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Photochromic Behavior of Isochromenes (1H-Benzopyrans) as Studied by Transient Absorption Spectroscopy

 

作者: Eisuke Haba,   Katsunori Segawa,   Hirochika Sakuragi,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 2000）
卷期: Volume 345, issue 1  

页码: 221-226

 

ISSN:1058-725X

 

年代: 2000

 

DOI:10.1080/10587250008023922

 

出版商: Taylor & Francis Group

 

关键词: Isochromenes;Photochromism;Transient absorption spectroscopy;Two-color laser photolysis

 

数据来源: Taylor

 

摘要:

3-Phenyl- and 3-(2-naphthyl)isochromene show light-intensity-dependent photochromic behavior; the excitations with low- and high-intensity laser pulses produce isomeric open forms by way of one-photon and two-photon processes, respectively, their lifetimes being in the hundred-nanosecond and hundred-microsecond orders, respectively.

 

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