ArticleRSC advances2020
Photophysical properties and fluorosolvatochromism of D-π-A thiophene based derivatives.
Article in RSC advances, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Conformational Control of Excited-State Properties in Ortho-Linked Triarylamine-Based Donor-Acceptor Conjugates.ChemistryOpen · 2026Article
- Fluorescent-state switching of a 10-hydroxybezo[RSC advances · 2026Article
- Fluorescent solvatochromism and nonfluorescence processes of charge-transfer-type molecules with a 4-nitrophenyl moiety.RSC advances · 2025Article
- Excited-State Relaxation Pathways of 4-Aminobiphenyl-2-Pyrimidine Derivatives: An Ultrafast Perspective.The journal of physical chemistry. A · 2025Article
- Mesogenic L-histidine Based Schiff Base and its Zn(II) Complex: Synthesis, Photophysical Properties, AIE and TD-DFT Study.Journal of fluorescence · 2025Article
- Selenium-Substituted BOIMPY for Enhanced Photodynamic Therapy.ACS medicinal chemistry letters · 2025Article
- Green synthesis of ethyl cinnamates under microwave irradiation: photophysical properties, cytotoxicity, and cell bioimaging.RSC advances · 2024Article
- New organic dye-sensitized solar cells based on the D-A-π-A structure for efficient DSSCs: DFT/TD-DFT investigations.RSC advances · 2022Article
- Novel cationic aryl bithiophene/terthiophene derivatives as corrosion inhibitors by chemical, electrochemical and surface investigations.Scientific reports · 2022Article
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6 authors.
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Abstract
Solvation-dependent photophysical properties of two push-pull thiophene-based compounds with donor-π-acceptor (D-π-A) structures were investigated using absorption, fluorescence emission and time resolved spectroscopy, and supported by different solvation models. Intramolecular charge transfer characteristics of the structurally similar 2-fluoro-4-(5-(4-methoxyphenyl)thiophen-2-yl)benzonitrile (MOT) and 4-(5-(4-(dimethylamino)phenyl)thiophen-2-yl)-2-fluorobenzonitrile (DMAT) were investigated. Significant enhancement of intramolecular charge transfer strength has been observed through molecular structure modification of the electron donating group from a methoxy to dimethylamine group. Ground state absorption spectra show a small red shift of about 10 nm and 18 nm while the fluorescence emission spectra show a large red shift of about 66 nm and 162 nm on changing from the nonpolar cyclohexane to the aprotic polar DMSO for MOT and DMAT, respectively. Dipole moment change from the ground state to the charge transfer excited state is calculated to be 6.6 D in MOT and 9.0 D in DMAT. The fluorescence quantum yield, fluorescence lifetime and the derived radiative and non-radiative rate constants were found to be better correlated to the emission energy rather than any of the solvent properties. Three multi-parametric relationships were used in the interpretation of the specific
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