Low-Temperature CO Adsorption on Cu2+/TiO2 Catalysts Научная публикация
Журнал |
Applied Surface Science
ISSN: 0169-4332 |
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Вых. Данные | Год: 1992, Том: 55, Номер: 1, Страницы: 49-55 Страниц : 7 DOI: 10.1016/0169-4332(92)90380-G | ||||
Ключевые слова | Adsorption--Low Temperature Effects; Carbon Monoxide--Adsorption; Chemical Reactions--Thermodynamics; Spectroscopy, Infrared--Applications; Surfaces--Spectroscopic Analysis | ||||
Авторы |
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Организации |
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Реферат:
Low-temperature CO adsorption on a Cu2+/TiO2 catalyst prepared by ion exchange is studied by IR spectroscopy. It is established that adsorption of CO at 77 K results in formation of Cu2+-CO carbonyls differing in the localization of the Cu2+ ions on the anatase faces. The increase of temperature in a CO atmosphere causes reduction of Cu2+, only Cu+-CO being observed at room temperature. CO adsorption at 293 K is accompanied by rapid reduction of copper(II) ions. A strong effect of anatase on the adsorbed copper ions, resulting in stabilization of their divalent state at 77 K, is established.
Библиографическая ссылка:
Kantcheva M.M.
, Hadjiivanov K.I.
, Davydov A.A.
, Budneva A.A.
Low-Temperature CO Adsorption on Cu2+/TiO2 Catalysts
Applied Surface Science. 1992. V.55. N1. P.49-55. DOI: 10.1016/0169-4332(92)90380-G WOS Scopus РИНЦ
Low-Temperature CO Adsorption on Cu2+/TiO2 Catalysts
Applied Surface Science. 1992. V.55. N1. P.49-55. DOI: 10.1016/0169-4332(92)90380-G WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 26 июн. 1991 г. |
Принята к публикации: | 6 сент. 1991 г. |
Опубликована в печати: | 1 янв. 1992 г. |
Опубликована online: | 3 окт. 2002 г. |
Идентификаторы БД:
Web of science | WOS:A1992HB57900006 |
Scopus | 2-s2.0-0027107131 |
РИНЦ | 28666885 |
Chemical Abstracts | 1992:136847 |
Chemical Abstracts (print) | 116:136847 |
OpenAlex | W1986904511 |