In situ Synthesis and Catalytic Activity in CO Oxidation of Metal Nanoparticles Supported on Porous Nanocrystalline Silicon Научная публикация
Журнал |
Journal of Catalysis
ISSN: 0021-9517 , E-ISSN: 1090-2694 |
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Вых. Данные | Год: 2010, Том: 271, Номер: 1, Страницы: 59-66 Страниц : 8 DOI: 10.1016/j.jcat.2010.02.002 | ||||||||
Ключевые слова | CO oxidation, Metal nanoparticles, Nanocrystalline silicon, Porous silicon, Pt catalyst | ||||||||
Авторы |
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Организации |
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Информация о финансировании (1)
1 | Engineering and Physical Sciences Research Council | EP/E012183/1 |
Реферат:
Reactive surface of mesoporous nanocrystalline silicon was used to synthesise noble metal nanoparticles via in situ reduction of the precursor salt solutions. The synthetic methodology for metal nanoparticle formation was systematically developed, and reaction conditions of metal salts reduction were optimised to prepare nanoparticles of controlled size distribution in the order 5–10 nm inside the mesoporous silicon template. CO oxidation was used as a test reaction for the synthesised Pt/porous silicon catalysts. Sharp reaction light-off was observed at about 120 °C on the optimised catalysts. The catalysts were shown to be stable in the extended steady-state runs and in the catalysts re-use experiments. Metal nanoparticles were shown to be stable to sintering at elevated temperatures up to 1000 °C. However, after thermal treatment on air, Pt nanoparticles were covered by a SiOx layer and were less active in CO oxidation.
Библиографическая ссылка:
Polisski S.
, Goller B.
, Wilson K.
, Kovalev D.
, Zaikowskii V.
, Lapkin A.
In situ Synthesis and Catalytic Activity in CO Oxidation of Metal Nanoparticles Supported on Porous Nanocrystalline Silicon
Journal of Catalysis. 2010. V.271. N1. P.59-66. DOI: 10.1016/j.jcat.2010.02.002 WOS Scopus РИНЦ
In situ Synthesis and Catalytic Activity in CO Oxidation of Metal Nanoparticles Supported on Porous Nanocrystalline Silicon
Journal of Catalysis. 2010. V.271. N1. P.59-66. DOI: 10.1016/j.jcat.2010.02.002 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 4 нояб. 2009 г. |
Принята к публикации: | 1 февр. 2010 г. |
Опубликована online: | 5 мар. 2010 г. |
Опубликована в печати: | 12 апр. 2010 г. |
Идентификаторы БД:
Web of science | WOS:000277217500007 |
Scopus | 2-s2.0-77950219493 |
РИНЦ | 15317323 |
Chemical Abstracts | 2010:375873 |
Chemical Abstracts (print) | 152:553421 |
OpenAlex | W2130574395 |