Picosecond laser photolysis studies on a photochromic dithienylethene in solution and in crystalline phases

被引：110
|
作者：
Miyasaka, H
Nobuto, T
Itaya, A
Tamai, N
Irie, M
机构：
[1] KWANSEI GAKUIN UNIV,SCH SCI,DEPT CHEM,JRDC,PRESTO,LIGHT & MAT GRP,NISHINOMIYA,HYOGO 662,JAPAN
[2] KYUSHU UNIV,FAC ENGN,DEPT CHEM SCI & TECHNOL,HIGASHI KU,FUKUOKA 812,JAPAN
来源：
CHEMICAL PHYSICS LETTERS | 1997年 / 269卷 / 3-4期
关键词：
D O I：
10.1016/S0009-2614(97)00282-0
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：
Picosecond transient absorption spectroscopy and fluorescence measurement were applied to the direct observation of photochromic reaction of 1,2-bis(2,5-dimethyl-3-thienyl)perfluorocyclopentene (DMTF) in solutions as well as in crystal line phase. In both phases, very rapid (less than or equal to approximate to 10 ps) reaction channel of the ring-closure was found. The mechanism of ultrafast reaction process was discussed by comparing the present result with those of other diarylethene derivatives.
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页码：281 / 285
页数：5
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