembly

S. Yagai, S. Kubota, H. Saito, K. Unoike, T. Karatsu, A. Kitamura, A. Ajayaghosh, M. Kanesato and Y. Kikkawa

J. Am. Chem. Soc. 2009, 131, 5408. Full Text  

 

82. Noncovalent Macromolecular Architectures of Oligo(p-phenylenevinylene)s (OPVs). Role of End Functional Groups on the gelation of Organic Solvents

S. S. Babu, V. K. Praveen and A. Ajayaghosh

Macromol. Symp. 2008, 273, 25. Full Text  

 

81. Helical Supramolecular Architectures of  Self-assembled Linear p-Systems

V. K. Praveen, S. S. Babu, C. Vijayakumar, R. Varghese and A. Ajayaghosh

Bull. Chem. Soc. Jpn. 2008, 81, 1196. (Highlighted with a Cover Page) Full Text  

 

80. Self-Assembly of Oligo(para-phenylenevinylene)s through Arene-Perfluoro Interactions: p Gels with Longitudinally Controlled Fiber Growth and Supramolecular Exciplex-Mediated Enhanced Emission

S. S. Babu, V. K. Praveen, S. Prasanthkumar and A. Ajayaghosh

Chem. -Eur. J. 2008, 14, 9577. Full Text  

 

79. A Near-Infrared Squaraine Dye as a Latent Ratiometric Fluorophore for the     Detection of Aminothiol Content in Blood Plasma

S. Sreejith, K. P. Divya and A. Ajayaghosh

Angew. Chem. Int. Ed. 2008, 47, 7883. Full Text  

78. Solvent Induced Aggregation and Cation Controlled Self-assembly of Tripodal Squaraine Dyes:  Optical, Chiroptical and Morphological Properties

P. Chithra, R. Varghese, K. P. Divya and A.  Ajayaghosh

Chem. -Asian. J. 2008, 3, 1365. Full Text  

 

77. Bioinspired Superhydrophobic Coatings of Carbon Nanotubes and Linear p-Systems   Based on the “Bottom-up” Self-Assembly Approach

S. Srinivasan, V. K. Praveen, R. Philip and A.  Ajayaghosh

Angew. Chem., Int. Ed. 2008, 47, 5750. (Highlighted with a Cover Page). Full Text  

 

76. Carbon Nanotube Triggered Self-Assembly of Oligo (p-phenylenevinylene)s to Stable Hybrid p-Gels

S. Srinivasan, S.S. Babu, V. K. Praveen and A. Ajayaghosh

Angew. Chem., Int. Ed. 2008, 47, 5746. Full Text  

 

75. Toroidal Nanoobjects from Supramolecular Rosette Assemblies of Melamine-Linked Oligo(p-Phenyleneethynylene) and Cyanurates

S. Yagai, S. Mahesh, Y. Kikkawa, K. Unoike, T. Karatsu, A. Kitamura and A. Ajayaghosh

 Angew. Chem., Int. Ed. 2008, 47, 4691. (Highlighted with a Cover Page). Full Text  

 

74. Detection of Zinc Ion under Aqueous Conditions using Chirality Assisted Solid-State Fluoresence of Bipyridyl Based Fluorophore

S. Sreejith, K.P. Divya and A. Ajayaghosh

Chem. Commun. 2008, 2903. Full Text  

 

73. Controlled Self-Assembly of Squaraines to 1D Supramolecular Architectures with   High Molar Absorptivity

A. Ajayaghosh, P. Chithra, R. Varghese and K. P. Divya 

Chem. Commun. 2008, 969. Full Text  

 

72. Squaraine Dyes: A Mine of Molecular Materials

S. Sreejith, P. Carol, P. Chithra and A. Ajayaghosh

J. Mater. Chem. 2008, 18, 264. Full Text  

 

71. Organogels as Scaffolds for Excitation Energy Transfer and Light Harvesting
A. Ajayaghosh, V.  K.  Praveen and C. Vijayakumar 
Chem. Soc. Rev. 2008, 37, 109. Full Text  

