Pd Segregation on the Surface of Bimetallic PdAu Nanoparticles Induced by Low Coverage of Adsorbed CO Научная публикация
| Журнал |
The Journal of Physical Chemistry C
ISSN: 1932-7447 , E-ISSN: 1932-7455 |
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| Вых. Данные | Год: 2019, Том: 123, Номер: 13, Страницы: 8037-8046 Страниц : 10 DOI: 10.1021/acs.jpcc.8b07402 | ||||||||
| Ключевые слова | METAL NANOPARTICLES; CATALYTIC-ACTIVITY; ADSORPTION ENERGY; SIZE-DEPENDENCE; MODEL CATALYSTS; DFT; XPS; AU; OXIDATION; CLUSTERS | ||||||||
| Авторы |
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| Организации |
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Информация о финансировании (4)
| 1 | Российский научный фонд | 14-23-00146 |
| 2 | Ministry of Education and Vocational Training | PRX17/00348 |
| 3 | Ministry of Economic Affairs and Digital Transformation | CTQ2015-64618-R |
| 4 | Government of Catalonia | 2017SGR13 |
Реферат:
For bimetallic Pd–Au/HOPG model catalysts, reversible enrichment of the surface by Pd under CO oxidation conditions was found using a near-ambient pressure X-ray photoelectron spectroscopy technique. Density functional calculations combined with calculations using the topological energy expression method were applied to reveal the mechanism of this phenomenon and to quantify the stability of different arrangements of metal atoms in bimetallic PdAu nanoparticles in the presence of CO adsorbate. According to results of this computational approach, adsorption of CO already at a rather moderate coverage is sufficient to make energetically feasible segregation of Pd at terraces of PdAu nanoparticles similar in size with experimentally studied ones.
Библиографическая ссылка:
Mamatkulov M.
, Yudanov I.V.
, Bukhtiyarov A.V.
, Prosvirin I.P.
, Bukhtiyarov V.I.
, Neyman K.M.
Pd Segregation on the Surface of Bimetallic PdAu Nanoparticles Induced by Low Coverage of Adsorbed CO
The Journal of Physical Chemistry C. 2019. V.123. N13. P.8037-8046. DOI: 10.1021/acs.jpcc.8b07402 WOS Scopus РИНЦ OpenAlex CAPlusCA
Pd Segregation on the Surface of Bimetallic PdAu Nanoparticles Induced by Low Coverage of Adsorbed CO
The Journal of Physical Chemistry C. 2019. V.123. N13. P.8037-8046. DOI: 10.1021/acs.jpcc.8b07402 WOS Scopus РИНЦ OpenAlex CAPlusCA
Даты:
| Поступила в редакцию: | 31 июл. 2018 г. |
| Принята к публикации: | 28 сент. 2018 г. |
| Опубликована online: | 16 окт. 2018 г. |
| Опубликована в печати: | 4 апр. 2019 г. |
Идентификаторы БД:
| ≡ Web of science: | WOS:000463844500052 |
| ≡ Scopus: | 2-s2.0-85056264683 |
| ≡ РИНЦ: | 38637778 |
| ≡ OpenAlex: | W2897055375 |
| ≡ Chemical Abstracts: | 2018:1938894 |
| ≡ Chemical Abstracts (print): | 170:395452 |