Direct observation of electron spin polarization transfer in triplet-triplet energy transfer between porphyrins and fullerene in fluid solution

被引：25

作者：

Fujisawa, J ^{[1
]}

Ohba, Y ^{[1
]}

Yamauchi, S ^{[1
]}

机构：

[1] Tohoku Univ, Inst Chem React Sci, Aoba Ku, Sendai, Miyagi 98077, Japan

来源：

CHEMICAL PHYSICS LETTERS | 1998年 / 282卷 / 02期

关键词：

D O I：

10.1016/S0009-2614(97)01191-3

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：

Time-resolved electron paramagnetic resonance (EPR) has been used to investigate electron spin polarization transfer in triplet-triplet (T-T) energy transfer between porphyrins (MOEP and MTPP; M = H-2, Zn) and fullerene (C-60) in toluene solution. EPR spectra of excited triplet (T-1) states of both a donor (porphyrins) and an acceptor (C-60) were directly observed. The induced spin polarizations of T-1 C-60 were found to be the same as those of T-1 porphyrins. From the analyses of time-profiles of both tripler signals, it was shown that T-1 polarizations of porphyrins are transferred to T-1 fullerene with conservation of spin polarizations via T-T energy transfer. (C) 1998 Elsevier Science B.V.

引用

页码：181 / 186

页数：6

共 29 条

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