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  Size-selected Pt Nanoparticles Synthesized via Micelle Encapsulation: Effect of Pretreatment and Oxidation State on the Activity for Methanol Decomposition and Oxidation

Croy, J. R., Mostafa, S., Heinrich, H., & Roldan Cuenya, B. (2009). Size-selected Pt Nanoparticles Synthesized via Micelle Encapsulation: Effect of Pretreatment and Oxidation State on the Activity for Methanol Decomposition and Oxidation. Catalysis Letters, 131(1-2), 21-32. doi:10.1007/s10562-009-0042-8.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0006-D23E-8 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-315E-8
Genre: Journal Article

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 Creators:
Croy, Jason R.1, Author
Mostafa, S.1, 2, Author
Heinrich, H.1, 3, Author
Roldan Cuenya, Beatriz1, 2, 4, Author           
Affiliations:
1Physics Department, University of Central Florida, ou_persistent22              
2Department of Civil and Environmental Engineering, University of Central Florida, Orlando, FL, 32816, USA, ou_persistent22              
3Center of Advanced Materials Processing and Characterization, University of Central Florida, Orlando, FL, 32816, USA, ou_persistent22              
4Nanoscience and Technology Center, University of Central Florida, Orlando, FL, 32816, USA, ou_persistent22              

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 Abstract: The effect of pretreatment conditions on the oxidation state and activity of micelle-synthesized Pt nanoparticles supported on ZrO2 was studied for methanol decomposition and oxidation reactions. An O2-pretreatment is observed to be effective for producing clean, stable, and active nanoparticles. Pt-oxide species formed during such pretreatments were found to have little influence in methanol decomposition reactions due to their tendency to reduce. However, these same species are stable during methanol oxidation and appear to take part in a Mars-van Krevelen-type of process, in which bound-oxygen (nanoparticle shell) may be replenished with oxygen from the gas phase.

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Language(s): eng - English
 Dates: 2009-04-282009-05-262009-06-102009-08
 Publication Status: Issued
 Pages: 12
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s10562-009-0042-8
 Degree: -

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Title: Catalysis Letters
  Abbreviation : Catal. Letters
Source Genre: Journal
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Publ. Info: New York : Springer
Pages: 12 Volume / Issue: 131 (1-2) Sequence Number: - Start / End Page: 21 - 32 Identifier: ISSN: 1011-372X
CoNE: https://pure.mpg.de/cone/journals/resource/954925586300