Ion transfer and photoinduced electron transfer of water-soluble porphyrin at the nitrobenzene | water interface

Ion-transfer reactions of a water-soluble porphyrin, meso-tetrakis( p-sulfonatophenyl)porphyrin (H 2TPPS 4−), and its zinc complex (ZnTPPS 4−) at the nitrobenzene | water (NB | W) interface were studied by cyclic voltammetry. In particular, for H 2TPPS 4−, the effect of acid–base equilibria on the i...

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Bibliographic Details
Published in:Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 2001, Vol.496 (1), p.95-102
Main Authors: Osakai, Toshiyuki, Muto, Kazuhiro
Format: Article
Language:English
Subjects:
Chemistry
Electrochemistry
Exact sciences and technology
General and physical chemistry
Ion-transfer voltammetry
Nitrobenzene | water interface
Photoelectrochemistry. Electrochemiluminescence
Photoinduced electron transfer
Water-soluble porphyrin
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Summary:Ion-transfer reactions of a water-soluble porphyrin, meso-tetrakis( p-sulfonatophenyl)porphyrin (H 2TPPS 4−), and its zinc complex (ZnTPPS 4−) at the nitrobenzene | water (NB | W) interface were studied by cyclic voltammetry. In particular, for H 2TPPS 4−, the effect of acid–base equilibria on the ion-transfer potential was analyzed theoretically. In addition, the photocurrent response for ZnTPPS 4− at the NB | W interface was observed potentiostatically, and a certain effect of EDTA as the sacrificial reagent on the photocurrent was confirmed.
ISSN:1572-6657
1873-2569
DOI:10.1016/S0022-0728(00)00356-9