Aggregation and photofading behaviour of unsymmetrical squarylium dyes containing a quinolylidene moiety

被引：0

作者：

Kim, SH ^{[1
]}

Hwang, SH

Kim, NK

Kim, JW

Yoon, CM

Keum, SR

机构：

[1] Kyungpook Natl Univ, Dept Dyeing & Finishing, Coll Engn, Taegu 702701, South Korea

[2] Korea Univ, Dept Chem, Coll Sci & Technol, Jochiwon 339700, Choong Nam, South Korea

来源：

JOURNAL OF THE SOCIETY OF DYERS AND COLOURISTS | 2000年 / 116卷 / 04期

关键词：

D O I：

暂无

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Representatives of a new class of unsymmetrical squarylium dyes containing a quinolylidene moiety have been synthesised and characterised. These dyes absorbed at a longer wavelength (11-50 nm) than the corresponding symmetrical squarylium dyes. The influence of the quinolylidene moiety on the absorption of these dyes was studied and compared with that calculated by the PPP-MO method. The photostability properties of the dyes were investigated in chloroform with a high-pressure mercury lamp. The aggregation of the unsymmetrical squarylium dyes were also studied in different DMSO/water solutions, including solutions with gamma-cyclodextrin.

引用

页码：126 / 131

页数：6

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