Phenoxazine-based ambipolar luminescent room-temperature liquid crystals capable of being used in bioimaging applications

Rahul Ahmed, Anjana K. N, Vinay S. Sharma, Shweta Thakar, Anitha B, Paresh Kumar Behera, Dharmendra Adak, D. S. Shankar Rao, Manoj AG Namboothiry and Ammathnadu Sudhakar Achalkumar

J. Mater. Chem. B, 2025, 13, 6351
DOI: 10.1039/D5TB00207A

Unsymmetrical S-annulated perylene diester imide, stabilizing room temperature columnar phase as a dopant for greenish-yellow OLEDs with an outstanding EQE of 6.9%

Paresh Kumar Behera, Sushanta Lenka, Feng-Rong Chen, Mrinmoy Roy, Lu Chun-Chang, Chang-Hua Liu, Jwo-Huei Jou and Ammathnadu Sudhakar Achalkumar

Nanoscale, 2025, 17, 13219
DOI: 10.1039/D5NR00588D

First example of ambipolar naphthalene diimide exhibiting a room temperature columnar phase

Paresh Kumar Behera, Kajal Yadav, Nandan Kumar, Ravindra Kumar Gupta, D. S. Shankar Rao, Upendra Kumar Pandey and Ammathnadu Sudhakar Achalkumar

Chem. Commun., 2023, 59, 6028
DOI: 10.1039/D3CC00321C

Highly fluorescent room temperature liquid crystalline S-annulated swallow tail perylene bisimide exhibiting enhanced electroluminescence (EQE > 11%)

Paresh Kumar Behera, Sushanta Lenka, Feng-Rong Chen, Prakalp Gautam, Iram Siddiqui, D. S. Shankar Rao, Jwo-Huei Jou and Ammathnadu Sudhakar Achalkumar

J. Mater. Chem. C, 2024, 12, 6893
DOI: 10.1039/D3TC04407F

A novel approach to construct a calix[4]arene-appended rhodamine B-based supramolecular system for nematic mesophase and nematode cell imaging

Vinay S. Sharma, Hitendra Mali, Anuj S. Sharma, Unnati Patel, Sweta Thakar and Pranav S. Shrivastav

New J. Chem., 2024, 48, 11577
DOI: 10.1039/D4NJ01401D

Bright green electroluminescence with an EQE of 4.6% from a host–guest OLED fabricated from an unsymmetric liquid crystalline N-annulated perylene ester imide as a dopant

Paresh Kumar Behera, Feng-Rong Chen, Jwo-Huei Jou and Ammathnadu Sudhakar Achalkumar

J. Mater. Chem. C, 2024, 12, 8282
DOI: 10.1039/D4TC01104J

Regulating aggregation and optical properties of rigid-flexible ligand via metal coordination for multifunctional applications

Jun Wang, Wenjing Shi, Ying Xiong and Jinsheng Zhang

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2025, 340, 126383
DOI: 10.1016/j.saa.2025.126383

Room-Temperature Fluorescent n-Type Columnar Liquid Crystals Based on Perylene Hydrazides

Mrinmoy Roy, Paresh Kumar Behera, Indrajit Mondal, Abhinandha Asokh, Doddamane Sreenivasamurthy Shankar Rao, Satyaprasad P. Senanayak and Achalkumar Ammathnadu Sudhakar

ACS Appl. Electron. Mater., 2025, 7, 3892
DOI: 10.1021/acsaelm.5c00155

Unveiling the Yellow Electroluminescence (EQEmax = 5.4%) of an Unsymmetrical Perylene Diester Imide

Paresh Kumar Behera, Sushanta Lenka, Mrinmoy Roy, Feng-Rong Chen, Wei-Zhu Lin, Pei-En Jan, Hao-Wu Lin, Jwo-Huei Jou and Achalkumar Ammathnadu Sudhakar

ACS Appl. Opt. Mater., 2024, 2, 2221
DOI: 10.1021/acsaom.4c00316

Novel Class of Ambipolar Columnar Liquid Crystals Based on Cyclic Dipeptide and Isatin Hybrids

Rahul Ahmed, Paresh Kumar Behera, Anjana K N, Anitha B, Alakananda Patra, Sandeep Kumar, Manoj AG Namboothiry and Ammathnadu Sudhakar Achalkumar

ChemPhysChem, 2025, 26
DOI: 10.1002/cphc.202400980

Bay-Substitution of Perylene Bisimides with Bidentate Nucleophiles: The Case of Aryloxide Anions

Carlos J. Rivas, Leandro D. Mena, María T. Baumgartner and Liliana B. Jimenez

J. Org. Chem., 2024, 89, 2764
DOI: 10.1021/acs.joc.3c02002

Ambipolar Columnar Self‐assembled Organic Semiconductors based on Heteroatom bay‐Annulated Perylene Bisimides

Paresh Kumar Behera, Kajal Yadav, D. S. Shankar Rao, Upendra Kumar Pandey and Achalkumar Ammathnadu Sudhakar

Chemistry An Asian Journal, 2023, 18
DOI: 10.1002/asia.202300086

Exploring Acceptor-Functionalized Perylenes as Hole Transport Materials for Solution Process Organic Light-Emitting Diodes

Krishan Kumar, Dipanshu Sharma, Diksha Thakur, Wei-Zhu Lin, Mangey Ram Nagar, Subrata Banik, Jwo-Huei Jou and Subrata Ghosh

