Pulse radiolysis study of positive-charge transfer in freon-mixture matrix at 77K.
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概要
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The pulse radiolysis of a Freon mixture (FM), an equivolume mixture of CFCl<SUB>3</SUB> and CF<SUB>2</SUB>BrCF<SUB>2</SUB>Br, at 77 K gave transient absorption bands with peaks at 360, 490, and 530 nm, whose decay was enhanced by cation scavengers: propylamine, triethylamine, <I>N</I>,<I>N</I>′-diethylaniline, and biphenyl. The degree of the enhancement was independent of the difference in the ionization potential between the matrix and the solute molecules. In the FM matrix, positive-charge transfer from biphenyl cations to some other solute molecules showed energy dependence similar to that observed in the <I>s</I>-butyl chloride matrix. The rate of inter-solute positive-charge transfer was faster in the FM matrix than in the <I>s</I>-butyl chloride matrix. These results were discussed in relation to current electron transfer theories.
- 公益社団法人 日本化学会の論文
著者
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TAGAWA Seiichi
Research Center for Nuclear Science and Technology, The University of Tokyo
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Tabata Yoneho
Nuclear Engineering Research Laboratory Faculty Of Engineering University Of Tokyo
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KIRA Akira
The Institute of Physical and Chemical Research
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Imamura Masashi
The Institute of Physical and Chemical Research
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