ArticleRSC advances2025
Fluorescent solvatochromism and nonfluorescence processes of charge-transfer-type molecules with a 4-nitrophenyl moiety.
Article in RSC advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Fluorescent-state switching of a 10-hydroxybezo[RSC advances · 2026Article
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2 authors.
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No grant is acknowledged in the PubMed record.
Abstract
A novel naphthalene derivative, 1-methoxy-4-(4-nitrophenyl)naphthalene (1), exhibited obvious fluorescence, the color of which varied significantly from greenish blue to red depending on the solvent, from the charge-transfer excited state with a large electric dipole moment. The fluorescence of 1 was weak in both low- and high-polar solvents, and the fluorescence of derivatives with a 4-nitrophenyl group was also weak in low-polar solvents. Such unusual solvent dependences were revealed by the energy gap plot. The high-energy fluorescent excited state of a derivative with the 4-nitrophenyl group is quickly converted into the triplet excited state, whereas the low-energy state deactivates to the ground state through internal conversion. Such nonfluorescence processes of the derivatives were elucidated by developing derivatives with a nitro group that exhibited fluorescence changes in the broad visible region depending on the chemical structure and solvent.
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Registered trials
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