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Shape effect of Pt nanocrystals on electrocatalytic hydrogenation

Paper ID Volume ID Publish Year Pages File Format Full-Text
51822 46855 2009 4 PDF Available
Title
Shape effect of Pt nanocrystals on electrocatalytic hydrogenation
Abstract

Shape-controlled platinum nanocrystals have various surface atomic structures depending on their shapes. We used cubic, cuboctahedra, and dendritic Pt nanoparticles to investigate the effect of shape on selectivity in electrocatalytic reactions. As a model reaction, we used electrocatalytic hydrogenation of 2-cyclohexenone. The surface-capping agents of the nanoparticles were removed by electrochemical activation, and subsequently each shape of nanoparticle exhibited characteristic H adsorption/desorption peaks consistent with the corresponding single-crystalline surface. 2-Cyclohexenone was electrocatalytically hydrogenated to cyclohexanone and cyclohexanol, and the selectivity showed a dependence on the shape of the nanocrystals, resulting from the distinct surface atomic structures.

Keywords
Platinum; Nanoparticles; 2-Cyclohexenone; Electrocatalytic hydrogenation; Shape; Selectivity
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 1, 10 October 2009, Pages 7–10
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us