 

70. Molecular Wire Encapsulated p-Organogels: Efficient Supramolecular Light      Harvesting Antennae with Color Tunable Emission

A. Ajayaghosh, V. K. Praveen, C. Vijayakumar and S. J. George

Angew. Chem., Int. Ed. 2007, 46, 6260. (Highlighted with a Frontispiece) Full Text    

 

69. p-Organogels of Self-Assembled p-Phenylenevinylenes: Soft Materials with Distinct    Size, Shape, and Functions

A. Ajayaghosh and V. K. Praveen

Acc. Chem. Res. 2007, 40,644. (Highlighted with a Cover Page) Full Text  

 

68. Synthesis, Photophysical, and Electroluminescent Properties of Arylenevinylenes-co-pyrrolenevinylenes Derived from Divinylaryl Bridged Bispyrroles

A. K. Biswas, A. Ashish, A. K. Tripathi, Y. N. Mohapatra and A. Ajayaghosh

Macromolecules 2007, 40, 2657. Full Text  

 

67. Metallo Supramolecular Assemblies of Bis-squaraines by Allosteric Ca2+ Ion Binding

S. Yagi, Y. Hyodo, M. Hirose, H. Nakazumi, Y. Sakurai, A. Ajayaghosh

Org. Lett. 2007, 9, 1999. Full Text  

 

66. Self-Assembled Hybrid Oligo(p-Phenylenevinylene)–Gold Nanoparticle Tapes

J. van Herrikhuyzen, S. J. George, M. R. J. Vos, N. A. J. M. Sommerdijk, A. Ajayaghosh, S. C. J. Meskers and A. P. H. J. Schenning

Angew. Chem., Int. Ed. 2007, 46, 1825. Full Text  

 

65. Ratiometric and Near-Infrared Molecular Probes for the Detection and Imaging of Zinc Ions

P. Carol, S. Sreejith and A. Ajayaghosh  

Chem. -Asian. J. 2007, 2, 338. (Highlighted with a Frontispiece)  Full Text         

 

64. Quadrupolar p-Gels: Sol-Gel Tunable Red-Green-Blue (RGB) Emission in Donor-Acceptor Type Oligo(p-Phenylenevinylene)s

A. Ajayaghosh, V. K. Praveen, S. Srinivasan and R. Varghese

Adv. Mater. 2007, 19, 411. Full Text  

 

63. Self-Assembly of Tripodal Squaraines: Cation Assisted Expression of Molecular Chirality and Change from Spherical to Helical Morphology

A. Ajayaghosh, P. Chithra and R. Varghese

Angew. Chem., Int. Ed. 2007, 46, 230. Full Text  

 

62. From Vesicles to Helical Nanotubes: A “Sergeant And Soldiers” Effect in the Self-Assembly of Oligo(p-Phenyleneethynylene)s

A. Ajayaghosh, R. Varghese, S. Mahesh and V. K. PraveenAngew. Chem., Int. Ed. 2006, 45, 7729. Full Text  

 

61. Self-Assembled p-Nanotapes as Donor Scaffolds for Selective and Thermally Gated Fluorescence Resonance Energy Transfer (FRET)

V. K. Praveen, S. J. George, R. Varghese, C. Vijayakumar and A. Ajayaghosh

J. Am. Chem. Soc. 2006, 128, 7542. Full Text  

 

60. Self-Location of Acceptors as “Isolated” Or “Stacked” Energy Traps in A Supramolecular Donor Self-Assembly: A Strategy to Wavelength Tunable FRET Emission

A. Ajayaghosh, C. Vijayakumar, V. K. Praveen, S. S. Babu and R. Varghese

J. Am. Chem. Soc. 2006, 128, 7174. Full Text  

 

59. Self-Assembled Fibrillar Networks of Oligo(p-Phenylenevinylene) based Organogelators

V. K. Praveen, S. J. George and A. Ajayaghosh

Macromol. Symp. 2006, 241, 1. Full Text  

 

