INTRAMOLECULAR ENERGY-TRANSFER PROCESSES IN PORPHYRIN-PHTHALOCYANINE MIXED DIMERS

被引：3
|
作者：
TRANTHI, TH
ALI, H
LIPSKIER, JF
GASPARD, S
VANLIER, JE
机构：
[1] UNIV SHERBROOKE,DEPT MED NUCL & RADIOBIOL,SHERBROOKE J1H 5N4,QUEBEC,CANADA
[2] CENS,CEA,DRECAM,SCM,CNRS,UA 331,PHOTOPHYS & PHOTOCHIM LAB,F-91191 GIF SUR YVETTE,FRANCE
[3] CNRS,INST CHIM SUBSTANCES NAT,F-91190 GIF SUR YVETTE,FRANCE
来源：
JOURNAL DE CHIMIE PHYSIQUE ET DE PHYSICO-CHIMIE BIOLOGIQUE | 1991年 / 88卷 / 06期
关键词：
D O I：
10.1051/jcp/1991881151
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The photophysical properties of two mixed dimers, covalently coupled via an oxygen atom (dimer I) or an amide bond (dimer II), are investigated. Intramolecular energy transfer processes are very efficient in both compounds, especially in the dimer II for which the singlet to singlet transfer yield is close to unity. This efficiency is explained by the large overlap between the fluorescence spectrum of the donor and the absorption spectrum of the acceptor moiety of dimer II.
引用
收藏
页码：1151 / 1158
页数：8
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