A rhodamine and a cyanine dye on the water surface as studied by laser induced fluorescence microscopy

被引：7

作者：

Slyadnev, MN ^{[1
]}

Inoue, T ^{[1
]}

Harata, A ^{[1
]}

Ogawa, T ^{[1
]}

机构：

[1] Kyushu Univ, Dept Mol & Mat Sci, Kasuga, Fukuoka 8168580, Japan

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2000年 / 164卷 / 2-3期

基金：

日本学术振兴会;

关键词：

rhodamine; cyanine dye; water surface; laser induced fluorescence microscopy;

D O I：

10.1016/S0927-7757(99)00383-0

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：

The properties and behavior of cyanine and rhodamine dyes on the water surface were investigated using a laser-induced fluorescence microscope. The band peaks of the absorption and fluorescence spectra and their Stokes shift of the rhodamine dye on the water surface indicated that the polarity on the water surface is lower than that of bulk water. The rhodamine and cyanine dye molecules formed domains on the water surface. Although RhC18 formed no aggregate on the water surface below Gamma = 0.7, DiD aggregated significantly even at Gamma = 0.2 and showed two kinds of domains on the water surface. DiD, however, did not aggregate in the LB film below Gamma = 0.7 and showed aggregation only at multilayers. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：155 / 162

页数：8

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