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PdPt@Au core@shell nanoparticles: Alloyed-core manipulation of CO electrocatalytic oxidation properties

Paper ID Volume ID Publish Year Pages File Format Full-Text
49696 46760 2016 4 PDF Available
Title
PdPt@Au core@shell nanoparticles: Alloyed-core manipulation of CO electrocatalytic oxidation properties
Abstract

•A series of PdPt@Au nanoparticles with uniform size and structure are fabricated.•A correlation between CO electrocatalytic oxidation and ATR-IR peak is discovered.•The core@shell samples could be more active than alloy samples in CO electroxidation.

A series of PdPt@Au core@shell nanopaticles (NPs) of similar size are synthesized with composition controlled cores and thickness controlled shells. Their CO electrocatalytic oxidation properties change with the composition of the cores, showing a volcano curve. A correlation between the properties of CO electrocatalytic oxidation and the location of adsorbed CO ATR-IR peak is discovered. Attenuated Total Reflection-Infrared Spectroscopy (ATR-IR) shows that samples which have the strongest monodentate CO are most active in CO electrocatalytic oxidation.

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Keywords
Core@shell; PdPt@Au; CO electrocatalytic oxidation; ATR-IR
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PdPt@Au core@shell nanoparticles: Alloyed-core manipulation of CO electrocatalytic oxidation properties
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 83, 5 August 2016, Pages 70–73
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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