Size Dependent Study of MeOH Decomposition Over Size-Selected Pt Nanoparticles 
Synthesized via Micelle Encapsulation

Croy, Jason R.; Mostafa, Simon; Liu, Jing; Sohn, Yong-ho; Roldan Cuenya, Beatriz

doi:10.1007/s10562-007-9162-1

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Size Dependent Study of MeOH Decomposition Over Size-Selected Pt Nanoparticles Synthesized via Micelle Encapsulation

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Croy, J. R., Mostafa, S., Liu, J., Sohn, Y.-h., & Roldan Cuenya, B. (2007). Size Dependent Study of MeOH Decomposition Over Size-Selected Pt Nanoparticles Synthesized via Micelle Encapsulation. Catalysis Letters, 118(1-2), 1-7. doi:10.1007/s10562-007-9162-1.

Cite as: https://hdl.handle.net/21.11116/0000-0006-DA64-4

Abstract

We present here the size-dependent decomposition of methanol (MeOH) over narrowly distributed Pt nanoparticles supported on nanocrystalline anatase TiO₂ powder. Micelle encapsulation has been used to create Pt catalysts with average particle sizes of ∼4, 6, and 8 nm. A packed bed mass flow reactor and mass spectrometry were employed to quantify the catalyst’s activity and selectivity. Among the catalysts tested the smallest nanoparticles showed the best performance including an onset reaction temperature of ∼145 °C. No byproducts such as CO₂ or CH₄ were observed in the test range of 100–330 °C.