2026 Ayyappanpillai Ajayaghosh: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	74	3614	3495	33	31	221	20668
Chemistry	75	4428	4025	40	40	229	20913

Research.com Recognitions

2025 - Research.com Chemistry in India Leader Award
2022 - Research.com Chemistry in India Leader Award
2015 - Fellow, The World Academy of Sciences

Overview

Ayyappanpillai Ajayaghosh is affiliated with the CSIR - National Institute for Interdisciplinary Science and Technology in India. Their research primarily focuses on the field of Materials Science, with significant contributions in Materials Chemistry, Biomaterials, Electrical and Electronic Engineering, Polymers and Plastics, and Organic Chemistry.

The main topics covered in their work include:

Luminescence and Fluorescent Materials
Supramolecular Self-Assembly in Materials
Polydiacetylene-based materials and applications
Porphyrin and Phthalocyanine Chemistry
Photochromic and Fluorescence Chemistry
Conducting polymers and applications
Organic Electronics and Photovoltaics

Among their recent publications are:

Self-Assembled Extended π-Systems for Sensing and Security Applications, 2020, Accounts of Chemical Research
Diketopyrrolopyrrole-based functional supramolecular polymers: next-generation materials for optoelectronic applications, 2020, Materials Today Chemistry
Tweaking a BODIPY Spherical Self-Assembly to 2D Supramolecular Polymers Facilitates Excited-State Cascade Energy Transfer, 2021, Angewandte Chemie International Edition
Indoor light-harvesting dye-sensitized solar cells surpassing 30% efficiency without co-sensitizers, 2021, Materials Advances
Amplified Spontaneous Emission from Zwitterionic Excited-State Intramolecular Proton Transfer, 2022, Journal of the American Chemical Society

Frequent co-authors collaborating with Ayyappanpillai Ajayaghosh include:

Sreejith Shankar
Venugopal Karunakaran
Satyajit Das
Vakayil K. Praveen
Takeshi Maeda

Their work appears regularly in notable publication venues such as:

Angewandte Chemie International Edition
Angewandte Chemie
Chemistry - An Asian Journal
The Cambridge Structural Database
ACS Applied Materials & Interfaces

Ayyappanpillai Ajayaghosh was awarded the title of Fellow by The World Academy of Sciences in 2015.

Best Publications

Functional π-Gelators and Their Applications

Sukumaran Santhosh Babu;Vakayil K. Praveen;Ayyappanpillai Ajayaghosh

1761
Citations
π-Organogels of Self-Assembled p-Phenylenevinylenes: Soft Materials with Distinct Size, Shape, and Functions

Ayyappanpillai Ajayaghosh;Vakayil K. Praveen

913
Citations
Organogels as scaffolds for excitation energy transfer and light harvesting

Ayyappanpillai Ajayaghosh;Vakayil K. Praveen;Chakkooth Vijayakumar

804
Citations
Donor–acceptor type low band gap polymers: polysquaraines and related systems

Ayyappanpillai Ajayaghosh

572
Citations
Self-assembled gelators for organic electronics.

Sukumaran Santhosh Babu;Seelam Prasanthkumar;Ayyappanpillai Ajayaghosh

542
Citations
Attogram Sensing of Trinitrotoluene with a Self-Assembled Molecular Gelator

Kalathil K. Kartha;Sukumaran S. Babu;Sampath Srinivasan;Ayyappanpillai Ajayaghosh

518
Citations
Chemistry of squaraine-derived materials: near-IR dyes, low band gap systems, and cation sensors.

Ayyappanpillai Ajayaghosh

492
Citations
A Ratiometric Fluorescence Probe for Selective Visual Sensing of Zn2

Ayyappanpillai Ajayaghosh;Priya Carol;Sivaramapanicker Sreejith

471
Citations
Squaraine dyes: a mine of molecular materials

Sivaramapanicker Sreejith;Priya Carol;Priya Carol;Parayalil Chithra;Ayyappanpillai Ajayaghosh

448
Citations
First phenylenevinylene based organogels: self-assembled nanostructures via cooperative hydrogen bonding and π-stacking

A. Ajayaghosh;Subi J. George

413
Citations
Molecular Wire Encapsulated into π Organogels: Efficient Supramolecular Light‐Harvesting Antennae with Color‐Tunable Emission

Ayyappanpillai Ajayaghosh;Vakayil K. Praveen;Chakkooth Vijayakumar;Subi J. George;Subi J. George

319
Citations
A Near‐Infrared Squaraine Dye as a Latent Ratiometric Fluorophore for the Detection of Aminothiol Content in Blood Plasma

Sivaramapanicker Sreejith;Kizhumuri P. Divya;Ayyappanpillai Ajayaghosh

296
Citations
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

Subi J. George;Ayyappanpillai Ajayaghosh;Pascal Jonkheijm;Albertus P. H. J. Schenning

285
Citations
RGB Emission through Controlled Donor Self‐Assembly and Modulation of Excitation Energy Transfer: A Novel Strategy to White‐Light‐Emitting Organogels

Chakkooth Vijayakumar;Vakayil K. Praveen;Ayyappanpillai Ajayaghosh

283
Citations
Self‐Assembled Nanotapes of Oligo(p‐phenylene vinylene)s: Sol–Gel‐Controlled Optical Properties in Fluorescent π‐Electronic Gels

Subi J. George;Ayyappanpillai Ajayaghosh

249
Citations
Gelation‐Assisted Light Harvesting by Selective Energy Transfer from an Oligo(p‐phenylenevinylene)‐Based Self‐Assembly to an Organic Dye

Ayyappanpillai Ajayaghosh;Subi J. George;Vakayil K. Praveen

247
Citations
Ratiometric and near-infrared molecular probes for the detection and imaging of zinc ions.

Priya Carol;Sivaramapanicker Sreejith;Ayyappanpillai Ajayaghosh

246
Citations
Cholesterol‐Aided Supramolecular Control over Chromophore Packing: Twisted and Coiled Helices with Distinct Optical, Chiroptical, and Morphological Features

Ayyappanpillai Ajayaghosh;Chakkooth Vijayakumar;Reji Varghese;Subi Jacob George

241
Citations
From Vesicles to Helical Nanotubes: A Sergeant-and-Soldiers Effect in the Self-Assembly of Oligo(p-phenyleneethynylene)s†

Ayyappanpillai Ajayaghosh;Reji Varghese;Sankarapillai Mahesh;Vakayil K. Praveen

234
Citations
Selective Calcium Ion Sensing with a Bichromophoric Squaraine Foldamer

Easwaran Arunkumar;Ayyappanpillai Ajayaghosh;Jörg Daub

226
Citations