58. Evolution of Nano-To-Microsized Spherical Assemblies to Superstructured       Organogels of a Short Oligo(p-Phenyleneethynylene)

A. Ajayaghosh, R. Varghese, V. K. Praveen and S. Mahesh

Angew. Chem. Int. Ed. 2006, 45, 3261. Full Text  

 

57. Electrical Transport Measurements on Self-Assembled Organic Molecular Wires

M. Durkut, M. Mas-Torrent, P. Hadley, P. Jonkheijm, A. P. H. J. Schenning, E. W. Meijer, S. J.

Goerge and A. Ajayaghosh

J. Chem. Phys. 2006, 124, 154704. Full Text  

56. Transcription and Amplification of Molecular Chirality to Oppositely Biased    Supramolecular p-Helices

A. Ajayaghosh, R. Varghese, S. J. George and C. Vijayakumar

Angew. Chem., Int. Ed. 2006, 45, 1141. (Highlighted with a Cover Page) Full Text  

 

55. Cholesterol Aided Supramolecular Control on Chromophore Packing: Twisted and      Coiled Helices with Distinct Optical, Chiroptical and Morphological Features

A. Ajayaghosh, C. Vijayakumar, R. Varghese and S. J. George

Angew. Chem., Int. Ed. 2006, 45, 456 (VIP). Full Text  

 

54. A Ratiometric Fluorescence Probe for Selective Visual Sensing of Zn2+

A. Ajayaghosh, P. Carol and S. Sreejith

J. Am. Chem. Soc. 2005, 127, 14962. Full Text  

 

53. 1H NMR Spectral Evidence for a Specific Host-Guest Complexation Induced Charge     Localization in Squaraine Dyes

A. Ajayaghosh and E. Arunkumar

Org. Lett. 2005, 7, 3135. Full Text  

 

52. Chemistry of Squaraine Derived Materials: Near-IR Dyes, Low Band Gap Systems   and Cation Sensors

A. Ajayaghosh

Acc. Chem. Res. 2005, 38, 449. Full Text  

 

51.Self-Assembled Nanotapes of Oligo(p-phenylenevinylenes)s: Sol-Gel Controlled     Optical Properties in Fluorescent p-Electronic Gels

S. J. George and A. Ajayaghosh

Chem. -Eur. J. 2005, 11, 3217. (Highlighted with a Cover Page) Full Text  

 

50. Selective Calcium Ion Sensing with a Bichromophoric Squaraine Foldamer

E. Arunkumar, A. Ajayaghosh and J. Daub

J. Am. Chem. Soc. 2005, 127, 3156. Full Text  

 

49. Anion Induced Modulation of Self-Assembly and Optical Properties in Urea End-Capped Oligo(p-Phenylenevinylene)s

R. Varghese, S. J. George and A. Ajayaghosh

Chem. Commun. 2005, 593. Full Text  

 

48. Proton Controlled Intramolecular Photoinduced Electron Transfer (PET) in Podand   Linked Squaraine-Aniline Dyads

E. Arunkumar and A. Ajayaghosh

Chem. Commun. 2005, 599. Full Text  

 

47. Coiled-Coil Gel Nanostructures of Oligo(p-phenylenevinylene)s: Gelation Induced Helix Transition in a Higher Order Supramolecular Self-Assembly of a Rigid p- Conjugated System

S. J. George, A. Ajayaghosh, P. Jonkheijm, A. P. H. J. Schenning and E. W. Meijer  

Angew. Chem., Int. Ed. 2004, 43, 3421. (Highlighted with a Frontispiece) Full Text  

 

46. A Controlled Supramolecular Approach Towards Cation Specific Chemosensors: Alkaline Earth Metal Ion-driven Exciton Signaling in Squaraine Tethered Podands

E. Arunkumar, P. Chithra and A. Ajayaghosh

J. Am. Chem. Soc. 2004, 126, 6590. Full Text  

45. Redox-switchable squaraines with extended conjugation

M. Büeschel, A. Ajayaghosh, E. Arunkumar and J. Daub

Org. Lett. 2003, 5, 2975. Full Text  

 

