Spectroscopic properties of Sn(IV) tetrapyridyl and tetramethylpyridinium porphyrins in solution and in sol-gel matrices

被引：15

作者：

Delmarre, D ^{[1
]}

Veret-Lemarinier, AV ^{[1
]}

Bied-Charreton, C ^{[1
]}

机构：

[1] Ecole Normale Super Cachan, URA 1906 CNRS, Lab Photophys & Photochim Supramol & Macromol, F-94235 Cachan, France

来源：

JOURNAL OF LUMINESCENCE | 1999年 / 82卷 / 01期

关键词：

Sn(IV) porphyrins; absorption and fluorescence spectroscopies; sol-gel matrices; maximum entropy method (MEM);

D O I：

10.1016/S0022-2313(99)00016-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have studied the influence of different solvents and of the pH on the spectroscopic properties of Sn(IV)tetrapyridyl and tetramethylpyridinium porphyrins. Then these porphyrins were immobilized in sol-gel matrices. The spectroscopic properties of the immobilized porphyrins are dependent on the composition of the matrix and on its polarity. Evidence for the presence of a distribution of environments for the porphyrin in the matrix are demonstrated using fluorescence spectroscopy and maximum entropy method (MEM). (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：57 / 67

页数：11

共 34 条

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