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Journal Article

Support Dependence of MeOH Decomposition Over Size-Selected Pt Nanoparticles

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Croy, J. R., Mostafa, S., Liu, J., Sohn, Y., Heinrich, H., & Roldan Cuenya, B. (2007). Support Dependence of MeOH Decomposition Over Size-Selected Pt Nanoparticles. Catalysis Letters, 119(3-4), 209-216. doi:10.1007/s10562-007-9236-0.

Cite as: https://hdl.handle.net/21.11116/0000-0006-DA5B-F
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.