44. Donor-acceptor type low band gap polymers: Polysquaraines and related systems

A. Ajayaghosh

Chem. Soc. Rev. 2003, 32, 181. Full Text  

 

43. Intrinsically conducting low band gap polysquaraines via A-B type polycondensation

A. Ajayaghosh

Int. J. Plastics Tech. 2003, 6, 117. Full Text  

 

42. Gelation Assisted Light Harvesting via Selective Energy Transfer from Oligo(p-      phenylenevinylene)-Based Self-Assembly to an Organic Dye

A. Ajayaghosh, S. J. George and V. K. Praveen

Angew. Chem., Int. Ed. 2003, 42, 332Full Text  

 

41. Controlling the Growth of Conjugated Polymers on Electrode Surface: Synthesis, Electropolymerization and Spectroelectrochemistry of Conjugated Bispyrroles

M. Büeschel, A. Ajayaghosh, J. Eldo and J. Daub

Macromolecules 2002, 35, 8405. Full Text  

40. A Highly Specific Ca2+ Sensor.  Signaling via Exciton Interaction in a Rigid-Flexible-Rigid Bichromophoric ‘H’-Foldamer

A. Ajayaghosh, E. Arunkumar and J. Daub

Angew. Chem., Int. Ed. 2002, 41, 1766. Full Text  

 

39. New Low Band Gap Polymers. Control of Optical and Electronic Properties in Near Infrared Absorbing p-Conjugated Polysquaraines

J. Eldo and A. Ajayaghosh

Chem. Mater. 2002, 14, 410. Full Text  

 

38. Organo-Based Materials for Photonic Applications,

S. Das, A. Ajayaghosh, K. R. Gopidas, D. Ramaiah, and K. George Thomas

Metals Materials and Processes 2001, 13, 351. Full Text  

 

37. A Novel Approach Towards Low Optical Band Gap Polysquaraines

A. Ajayaghosh and J. Eldo

Org. Lett. 2001, 3, 2595. Full Text  

 

36. First Phenylenevinylene Based Organogels. Self-Assembled Nanostructures via Cooperative Hydrogen Bonding and p-Stacking

A. Ajayaghosh and S. J. George

J. Am. Chem. Soc. 2001, 123, 5148. Full Text  

 

35. Fluorescent Bispyrroles. New Building Blocks for Novel p-Conjugated Polymers

J. Eldo, E. Arunkumar and A. Ajayaghosh

Tetrahedron Lett. 2000, 41, 6241. Full Text  

 

34. Signaling and Expression of Electronic Effects by Dihydroazulene-Vinylheptafulvene Photochromism

J. Daub, T. Mrozek and A. Ajayaghosh

Mol. Cryst. Liq. Cryst. 2000, 344, 41. Full Text  

 

33. Minimization of homopolymer Formation and Control of Dispersity in Free Radical Induced Graft Polymerization Using Xanthate Derived Macro-photoinitiators

R. Francis and A. Ajayaghosh

Macromolecules 2000, 33, 4699. Full Text  

 

32. Squaraine Dye Based Molecular Wires Containing Flexible Oxyethylene Chains as Sensors. Enhanced Fluorescence Response on Li+ Recognition

C. R. Chenthamarakshan, J. Eldo and A. Ajayaghosh

Macromolecules 1999, 32, 5846. Full Text  

 

31. A Xanthate Derived Photoinitiator that Recognizes and Controls the Photoinitiated Free Radical Polymerization Pathways of Methyl Methacrylate and Styrene

A. Ajayaghosh and R. Francis

J. Am. Chem. Soc. 1999, 121, 6599. Full Text  

 

30. Synthesis and Properties of Alternate Acceptor-Donor Copolymers of Squaric Acid with 1-Dodecyl- and 3-Dodecylpyrroles

C. R. Chenthamarakshan, J. Eldo and A. Ajayaghosh

Macromolecules 1999, 32, 251. Full Text  

 

