Energy transfer in a porphyrin chelate assembly

被引：26

作者：

Rubtsov, IV

Kobuke, Y

Miyaji, H

Yoshihara, K ^{[1
]}

机构：

[1] Japan Adv Inst Sci & Technol, Tatsunokuchi, Ishikawa 9231292, Japan

[2] Nara Inst Sci & Technol, Takayama, Ikoma 6300101, Japan

[3] Shizuoka Univ, Fac Engn, Hamamatsu, Shizuoka 4328561, Japan

[4] LY Karpov Phys Chem Res Inst, Chernogolovka 142432, Moscow Region, Russia

来源：

CHEMICAL PHYSICS LETTERS | 1999年 / 308卷 / 3-4期

关键词：

D O I：

10.1016/S0009-2614(99)00615-6

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：

Energy transfer among isoenergetic pigments, three oxinyl-substituted free-base porphyrins in an octahedral chelate Ga(III) complex, has been studied by the femtosecond fluorescence up-conversion technique. The anisotropy decay of the complex has a fast component of similar to 10 ps which is assigned to the energy transfer between the nearest porphyrin units in the complex. The anisotropy decay of the monomer (oxinyl-substituted porphyrin) is much slower and reflects monomer rotational dynamics in solution with decay times of 50 and similar to 200 ps in dichloromethane. (C) 1999 Elsevier Science B.V. All rights reserved.

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页码：323 / 328

页数：6

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