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Topics in Catalysis
Published in: Topics in Catalysis 7-10/2012

01-07-2012 | Original Paper

Shape and Size-Tailored Pd Nanocrystals to Study the Structure Sensitivity of 2-Methyl-3-butyn-2-ol Hydrogenation: Effect of the Stabilizing Agent

Authors: Lioubov Kiwi-Minsker, Micaela Crespo-Quesada

Published in: Topics in Catalysis | Issue 7-10/2012

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Abstract

Uniform Pd nanocrystals of cubic, octahedral and cube-octahedral shapes were synthesized via a solution-phase method using two stabilizers: poly (vinyl pyrrolidone) (PVP) and di-2-ethylhexylsulfoccinate (AOT) and tested in the hydrogenation of 2-methyl-3-butyn-2-ol. The AOT-stabilized Pd nanocrystals were found to be an order of magnitude more active, but less selective than those stabilized by PVP. This could be attributed to a stronger interaction of PVP with surface Pd by adsorbed N-containing groups. The results obtained were rationalized applying a two-site Langmuir–Hinshelwood kinetic model that allowed predicting 3–4 nm cubic or octahedral nanocrystals stabilized by AOT as the optimum active phase ensuring the highest production rate of target MBE.
previous article Developments in the Pd Catalyzed Hydrogenation of Oxygenated Organic Compounds
next article Palladium Containing Catalysts Based on Hypercrosslinked Polystyrene for Selective Hydrogenation of Acetylene Alcohols

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Metadata
Title
Shape and Size-Tailored Pd Nanocrystals to Study the Structure Sensitivity of 2-Methyl-3-butyn-2-ol Hydrogenation: Effect of the Stabilizing Agent
Authors
Lioubov Kiwi-Minsker
Micaela Crespo-Quesada
Publication date
01-07-2012
Publisher
Springer US
Published in
Topics in Catalysis / Issue 7-10/2012
Print ISSN: 1022-5528
Electronic ISSN: 1572-9028
DOI
https://doi.org/10.1007/s11244-012-9815-1

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