title: Shape-Controlled Metal Nanocrystals for Heterogeneous Catalysis.
abstract: The ability to control the shape of metal nanocrystals allows us to not only maneuver their physicochemical properties but also optimize their activity in a variety of applications. Heterogeneous catalysis, in particular, would benefit tremendously from the availability of metal nanocrystals with controlled shapes and well-defined facets or surface structures. The immediate benefits may include significant enhancements in catalytic activity and/or selectivity along with reductions in the materials cost. We provide a brief account of recent progress in the development of metal nanocrystals with controlled shapes and thereby enhanced catalytic performance for several reactions, including formic acid oxidation, oxygen reduction, and hydrogenation. In addition to monometallic nanocrystals, we also cover a bimetallic system, in which the two metals are formulated as alloyed, core-shell, or core-frame structures. We hope this article will provide further impetus for the development of next-generation heterogeneous catalysts essential to a broad range of applications.
authors.affiliation: School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332; email: younan.xia@bme.gatech.edu.
authors.forename: Aleksey
authors.initials: A
authors.lastname: Ruditskiy
authors.affiliation: School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332; email: younan.xia@bme.gatech.edu.
authors.forename: Hsin-Chieh
authors.initials: HC
authors.lastname: Peng
authors.affiliation: School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332; email: younan.xia@bme.gatech.edu.|The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia 30332.|School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332.
authors.forename: Younan
authors.initials: Y
authors.lastname: Xia
mesh_terms: D002384:Catalysis; D005561:Formates / Q000737:chemistry; D007700:Kinetics; D053768:Metal Nanoparticles / Q000737:chemistry*; D010084:Oxidation-Reduction; D010316:Particle Size; D013499:Surface Properties; D013816:Thermodynamics
chemical_list: D005561:Formates; C030544:formic acid
keywords: facet control; formic acid oxidation; hydrogenation; oxygen reduction