Synthesis, Characterization, and Sulfur Tolerance of Pt−MoOx Catalysts Prepared from Pt−Mo Alloy Precursors Научная публикация
| Журнал |
The Journal of Physical Chemistry C
ISSN: 1932-7447 , E-ISSN: 1932-7455 |
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| Вых. Данные | Год: 2007, Том: 111, Номер: 40, Страницы: 14790-14798 Страниц : 9 DOI: 10.1021/jp073410j | ||||
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Реферат:
Novel Pt−MoOx catalytic systems were prepared by the oxidation−reduction of Pt−Mo alloy precursors with different metal contents. According to XRD, SEM, and TEM data, oxidation at 550 °C led to the destruction of initial alloys and the formation of molybdenum oxide and metallic platinum particles. As evidenced by TPR H2, adsorption measurements, and in situ XRD analysis, during reduction in the presence of Pt, molybdenum oxide can trap hydrogen already at ambient temperature with the formation of molybdenum oxide hydroxide or molybdenum bronzes. In contrast to initial alloys, the oxidized systems showed significant catalytic activity in toluene hydrogenation. The results suggested that both metallic platinum and molybdenum oxide contribute to this activity. The sulfur resistance test revealed that Pt−MoOx systems had an enhanced tolerance to sulfur contained in the feed.
Библиографическая ссылка:
Zosimova P.A.
, Smirnov A.V.
, Nesterenko S.N.
, Yuschenko V.V.
, Sinkler W.
, Kocal J.
, Holmgren J.
, Ivanova I.I.
Synthesis, Characterization, and Sulfur Tolerance of Pt−MoOx Catalysts Prepared from Pt−Mo Alloy Precursors
The Journal of Physical Chemistry C. 2007. V.111. N40. P.14790-14798. DOI: 10.1021/jp073410j WOS Scopus OpenAlex
Synthesis, Characterization, and Sulfur Tolerance of Pt−MoOx Catalysts Prepared from Pt−Mo Alloy Precursors
The Journal of Physical Chemistry C. 2007. V.111. N40. P.14790-14798. DOI: 10.1021/jp073410j WOS Scopus OpenAlex
Идентификаторы БД:
| Web of science: | WOS:000249986600030 |
| Scopus: | 2-s2.0-35548982707 |
| OpenAlex: | W2024426504 |