PYRENE EXCIMER FORMATION IN INDIVIDUAL OIL DROPLETS DISPERSED IN GELATIN MATRICES - SPACE-RESOLVED AND TIME-RESOLVED FLUORESCENCE SPECTROSCOPY

被引：20
|
作者：
NAKATANI, K
MISAWA, H
SASAKI, K
KITAMURA, N
MASUHARA, H
机构：
[1] Microphotoconversion Project, ERATO, Research Development Corporation of Japan, Shimogamo, Sakyo-ku, Kyoto 606
[2] Department of Applied Physics, Osaka University
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1993年 / 97卷 / 08期
关键词：
D O I：
10.1021/j100110a037
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：
Pyrene excimer formation in individual liquid paraffin droplets dispersed in aqueous gelatin matrices was studied by three-dimensional space- and time-resolved fluorescence spectroscopy. The pyrene excimer formation efficiency in the droplets was constant irrespective of the droplet size. The parameters of the excimer formation were determined for each droplet and compared with those observed in bulk pyrene/liquid paraffin solution. The results were discussed on the basis of the depth profiles and the dynamics of pyrene fluorescence in individual liquid paraffin droplets. A distribution equilibrium of pyrene between the oil and the aqueous gelatin was also considered.
引用
收藏
页码：1701 / 1706
页数：6
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