期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 106, 期 46, 页码 11400-11407出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp021404b
关键词
-
The photophysics and photochemistry of the four geometrical isomers of 1-(9-anthryl)-4-phenyl-1,3-butadiene have been extensively studied by stationary and pulsed spectrometry in nonpolar solvent. Fluorimetric and laser flash techniques were used to measure the quantum yields and lifetimes of the lowest excited states of singlet and triplet multiplicity at different. temperatures. This paper reports the spectral characterization of the four isomers and their derived parameters of the radiative, nonradiative, and reactive relaxation pathways. The isomerization proceeds through triplet diabatic and/or adiabatic mechanisms, generally with low quantum yield, owing to high torsional barriers in the S, state and small T, population quantum yields, due to the very fast S-1 --> S-0 internal conversion. At high temperature, a singlet diabatic mechanism is also operative.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据