Physics – Chemical Physics
Scientific paper
2001-11-06
Physics
Chemical Physics
15 pages 5 figures 2 Tables
Scientific paper
The solvation dynamics and isomerization process of an organic dye, IR-140, in polar solvents and nonpolar solvents have been investigated using pump supercontinuum-probing (PSCP) technique. In all solvents, the dynamics exhibits solvent-dependent. Solvent induced spectral shifts of the absorption and emission spectra of IR-140 have also been studied in a variety of solvents. At the same time, the photoisomerization process has been examined. The approximate energy-band structure of IR-140 was also supposed firstly.
Jiang Hongbing
Junfeng Xiang Qihuang Gong
Wang Danling
Wu Songjiang
Xu Guangzhi
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