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Basic Sites on the Oxide Surfaces: Their Effect on the Catalytic Methane Coupling Научная публикация

Общее Язык: Английский, Жанр: Статья (Full article),
Статус опубликования: Опубликована, Оригинальность: Оригинальная
Конференция 2nd Workshop on C1-C3 Hydrocarbon Conversion
27-30 июн. 1994 , Krasnoyarsk
Журнал Catalysis Today
ISSN: 0920-5861 , E-ISSN: 1873-4308
Вых. Данные Год: 1995, Том: 24, Номер: 3, Страницы: 225-230 Страниц : 6 DOI: 10.1016/0920-5861(95)00029-F
Ключевые слова PROMOTED MAGNESIUM-OXIDE; OXIDATIVE DIMERIZATION; SPECTROSCOPY
Авторы Davydov A.A. 1 , Shepotko M.L. 2 , Budneva A.A. 1
Организации
1 Boreskov Institute of Catalysis, Novosibirsk, Russia
2 Institute of Solid State Chemistry, Novosibirsk, Russia

Реферат: Basic sites of various oxide catalysts for oxidative methane coupling have been studied with the IR spectra of CO2 probe molecules. It is possible to determine the concentration and strength of surface basic sites, by studying carbonate compounds, which form on surface oxygen sites. Since the surface structure is non-uniform, its oxygen ions carry different negative effective charges and thus produce carbonates, exhibiting different IR spectra. A correlation between the site strengths and carbonates' spectral behavior, found earlier, allows us to distinguish the sites rather well. The catalytic activity of oxide catalysts was found to depend on the presence and concentration of the strongest basic sites on the oxide surface.
Библиографическая ссылка: Davydov A.A. , Shepotko M.L. , Budneva A.A.
Basic Sites on the Oxide Surfaces: Their Effect on the Catalytic Methane Coupling
Catalysis Today. 1995. V.24. N3. P.225-230. DOI: 10.1016/0920-5861(95)00029-F WOS Scopus РИНЦ
Даты:
Опубликована в печати: 23 июн. 1995 г.
Опубликована online: 20 янв. 2000 г.
Идентификаторы:
Web of science WOS:A1995RG52900004
Scopus 2-s2.0-0000958953
РИНЦ 30875998
Chemical Abstracts 1995:596234
Chemical Abstracts (print) 123:59483
Альметрики: