PHOTOCHEMICAL HOLE BURNING OF TETRAPHENYLPORPHINE DERIVATIVES - RELATIONSHIP BETWEEN THE QUANTUM EFFICIENCY FOR HOLE FORMATION AND CHEMICAL-STRUCTURE OF TETRAPHENYLPORPHINE DERIVATIVES

被引：23
|
作者：
SUZUKI, T
HORIE, K
FURUSAWA, A
YAMASHITA, T
机构：
[1] Department of Reaction Chemistry, Faculty of Engineering, University of Tokyo, Tokyo 113, 7-3-1 Hongo, Bunkyo-ku
[2] Research Laboratory, Nikon Corp.
[3] Research Center for Advanced Science and Technology, University of Tokyo
来源：
CHEMISTRY OF MATERIALS | 1993年 / 5卷 / 03期
关键词：
D O I：
10.1021/cm00027a021
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 quantum efficiency for hole formation in photochemical hole burning (PHB) was measured for 10 derivatives of free base 5,10,15,20-tetraphenyl-21H,23H-porphine (TPP) at 20 K. The effect of the substituents on the quantum efficiency for hole formation does not follow the Hammett's rule contrary to a published report. The quantum efficiency for hole formation of the free base porphyrins is approximately 10(-3) at 20 K. The lifetime of the lowest triplet state of the porphyrins was also measured at 77 K. There is no relation between the quantum efficiency for hole formation and the lifetime of the lowest triplet state.
引用
收藏
页码：366 / 371
页数：6
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