journal article·2015-09

High‐Indexed Pt3Fe Nanocatalysts and Their Enhanced Catalytic Performance in Dual Organic Reactions

Chenyu Wang, Cuikun Lin, Bo Zhao, Lihua Zhang, Amar Kumbhar, Guangyin Fan, Kai Sun, Jun Zhang, Shuang Chen, Jiye Fang

ChemNanoMat· Volume 1· Issue 5
Publisher page

Abstract

Abstract The synthesis of noble metal nanocrystals terminated with high‐index facets has received increasing attention due to the remarkable improvement in their catalytic performance. Introducing a transition metal to noble metals (bimetallic nanocrystals) could result in a reduced cost and potentially improve properties. Keeping in mind both of these advantages, we have developed a new synthetic approach to fabricate size‐controlled Pt3Fe concave nanocubes using a high‐temperature organic solution system containing oleylamine and oleic acid. It further demonstrates that the particle size and concavity could be controlled by a number of parameters such as the ratio of oleylamine and oleic acid, the physicochemical properties of the metal carbonyl, the metal valence in the precursor, and the ratio of metal precursors. Catalytic tests show that the high‐index‐surface‐terminated ≈12 nm Pt3Fe concave nanocubes exhibit superior performance in both the hydrogenation of styrene and reduction of 4‐nitrophenol in comparison with their counterparts.
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Research context

OpenAlex topics: Nanomaterials for catalytic reactions · Copper-based nanomaterials and applications · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry State University of New York at Binghamton Binghamton New York 13902 USA

Department of Chemistry University of South Dakota Vermillion South Dakota 57069 USA

Center for Functional Nanomaterials Brookhaven National Laboratory Upton New York 11973 USA

Chapel Hill Analytical and Nanofabrication Laboratory University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599 USA

Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province College of Chemistry and Chemical Industry China West Normal University Nanchong, Sichuan 637009 China

Department of Materials Science and Engineering University of Michigan Ann Arbor Michigan 48109 USA

College of Chemical Engineering China University of Petroleum Qingdao, Shandong 266580 China

Funding

NSF · US NSF · US DOE · Fundamental Research Funds for the Central Universities · DOE

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