Title

Support Dependence Of Meoh Decomposition Over Size-Selected Pt Nanoparticles

Keywords

AFM; Al O 2 3; CeO 2; Mass flow reactor; Methanol; Oxide supports; Pt nanoparticles; SiO 2; TEM; TiO 2; XPS; ZrO 2

Abstract

We present here the decomposition of methanol over Pt nanoparticles supported on a series of oxide powders. The samples tested may be roughly grouped in two categories consisting of large ( ~ 15-18 nm) and small ( ~ 8-9 nm) Pt particles deposited on reducible (CeO2, TiO2) and non-reducible (SiO2, ZrO2, Al2O3) supports. The smallest particles ( ~ 8 nm), deposited on ZrO2, were found to be cationic and the most active for the decomposition of methanol. Furthermore, the stability of metallic Pt and its oxides was observed to be dependent on the choice of support. In all Pt containing samples the reaction proceeds via he direct decomposition of methanol, as no significant amounts of by-products were detected in the experimental range of 100-300 °C. © 2007 Springer Science+Business Media, LLC.

Publication Date

12-1-2007

Publication Title

Catalysis Letters

Volume

119

Issue

3-4

Number of Pages

209-216

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1007/s10562-007-9236-0

Socpus ID

36349021356 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/36349021356

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