Structural insight into imidazopyridines and benzimidazoles: the importance of the hydrogen bond, π-stacking interactions and intramolecular charge transfer effect for fluorescence

Haonan Li, Chenping Gao, Zhibin Li, Yanchun Guo, Shuxia Cao and Yufen Zhao

CrystEngComm, 2024, 26, 5380
DOI: 10.1039/D4CE00714J

Hexagon and network structured organic geometrical isomers with distinct intramolecular H-bonding and stimuli-induced self-reversible fluorescence switching

Parthasarathy Gayathri, Sasikala Ravi, Subramanian Karthikeyan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Dohyun Moon and Savarimuthu Philip Anthony

CrystEngComm, 2023, 25, 460
DOI: 10.1039/D2CE01361D

ESIPT geometrical isomers with distinct mechanofluorochromism and intra/intermolecular H-bonding controlled tunable fluorescence

Parthasarathy Gayathri, Sasikala Ravi, K. Akshaya, Subramanian Karthikeyan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Dohyun Moon and Savarimuthu Philip Anthony

CrystEngComm, 2022, 24, 8126
DOI: 10.1039/D2CE01210C

Distinct fluorescence state, mechanofluorochromism of terpyridine conjugated fluorophores and the reusable sensing of nitroaromatics in aqueous medium

Deepanjaly K. Sivadas, Parthasarathy Gayathri, Sasikala Ravi, Subramanian Karthikeyan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Dohyun Moon, Savarimuthu Philip Anthony and Vedichi Madhu

New J. Chem., 2023, 47, 12770
DOI: 10.1039/D3NJ01235B

Halogen atom substitution effect on the carbazole fluorescence properties and supramolecular interactions in the solid-state

Sasikala Ravi, Subramanian Karthikeyan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Dohyun Moon and Savarimuthu Philip Anthony

CrystEngComm, 2024, 26, 1773
DOI: 10.1039/D4CE00053F

Effect of twisted molecular geometry on the solid-state emissions of an anthracene fluorophore

Gayatri Gogoi and Rupam J. Sarma

CrystEngComm, 2023, 25, 4582
DOI: 10.1039/D3CE00481C

Novel magnetic N-doped biochar derived from sugarcane bagasse and red mud for effective adsorption of tetracycline hydrochloride

Linye Zhang, Jun Xiao, Huixian Che, Deyuan Xiong, Yanling Zhou, Baiying Li, Yi Liu and Guangtao Wei

Journal of Environmental Chemical Engineering, 2024, 12, 113041
DOI: 10.1016/j.jece.2024.113041

Generation of pyridinylethylidenemalononitrile cyclic dimer: A facile route to multi-stimuli-responsive far-red/NIR luminogens

Sumi K. Suresh, Princy Deni Raju, Lekshmi M. Ramachandran, Aravind Krishnan, Chandana Sheeja and Chettiyam Veettil Suneesh

Dyes and Pigments, 2024, 230, 112331
DOI: 10.1016/j.dyepig.2024.112331

Dual responsive behaviors in fluorescence of molecular crystals based on naphthalene pyridyl derivatives

Tian-Le Zhang, Zhi-Bo Fan, Chen-Chen Zhang, Hui-Yao Lin, Da-Hui Qu and Fei Tong

Dyes and Pigments, 2024, 229, 112313
DOI: 10.1016/j.dyepig.2024.112313

Two Zn(II) complexes based on bis(benzimidazole) and different dicarboxylate anions: synthesis, structures, and fluorescent properties

Zhengwei Wu, Wei Gao, Jiaqi Zhang, Yue Lv, Cailing Fei and Huilu Wu

Journal of Coordination Chemistry, 2024, 77, 991
DOI: 10.1080/00958972.2024.2358514

The effect of –CF3 substitution position on the aggregation-induced emission, solvatofluorochromism and mechanofluorochromism properties of the conjugated 9-butyl-9H-carbazole phenylacrylonitrile derivatives

Sumi K. Suresh, Lekshmi M. Ramachandran, Aravind Krishnan and Chettiyam Veettil Suneesh

Journal of Photochemistry and Photobiology A: Chemistry, 2023, 444, 114985
DOI: 10.1016/j.jphotochem.2023.114985

Substituent Controlled Tunable Fluorescence from Green to Red and pH Stimuli‐Induced Reversible Fluorescence Switching in Triphenylamine–Quinoxaline Derivatives

Jerome Issac, Sasikala Ravi, Subrmanian Karthikeyan, Govindasami Periyasami, Dohyun Moon, Savarimuthu Philip Anthony and Vedichi Madhu

Asian J Org Chem, 2024
DOI: 10.1002/ajoc.202400282

Structural and Solvent Effects on the Photophysical Behavior of Pyridyl-Substituted 1,3,4-Oxadiazole Derivatives

Simone da Silva Simões, Mário Sérgio Silva Oliveira, Ricardo Luiz Longo and Eduardo Henrique Lago Falcão

J Fluoresc, 2025
DOI: 10.1007/s10895-025-04504-7

Naphthylacetonitrile isomerism and donor conformational flexibility controlled molecular self-assembly and solid-state fluorescence properties

Parthasarathy Gayathri, Sasikala Ravi, Subramanian Karthikeyan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Vedichi Madhu, Dohyun Moon and Savarimuthu Philip Anthony

Journal of Luminescence, 2023, 264, 120173
DOI: 10.1016/j.jlumin.2023.120173

High contrast reversible halochromism of (Z)-3-(4-(diphenylamino)-2-methoxyphenyl)-2-(pyridine)acrylonitrile in solution, solid-state and PMMA polymer matrix

Sasikala Ravi, Prakash Priyadharshini, Subramanian Karthikeyan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Dohyun Moon and Savarimuthu Philip Anthony

Journal of Molecular Structure, 2025, 1345, 143035
DOI: 10.1016/j.molstruc.2025.143035

Thermally stable strongly fluorescent multi-stimuli responsive carbazole zwitterionic fluorophores: Alkyl chain length dependent thermofluorochromism and latent fingerprinting

Sasikala Ravi, Govindan Deviga, Mariappan Mariappan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Dohyun Moon and Savarimuthu Philip Anthony

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2025, 326, 125210
DOI: 10.1016/j.saa.2024.125210

White light emissive organic fluorophores and halogen atom-controlled tunable and stimuli-induced reversible fluorescence switching

Parthasarathy Gayathri, Sasikala Ravi, Subramanian Karthikeyan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Hussain D. Almalki, Dohyun Moon and Savarimuthu Philip Anthony

Journal of Luminescence, 2023, 257, 119715
DOI: 10.1016/j.jlumin.2023.119715

Supramolecular Interactions‐Assisted Polymorphism and Unique Mechanofluorochromism in 9,10‐Bis((E)‐4‐(trifluoromethyl)styryl)anthracene

Sumi K. Suresh, Princy Deni Raju, Aravind Krishnan, Lekshmi M. Ramachandran and Chettiyam Veettil Suneesh

Chemistry A European J, 2023, 29
DOI: 10.1002/chem.202204030

Charge-transfer cocrystal engineering of anthracene chalcone compound containing cyano group: DFT-guided modulation of solid-state optical properties

Wenhao Su, Zhouyu Jiang, Arshad Khan, Rabia Usman and Mingliang Wang

Computational and Theoretical Chemistry, 2025, 1254, 115465
DOI: 10.1016/j.comptc.2025.115465