LOCAL DYNAMICS IN SOLID MATRICES INVESTIGATED BY MALACHITE GREEN OPTICAL MICROPROBES

被引：10

作者：

ABEDIN, KM ^{[1
]}

YE, JY ^{[1
]}

INOUYE, H ^{[1
]}

HATTORI, T ^{[1
]}

NAKATSUKA, H ^{[1
]}

机构：

[1] UNIV TSUKUBA,INST APPL PHYS,TSUKUBA,IBARAKI 305,JAPAN

来源：

JOURNAL OF LUMINESCENCE | 1995年 / 64卷 / 1-6期

关键词：

D O I：

10.1016/0022-2313(95)00022-I

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The nonradiative rotational dynamics of phenyl rings of malachite green molecules doped in solid polymers was studied by measuring the temperature dependence of the fluorescence decay time. The rotational motion of the phenyl rings on the flat S-1 excited-state potential surface was analyzed by using the Stokes-Einstein-Debye equation. The temperature dependence of the microviscosity of the polymer hosts which controls the rotational motion of the phenyl rings was found to obey the Andrade equation with a definite activation energy which is known to be obeyed by many liquids. We found that malachite green molecules are good fluorescent probes to investigate the microscopic dynamics in solid matrices.

引用

页码：135 / 140

页数：6

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