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  The surface state and catalytic properties of Pt black after O2-H2 cycles

Paál, Z., Schlögl, R., & Ertl, G. (1992). The surface state and catalytic properties of Pt black after O2-H2 cycles. Catalysis Letters, 12(4), 331-344. doi:10.1007/BF00765062.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-2259-F Version Permalink: https://hdl.handle.net/21.11116/0000-0008-F8F8-9
Genre: Journal Article

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 Creators:
Paál, Zoltán1, Author           
Schlögl, Robert1, Author           
Ertl, Gerhard2, Author           
Affiliations:
1Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
2Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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Free keywords: XPS of Pt black catalyst; UPS of Pt black catalyst; surface state of Pt black; catalytic properties of Pt black Platinum in Catalysis
 Abstract: XPS and UPS of a Pt black catalyst after customary H2-O2 regeneration shows considerable amounts of residual C as well as surface OH/H2O species. Surface C could not be removed even by O2 at 800 K. Oxygenates are stable even after H2 treatment up to 750 K. Their chemical state has been tentatively identified by comparing XPS and UPS results. Catalytic transformations of n-hexane on Pt black treated analogously is reported and the effect of surface species on catalytic properties discussed. Possible consequences of the presence of stable surface OH/H2O species on H2-O2 titrations are mentioned.

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Language(s): eng - English
 Dates: 1992
 Publication Status: Issued
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1007/BF00765062
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Title: Catalysis Letters
  Alternative Title : Catal. Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 12 (4) Sequence Number: - Start / End Page: 331 - 344 Identifier: -