PHOTOPHYSICS OF POLYCYCLIC AROMATIC-HYDROCARBONS ADSORBED ON SILICA-GEL SURFACES .1. FLUORESCENCE LIFETIME DISTRIBUTION ANALYSIS - AN ILL-CONDITIONED PROBLEM

被引：65

作者：

LIU, YS ^{[1
]}

WARE, WR ^{[1
]}

机构：

[1] UNIV WESTERN ONTARIO,DEPT CHEM,PHOTOCHEM UNIT,LONDON N6A 5B7,ONTARIO,CANADA

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1993年 / 97卷 / 22期

关键词：

D O I：

10.1021/j100124a033

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 ill-conditioned nature of the lifetime distribution analysis is demonstrated using the fluorescence decay data of pyrene adsorbed on variously dehydroxylated silica gel surfaces. A set of physically plausible results can be obtained only after a regularization technique is employed in the data reduction. This study indicates that a bimodal distribution appears to be suitable for describing the lifetime of pyrene adsorbed on a silica gel surface.

引用

页码：5980 / 5986

页数：7

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