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

doi:10.1007/BF03163099

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

Division of Measurements

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	55-69
Number of pages	15
Journal	Applied Magnetic Resonance
Volume	10
Issue number	1-3
DOIs	https://doi.org/10.1007/BF03163099
Publication status	Published - 1996 Jan 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1007/BF03163099

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Two dimensional FT-EPR spectroscopy for spin-correlated radical pairs - Application to photoinduced electron transfer reaction between ZnTPPS and DQ in a micellar solution. / Hanaishi, R.; Yamamoto, K.; Ohba, Y.; Yamauchi, S.; Iwaizumi, M.

In: Applied Magnetic Resonance, Vol. 10, No. 1-3, 01.01.1996, p. 55-69.

Research output: Contribution to journal › Article › peer-review

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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.",

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