Action Spectra and the Mechanism of Photoinduced Formation of Hydrogen and Oxygen on Potassium Niobates Научная публикация
Журнал |
High Energy Chemistry
ISSN: 0018-1439 |
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Вых. Данные | Год: 2009, Том: 43, Номер: 1, Страницы: 34-37 Страниц : 4 DOI: 10.1134/S0018143909010056 | ||
Ключевые слова | Spectral Dependence; Action Spectrum; High Energy Chemistry; Effective Quantum Yield; Hydrogen Evolution Rate | ||
Авторы |
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Организации |
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Реферат:
Powdered samples of complex oxides-potassium niobates with a layered structure were prepared via high-temperature synthesis followed by grinding. The action spectra of photoinduced processes on potassium niobates with different phase compositions in aqueous and aquo-organic systems were determined. It was shown that the evolution of oxygen was due to its photodesorption and occurred upon illumination with light at an energy near the edge of intrinsic niobate absorption. The formation of hydrogen in aqueous systems is due to the photocatalytic dehydrogenation of trace organic compounds adsorbed on potassium niobate, rather than to the photodecomposition of water. The quantum efficiency of the photocatalytic dehydrogenation increased by an order of magnitude when hydrogen-containing organic compounds were added to the reaction mixture.
Библиографическая ссылка:
Zakharenko V.S.
, Bogdanov S.V.
Action Spectra and the Mechanism of Photoinduced Formation of Hydrogen and Oxygen on Potassium Niobates
High Energy Chemistry. 2009. V.43. N1. P.34-37. DOI: 10.1134/S0018143909010056 WOS Scopus РИНЦ
Action Spectra and the Mechanism of Photoinduced Formation of Hydrogen and Oxygen on Potassium Niobates
High Energy Chemistry. 2009. V.43. N1. P.34-37. DOI: 10.1134/S0018143909010056 WOS Scopus РИНЦ
Оригинальная версия:
Захаренко В.С.
, Богданов С.В.
Спектры действия и механизм фотоиндуцированного образования водорода и кислорода на ниобатах калия
Химия высоких энергий. 2009. Т.43. №1. С.37-40. РИНЦ
Спектры действия и механизм фотоиндуцированного образования водорода и кислорода на ниобатах калия
Химия высоких энергий. 2009. Т.43. №1. С.37-40. РИНЦ
Даты:
Поступила в редакцию: | 29 февр. 2008 г. |
Принята к публикации: | 7 июл. 2008 г. |
Опубликована в печати: | 1 янв. 2009 г. |
Опубликована online: | 8 февр. 2009 г. |
Идентификаторы БД:
Web of science | WOS:000263160400005 |
Scopus | 2-s2.0-59849087700 |
РИНЦ | 13614607 |
Chemical Abstracts | 2009:162267 |
Chemical Abstracts (print) | 152:203020 |
OpenAlex | W2041550770 |
Цитирование в БД:
Пока нет цитирований