PHOTOCHROMISM OF SPIROPYRAN DYE IN LI-AL LAYERED DOUBLE HYDROXIDE

被引:31
作者
KUWAHARA, T
TAGAYA, H
CHIBA, K
机构
[1] YAMAGATA UNIV,DEPT MAT SCI & ENGN,YONEZAWA,YAMAGATA 992,JAPAN
[2] TDK CORP,CTR R&D,NAGANO 38902,JAPAN
来源
MICROPOROUS MATERIALS | 1995年 / 4卷 / 2-3期
关键词
PHOTOCHROMISM; SPIROPYRAN DYE; LI-AL LAYERED DOUBLE HYDROXIDE; CO-INTERCALATE;
D O I
10.1016/0927-6513(94)00095-D
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Sulfonated spiropyran dye (SP) intercalated into the interlayers of a Li-Al layered double hydroxide (LDH) showed reversible photochromism even in the absence of co-intercalated organic acid. Photochromic intercalation compounds containing SP and p-toluenesulfonate (PTS) in a Li-Al LDH revealed peak sharpening and peak separation in the absorption spectrum. Fluorescence intensity of SP intercalate increased in the presence of PTS indicating that the interaction between SP molecules is weak.
引用
收藏
页码:247 / 250
页数:4
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