29. Synthesis and Properties of Water Soluble Squaraine Oligomers Containing Pendant Propane Sulfonate Moieties

C. R. Chenthamarakshan and A. Ajayaghosh

Chem. Mater. 1998, 10, 1657. Full Text  

 

27. Narrow Polydispersed Reactive Polymers by a Photoinitiated Free Radical Polymerization Approach. Controlled Polymerization of Methyl Methacrylate

A. Ajayaghosh and R. Francis

Macromolecules 1998, 31, 1436. Full Text  

 

26. Enhanced Sensitivity and Selectivity in Metal Ion Recognition Property of an Oligosquaraine Dye Based Fluorescent Sensor

C. R. Chenthamarakshan and A. Ajayaghosh

Tetrahedron Lett. 1998, 39, 1795. Full Text  

 

25. Zwitterionic Dye-Based Conducting Polymers. Synthesis and Optical Properties of Pyrrole-Derived Polysquaraines

 A. Ajayaghosh, C. R. Chenthamarakshan, S. Das and M. V: George,

 Chem. Mater. 1997, 9, 644. Full Text  

 

24. Photo-Triggered Selective C-Terminal N-Methylamidative Cleavage of Polyethyleneglycol-Bound Peptides

A. Ajayaghosh and V. N. R. Pillai

Tetrahedron Lett. 1996, 37, 6421. Full Text  

 

23. Thermal and Acid-catalysed Reaction of Bifunctional Vinyl Ether Urethane in Nonionic and Ionic Polymer Matrices

Z. Chen, A. Ajayaghosh, T. Yamaoka and M. Sukigara

Polym. Adv. Technol. 1995, 6, 733. Full Text  

 

22. Photophysical and Photoelectrochemical Behavior of Poly(styrene-co-(acrylamido)-6-aminoacridine)

S. Das, C. S. Rajesh, C. H. Suresh, K. G. Thomas, A. Ajayaghosh, C. Nasr, P. V. Kamat and M. V. George

Macromolecules 1995, 28, 4249. Full Text  

 

21. Macrophotoinitiator Containing Pendant Xanthate Chromophore. Photopolymerization of Methyl Methacrylate and Evaluation of Kinetic Parameters

A. Ajayaghosh

Polymer 1995, 36, 2049. Full Text  

 

20. Synthesis, Characterization and Copolymerization Behaviour of S-Methacryloyl O-Ethyl Xanthate

R. Francis and A. Ajayaghosh

Polymer 1995, 36, 1091. Full Text  

 

19. Phototransformation of Di-O-Ethyl S,S-Terepthaloyl Dixanthate and Terepthaloic       Bis(piperidinedithiocarbamic anhydride)

M. Muneer, A. Ajayaghosh, S. Das and M. V. George,

J. Photochem. Photobiol. A: Chem. 1995, 86, 155. Full Text  

 

18. Solid-Phase Synthesis and C-Terminal Amidation of Peptides using a Photolytically Cleavable o-Nitrobenzhydrylamino-polystyrene Support   

A. Ajayaghosh and V. N. R. Pillai

Tetrahedron Lett. 1995, 36, 777. Full Text  

 

17. Photoresists Based on a Novel Photorearrangement of o-Nitrobenzylic Polymers

A. Ajayaghosh, M. V. George and T. Yamaoka

J. Mater. Chem. 1994, 4, 1769. Full Text  

 

16. Novel Phototransformation of o-Nitrobenzylic Polymers to Azopolymers,

A. Ajayaghosh, S. C. George and M. V. George

J. Chem. Soc. Chem. Commun. 1994, 423. Full Text  

 

15. Synthesis and Photocrosslinking Studies of Some Copolymers of S-Acryloyl O- Ethyl Xanthate

A. Ajayaghosh, S. Das, P. V. Kamat, P. K. Das and M. V. George

Polymer, 1993, 34, 3605. Full Text  

 

14. Photo-induced Graft Copolymerization of Methyl Methacrylate onto Cellulose Containing Benzoyl Xanthate Chromophore

G. John, C. K. S. Pillai and A. Ajayaghosh

Polym. Bull. 1993, 30, 415. Full Text  

 

