Unusual Behavior of Nanocrystalline Strontium Oxide toward Hydrogen Sulfide Научная публикация
Журнал |
Journal of Nanoparticle Research
ISSN: 1388-0764 , E-ISSN: 1572-896X |
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Вых. Данные | Год: 2002, Том: 4, Номер: 4, Страницы: 357-366 Страниц : 10 DOI: 10.1023/A:1021168927908 | ||||
Ключевые слова | Destructive adsorption, Hydrogen sulfide, Nanoparticles, Strontium oxide, Surface area | ||||
Авторы |
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Организации |
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Информация о финансировании (1)
1 | National Science Foundation |
Реферат:
The thermodynamically favored reaction of solid strontium oxide with gaseous hydrogen sulfide is kinetically enhanced to a large degree by the use of higher surface area nanocrystalline SrO in the form of brush-like collections of metal oxide fibers. An unusual feature is that the reaction SrO + H2S → SrS + H2O proceeds stoichiometrically at room temperature, but at higher temperatures the reaction efficiency goes down, apparently due to rapid temperature induced crystal growth of the nanocrystalline SrO. The samples studied vary in crystallite size from 20 to 27 nm, while average particle size (nanocrystal aggregates) varies in the following order; aerogel prepared SrO (∼100 nm) <conventionally prepared SrO (∼500 nm) <commercial SrO (1000 nm).
Библиографическая ссылка:
Medine G.M.
, Klabunde K.J.
, Zaikovskii V.
Unusual Behavior of Nanocrystalline Strontium Oxide toward Hydrogen Sulfide
Journal of Nanoparticle Research. 2002. V.4. N4. P.357-366. DOI: 10.1023/A:1021168927908 WOS Scopus РИНЦ
Unusual Behavior of Nanocrystalline Strontium Oxide toward Hydrogen Sulfide
Journal of Nanoparticle Research. 2002. V.4. N4. P.357-366. DOI: 10.1023/A:1021168927908 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 4 дек. 2001 г. |
Принята к публикации: | 12 июн. 2002 г. |
Опубликована в печати: | 1 авг. 2002 г. |
Идентификаторы БД:
Web of science | WOS:000179311900009 |
Scopus | 2-s2.0-0036441050 |
РИНЦ | 13412966 |
Chemical Abstracts | 2002:877076 |
Chemical Abstracts (print) | 138:347972 |
OpenAlex | W3901557 |