XPS/STM Study of Model Bimetallic Pd–Au/HOPG Catalysts Научная публикация
Журнал |
Applied Surface Science
ISSN: 0169-4332 |
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Вых. Данные | Год: 2016, Том: 367, Страницы: 214-221 Страниц : 8 DOI: 10.1016/j.apsusc.2016.01.173 | ||||
Ключевые слова | Alloyed particles, Model catalysts, Pd-Au bimetallic system, Scanning tunneling microscopy, X-ray photoelectron spectroscopy | ||||
Авторы |
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Организации |
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Реферат:
The preparation of model bimetallic Pd–Au/HOPG catalysts has been investigated using scanning tunneling microscopy (STM) and X-ray photoelectron spectroscopy (XPS) techniques. Initially, model “core–shell” type Pd–Au/HOPG catalysts with similar particle size distribution (5–8 nm), but with different densities of particle locations on the HOPG surface and Pd/Au atomic ratios are prepared. Further, their thermal stability is studied within a temperature range of 50–500 °C at UHV conditions. It has been shown that annealing the model catalysts at a temperature range of 300–400 °C leads to formation of Pd–Au alloyed particles. Enhancement of heating temperature up to 500 °C results in sintering of bimetallic nanoparticles. Contribution of different parameters controlling the properties of Pd–Au alloyed particles has been discussed
Библиографическая ссылка:
Bukhtiyarov A.V.
, Prosvirin I.P.
, Bukhtiyarov V.I.
XPS/STM Study of Model Bimetallic Pd–Au/HOPG Catalysts
Applied Surface Science. 2016. V.367. P.214-221. DOI: 10.1016/j.apsusc.2016.01.173 WOS Scopus РИНЦ CAPlusCA OpenAlex
XPS/STM Study of Model Bimetallic Pd–Au/HOPG Catalysts
Applied Surface Science. 2016. V.367. P.214-221. DOI: 10.1016/j.apsusc.2016.01.173 WOS Scopus РИНЦ CAPlusCA OpenAlex
Даты:
Поступила в редакцию: | 14 окт. 2015 г. |
Принята к публикации: | 20 янв. 2016 г. |
Опубликована online: | 21 янв. 2016 г. |
Опубликована в печати: | 30 мар. 2016 г. |
Идентификаторы БД:
Web of science: | WOS:000372519300028 |
Scopus: | 2-s2.0-84959352141 |
РИНЦ: | 26971345 |
Chemical Abstracts: | 2016:132248 |
Chemical Abstracts (print): | 164:308754 |
OpenAlex: | W2295722327 |