Refractive index change of an amorphous bisbenzothienylethene

被引:51
作者
Chauvin, J [1 ]
Kawai, T [1 ]
Irie, M [1 ]
机构
[1] Kyushu Univ, Grad Sch Engn, Dept Chem & Biochem, Higashi Ku, Fukuoka 8128581, Japan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2001年 / 40卷 / 4A期
关键词
amorphous; diarylethene; photochromism; refractive index; thin film;
D O I
10.1143/JJAP.40.2518
中图分类号
O59 [应用物理学];
学科分类号
摘要
A bisbenzothieneylethene exhibiting a photochromic behavior in the amorphous bulk solid state was synthesized. Upon alternate ultraviolet (UV) and visible light irradiation the amorphous thin film underwent a reversible color change and modulation of the refractive index. The refractive index chan-e was determined at 632.8 nm and 817 nm using a prism coupling method. The difference in the refractive index value between the open- and closed-ring isomers was as high as 0.064 at 817 nm.
引用
收藏
页码:2518 / 2522
页数:5
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