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Adsorption of Carbon Monoxide on Manganese-Promoted Rhodium/Silica Catalysts as Studied by Infrared Spectroscopy Научная публикация

Журнал Journal of Physical Chemistry (up to 1996)
ISSN: 0022-3654
Вых. Данные Год: 1990, Том: 94, Номер: 4, Страницы: 1576-1581 Страниц : 6 DOI: 10.1021/j100367a066
Авторы Stevenson S.A. 1,2 , Lisitsyn A. 1,3 , Knözinger H. 1
Организации
1 Institut fur Physikalische Chemie der Universitat Munchen, Sophienstrasse 11, 8000 Munchen 2, FRG
2 Central Research Laboratory, Mobil Research and Development, Princeton, NJ 08540
3 Institute of Catalysis, Novosibirsk, USSR

Информация о финансировании (4)

1 North Atlantic Treaty Organization
2 National Science Foundation
3 German Research Foundation
4 Verband der Chemischen Industrie

Реферат: Infrared spectroscopy was used to study the adsorption of carbon monoxide on silica-supported rhodium catalysts promoted with manganese oxide. Addition of the promoter suppressed overall adsorption, weakened the adsorption of the linear CO species, and created a broad new absorption band with a maximum near 1715 cm-1; this new low-frequency band is thought to be due to a tilted Rh-C-O-Mn species. On the promoted catalyst both the new low-frequency species and the linear CO species react with hydrogen much more rapidly than does the linear species on the unpromoted catalyst Additionally the promoted catalyst does not chemisorb CO at 80 K; adsorption on this catalyst is an activated process, and maximum adsorption is observed only when the sample is exposed to CO at 373 K. This increase in adsorption is believed to be caused by a reconstruction of the manganese oxide overlayer.
Библиографическая ссылка: Stevenson S.A. , Lisitsyn A. , Knözinger H.
Adsorption of Carbon Monoxide on Manganese-Promoted Rhodium/Silica Catalysts as Studied by Infrared Spectroscopy
Journal of Physical Chemistry (up to 1996). 1990. V.94. N4. P.1576-1581. DOI: 10.1021/j100367a066 WOS Scopus РИНЦ CAPlusCA OpenAlex
Даты:
Поступила в редакцию: 22 мая 1989 г.
Опубликована в печати: 22 февр. 1990 г.
Опубликована online: 1 мая 2002 г.
Идентификаторы БД:
Web of science: WOS:A1990CP90300066
Scopus: 2-s2.0-33751553930
РИНЦ: 26553548
Chemical Abstracts: 1990:105759
Chemical Abstracts (print): 112:105759
OpenAlex: W2050713404
Цитирование в БД:
БД Цитирований
Web of science 47
Scopus 53
РИНЦ 52
OpenAlex 47
Альметрики: