Dynamical process of photoinduced phase transition in a mixed-valence gold complex

被引：0
|
作者：
Liu, XJ [1 ]
Moritomo, Y
Nakamura, A
Kojima, N
机构：
[1] Nagoya Univ, CIRSE, Chikusa Ku, Nagoya, Aichi 4648601, Japan
[2] Univ Tokyo, Grad Sch Arts & Sci, Tokyo 1538902, Japan
来源：
JOURNAL OF LUMINESCENCE | 2001年 / 94卷 / 94-95期
基金：
日本学术振兴会;
关键词：
photoinduced phase transition; mixed-valence complex; high-pressure Raman spectroscopy; dynamical property;
D O I：
10.1016/S0022-2313(01)00382-9
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The dynamical process of photoinduced phase transition from the mixed-valence (MV) state to a single-valence (SV) state has been investigated in a gold complex Cs2Au2Br6 by means of high-pressure Raman spectroscopy. We have found that the MV fraction decreases with excitation shot number, which is well reproduced by a contracted-exponential function. Such a characteristic dynamical behavior has been interpreted in terms of the stochastic formation of the photo-generated SV clusters and subsequent growth of the size. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：541 / 544
页数：4
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