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Photoinduced electron transfer between C60 and N,N,N′,N′-tetramethylbenzidine (NTMB). Fourier transform electron paramagnetic resonance study

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Abstract

Fourier transform EPR spectroscopy was employed in studying the electron transfer (ET) reaction and the quenching mechanisms of the photoexcited triplet state of C60 as electron acceptor and N,N,N′,N′-tetramethylbenzidine (NTMB) as electron donor in benzonitrile solution. The ET reaction product, the cation radical NTMB*+, interacts with 3*C60, leading to photoinduced electron polarization of NTMB*+ via triplet-doublet mixing mechanism combined with triplet mechanism. The quenching of 3*C60 and the polarization behavior of NTMB*+ are discussed.

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Authors and Affiliations

  1. Department of Physical Chemistry, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel

    S. Michaeli, V. Meiklyar & H. Levanon

  2. Farkas Center for Light-Induced Processes, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel

    S. Michaeli, V. Meiklyar & H. Levanon

  3. Institute of Molecular Physics, Free University of Berlin, 14195, Berlin, Germany

    B. Endeward

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  1. S. Michaeli
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  2. V. Meiklyar
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  4. K. Möbius
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  5. H. Levanon
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Michaeli, S., Meiklyar, V., Endeward, B. et al. Photoinduced electron transfer between C60 and N,N,N′,N′-tetramethylbenzidine (NTMB). Fourier transform electron paramagnetic resonance study. Res. Chem. Intermed. 23, 505–517 (1997). https://doi.org/10.1163/156856797X00204

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  • DOI: https://doi.org/10.1163/156856797X00204

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