Two dimensional FT-EPR spectroscopy for spin-correlated radical pairs - Application to photoinduced electron transfer reaction between ZnTPPS and DQ in a micellar solution

R. Hanaishi, K. Yamamoto, Y. Ohba, S. Yamauchi, M. Iwaizumi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Two pulsed EPR methods for studying spin-correlated radical pairs (SCRPs) transiently generated in photochemical reactions are presented. One is two dimensional (2D) EPR nutation method which uses anomalous flip angle dependence of SCRPs for microwave (MW) pulses and the other is application of the so called 2D J spectroscopy in NMR to studies of paramagnetic SCRPs. The methods were applied to observation of the SCRP generated in the photoinduced electron transfer reaction between zinctetraphenylporphyrinsulphonate (ZnTPPS) and duroquinone (DQ) in cetyltrimethylammonium chloride (CTAC) micellar solution in which SCRP alives for a relatively long period at the early stage of the reaction processes.

Original languageEnglish
Pages (from-to)55-69
Number of pages15
JournalApplied Magnetic Resonance
Volume10
Issue number1-3
DOIs
Publication statusPublished - 1996 Jan 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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