13. A New Photodegradable Polyamide Containing o-Nitrobenzyl Chromophore. Steady State and Laser Flash Photolysis Studies

T. Mathew, A. Ajayaghosh, S. Das, P. V. Kamat and M. V. George 

 J. Photochem. Photobiol. A: Chem. 1993, 71, 181. Full Text  

 

12. S-Benzoyl O-Ethyl Xanthate as a New Photoinitiator: Photopolymerization and Laser Flash Photolysis Studies

A. Ajayaghosh, S. Das and M. V. George

J. Polym. Sci. Polym. Chem. 1993, 31, 653. Full Text  

 

11. Polymer-Bound S-Benzoyl O-Ethyl Xanthate. A New Heterogeneous Photoinitiator

A. Ajayaghosh, R. Francis and S. Das

Eur. Polym. J. 1993, 29, 63. Full Text  

 

10. Photophysics and Photochemistry of Squaraine Dyes: 3. Excited State Properties and Poly (4-vinylpyridine)-induced Fluorescence Enhancement of Bis(2,4,6 trihydroxyphenyl)squaraine

S. Das, P. V. Kamat, B. De la Barre, K. George Thomas, A. Ajayaghosh and M. V. George

J. Phys. Chem. 1992, 96, 10327. Full Text  

 

9. Photografting of Acrylic Monomers on Polystyrene Support

 A. Ajayaghosh, and S. Das

J. Appl. Polym. Sci. 1992, 45, 1617. Full Text  

 

8. Laser Flash Photolysis Studies of Aroyl Xanthates and Carboxylic Dithiocarbamic Anhydrides

D. Weir, A. Ajayaghosh, M. Muneer and M. V. George

J. Photochem. Photobiol. A: Chem. 1990, 52, 425. Full Text  

 

7. Solid-Phase Synthesis of N-Methyl and N-Ethylamides of Peptides Using photolytically Detachable 3-Nitro-4-N-alkylaminomethylbenzamidomethyl Polystyrene Resin

A. Ajayaghosh and V. N. R. Pillai

J. Org. Chem. 1990, 55, 2826. Full Text  

 

6. Polymer-Supported Synthesis of Protected Peptide Segments on a Photosensitive o-Nitro(alpha-methyl)bromobenzyl Resin

A. Ajayaghosh and V. N. R. Pillai

Tetrahedron 1988, 44, 6661. Full Text  

 

5. 2'-Nitrobenzhydryl Polystrene Resin. A New Photolabile Polymeric Support for Carboxyl Protection in Amino Acids

 A. Ajayaghosh and V. N. R. Pillai

Nat. Acad. Sci. Letters, India 1988, 11, 149. Full Text  

 

4. Polymer-Supported Solid-Phase Synthesis of C-Terminal Peptide N-Methylamides Using a Modified Photoremovable 3-Nitro-4-N-methylaminomethylpolystyrene Support

A. Ajayaghosh and V. N. R. Pillai

Ind. J. Chem. 1988, 27B, 1004. Full Text  

 

3. Solid-Phase Synthesis of C-Terminal Peptide Amides Using a Photoremovable alpha-Methylphenacylamido Anchoring Linkage

A. Ajayaghosh and V. N. R. Pillai

Proc. Ind. Acad. Sci. (Chem.Sci.) 1988, 100, 389. Full Text  

 

2. 2'-Nitrobenzhydryl Polystyrene Resin. A New Photosensitive Polymeric Support for Peptide Synthesis

A. Ajayaghosh and V. N. R. Pillai

J. Org. Chem. 1987, 52, 5714. Full Text  

 

1. Polymer-Bound Mixed Carboxylic Dithiocarbamic Anhydrides. A New Class of Selective and Recyclable Solid-Phase Acylating Reagents

V. K. Haridasan, A. Ajayaghosh and V. N. R. Pillai

 J. Org. Chem. 1987, 52, 2662. Full Text  

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