Water Photo-Oxidation Sensitized by Zinc(II) Meso- Tetrakis(N-methyl-4-pyridyl)porphine Научная публикация
Журнал |
Journal of Photochemistry and Photobiology A: Chemistry
ISSN: 1010-6030 , E-ISSN: 1873-2666 |
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Вых. Данные | Год: 1991, Том: 56, Номер: 2-3, Страницы: 275-285 Страниц : 11 DOI: 10.1016/1010-6030(91)80028-G | ||
Ключевые слова | ELECTRON-TRANSFER-REACTIONS; PI-RADICAL CATIONS; AQUEOUS-SOLUTION; METAL-COMPLEXES; PORPHYRINS; OXYGEN; DECAY; METALLOPORPHYRINS; PHOTOOXIDATION; GENERATION | ||
Авторы |
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Организации |
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Реферат:
The irradiation (λ>520 nm) of a weakly acidic solution containing zinc(II) meso-tetrakis(N- methyl-4-pyridyl)porphine (ZnTMPyP4+), Fe(bpy)2+3 (bpy≡2,2′-bipyridine) and S2O82− leads to the formation of the strong one-electron oxidant Fe(bpy)33+ with a quantum yield of about 0.2. The reaction mechanism established by means of flash and steady state photolysis includes photochemical generation of zinc porphyrin radical cation ZnTMPyP·5+, which rapidly oxidizes Fe(bpy)33+ and ZnTMPyP4+. After the accumulation of Fe(bpy)33+ in the presence of Co2+ (oxygen evolution catalyst precursor) an oxygen formation reaction was initiated by means of the addition of KOH (to pH 12) to the solution. O2 was detected in the gas phase by gas chromatography.
Библиографическая ссылка:
Gerasimov O.V.
, Lymar S.V.
, Parmon V.N.
Water Photo-Oxidation Sensitized by Zinc(II) Meso- Tetrakis(N-methyl-4-pyridyl)porphine
Journal of Photochemistry and Photobiology A: Chemistry. 1991. V.56. N2-3. P.275-285. DOI: 10.1016/1010-6030(91)80028-G WOS Scopus РИНЦ
Water Photo-Oxidation Sensitized by Zinc(II) Meso- Tetrakis(N-methyl-4-pyridyl)porphine
Journal of Photochemistry and Photobiology A: Chemistry. 1991. V.56. N2-3. P.275-285. DOI: 10.1016/1010-6030(91)80028-G WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 31 янв. 1990 г. |
Принята к публикации: | 8 июн. 1990 г. |
Опубликована в печати: | 15 февр. 1991 г. |
Опубликована online: | 8 нояб. 2001 г. |
Идентификаторы БД:
Web of science | WOS:A1991FA11300014 |
Scopus | 2-s2.0-0013026938 |
РИНЦ | 30858569 |
Chemical Abstracts | 1991:196162 |
Chemical Abstracts (print) | 114:196162 |
OpenAlex | W1999601812 |