THE LOWEST EXCITED ELECTRONIC SINGLET-STATES OF ALL-TRANS BETA-CAROTENE SINGLE-CRYSTALS

被引：35

作者：

GAIER, K ^{[1
]}

ANGERHOFER, A ^{[1
]}

WOLF, HC ^{[1
]}

机构：

[1] UNIV STUTTGART,INST PHYS 3,PFAFFENWALDRING 57,W-7000 STUTTGART 80,GERMANY

来源：

CHEMICAL PHYSICS LETTERS | 1991年 / 187卷 / 1-2期

关键词：

D O I：

10.1016/0009-2614(91)90492-R

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Absorption, fluorescence emission, reflectance, resonance Raman, and resonance Raman excitation spectra were recorded of single crystals of all-trans beta-carotene. The 0-0 band of the S0 --> S2 allowed electronic transition is found at 18700 +/- 50 cm-1. The fluorescence emission consists of two components, the major one originating out of the S2 state of all-trans beta-carotene. The resonance Raman excitation spectra show bands in the pre-resonance region below the absorption edge of the crystal. They may be interpreted as transitions to the optically forbidden 2 1A(g) state (S1).

引用

页码：103 / 109

页数：7

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