ACS Appl. Electron. Mater., 2024, 6, 3874
DOI: 10.1021/acsaelm.4c00469

Tuning the Liquid Crystallinity and Electroluminescence via Sulfonation of S‐Annulated Perylene Tetraester

Paresh Kumar Behera, Feng‐Rong Chen, Prakalp Gautam, Mrinmoy Roy, Doddamane Sreenivasamurthy Shankar Rao, Channabasaveshwar V. Yelamaggad, Jwo‐Huei Jou and Achalkumar Ammathnadu Sudhakar

Chemistry A European J, 2024, 30
DOI: 10.1002/chem.202304333

Superior electron mobility, red electroluminescence with high quantum efficiency from printable room temperature columnar liquid crystalline perylene bisimide

Paresh Kumar Behera, Feng-Rong Chen, Indrajit Mondal, Sushanta Lenka, Prakalp Gautam, Nihal Khatiwoda, Iram Siddiqui, V.E. Krishnaprasad, Rahul Ahmed, Doddamane Sreenivasamurthy Shankar Rao, Satyaprasad P. Senanayak, Jwo-Huei Jou and A.S. Achalkumar

Chemical Engineering Journal, 2024, 488, 150762
DOI: 10.1016/j.cej.2024.150762

Oxacalix[4]arene functionalized macrocycle with columnar liquid crystal phase and self-assembly tuned by reversible photoisomerization process

Hitendra Mali, Vinay S. Sharma, Sweety Sojitra, Anuj S. Sharma, Hemant R. Prajapati and Pranav S. Shrivastav

Journal of Molecular Structure, 2025, 1321, 139696
DOI: 10.1016/j.molstruc.2024.139696

Synthesis of multi-stimuli-responsive solid-state red-emitting phenothiazine-based A-π-D-π-A' derivatives and their applications

Reshma Kumari and Marilyn Daisy Milton

Journal of Molecular Structure, 2024, 1309, 138202
DOI: 10.1016/j.molstruc.2024.138202

S/Se‐Annulated Star‐Shaped Perylene Diimides (PDIs) with Large Two‐Photon Absorption (TPA) Cross‐Section in NIR‐I Region

Dandan Li, Wenrong Zhao, Gang Li, Yan Xu, Liang Xu and Bo Tang

Chemistry A European J, 2025, 31
DOI: 10.1002/chem.202403510

Highly Soluble Ambipolar anti‐Perylene‐3,4 : 9,10‐bis(benzimidazole)s Stabilize a Room‐Temperature Columnar Hexagonal Phase

Paresh Kumar Behera, Kajal Yadav, Alakananda Patra, Ravindra Kumar Gupta, D. S. Shankar Rao, Sandeep Kumar, Upendra Kumar Pandey and Ammathnadu Sudhakar Achalkumar

Chemistry A European J, 2023, 29
DOI: 10.1002/chem.202302187

Columnar self-assembled heteroatom bay-annulated perylene bisimide as passivating layer for high performance perovskite solar cells

Kajal Yadav, Paresh Kumar Behera, Ankita, Tarun, Rohit D. Chavan, Pankaj Yadav, Achalkumar Ammathnadu Sudhakar and Upendra Kumar Pandey

Solar Energy, 2024, 278, 112762
DOI: 10.1016/j.solener.2024.112762

Pillar[5]arene-based cyclophanes with cinnamate modifications

Dhruvisha K. Patel, Suryajit L. Rathod, Vinay S. Sharma, Anuj S. Sharma, Shweta P. Thakar, Unnati P. Patel, Hitendra Mali and Pranav S. Shrivastav

Journal of Molecular Liquids, 2024, 399, 124376
DOI: 10.1016/j.molliq.2024.124376

Solution Processable Se‐annulated Swallow Tail Perylene Bisimide Exhibiting Room Temperature Columnar Phase and Efficient Ambipolar Charge Carrier Mobility

Paresh Kumar Behera, Kajal Yadav, Mrinmoy Roy, D. S. Shankar Rao, Upendra Kumar Pandey and Ammathnadu Sudhakar Achalkumar

Chemistry A European J, 2025, 31
DOI: 10.1002/chem.202402557

Revelation of room temperature liquid crystallinity and yellow-orange electroluminescence (EQE>7%) in a columnar self-assembled N-annulated perylene bisimide

Paresh Kumar Behera, Sushanta Lenka, Feng-Rong Chen, Mrinmoy Roy, Indrajit Mondal, D.S. Shankar Rao, Satyaprasad P Senanayak, Jwo-Huei Jou and Ammathnadu S. Achalkumar

Chemical Engineering Journal, 2024, 497, 154719
DOI: 10.1016/j.cej.2024.154719

Chalcogen-Influenced Benzochalcogenazolo-Based N,O-Coordinated Difluoroboron Complexes: From Lasing Dyes to Room-Temperature-Phosphorescence Emitters

Stepan Kutsiy, Radosław Pytlarz, Andrii Hotynchan, Paulina H. Marek-Urban, Roman Luboradzki, Enzo Jean-Woldemar, Dmytro Volyniuk, Sébastien Chénais, Sébastien Forget, Krzysztof Durka, Juozas V. Grazulevicius and Mykhaylo A. Potopnyk

Inorg. Chem., 2025, 64, 14704
DOI: 10.1021/acs.inorgchem.5c02557