| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9757066 | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy | 2005 | 4 Pages |
Abstract
The photophysical properties of N-(α-naphthyl)-benzimidazole (α-NABI), N-(β-naphthyl)-benzimidazole (β-NABI) and N-(α-pyridyl)-benzimidazole (α-PYBI) were studied and α-NYBI exhibit intramolecular charge transfer fluorescence in polar solvents. The fluorescence of benzimidazoles can be quenched by acetic acid and the existence of exciplexes was observed between the benzimidazole derivatives and acetic acid. Particularly, the maximum emission peak of solution of α-PYBI in mixed solvent, ether and acetic acid, presents obvious red-shift with the increase of concentration of acetic acid in the mixed solvent.
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Authors
Zhaobin Chen, Caihong Zhang, Liheng Feng,