Exposed Facets-Dependent Catalytic Properties of Nanocrystals: Noble Metals (Pd, Pt, and Au) and Oxides of First Row d-Block Elements
This review focuses on the recent progress in shape-controlled synthesis and exposed facets-dependent catalytic properties of widely used nanostructured noble metals (Pd, Pt, and Au), bimetallic alloys involving one noble metal, and oxides of first row d-block elements such as titanium oxide (TiO2), vanadium oxide (V2O5), chromium oxide (Cr2O3), manganese oxide (MnO2), iron oxide (Fe2O3), cobalt oxide (Co3O4), nickel oxide (NiO), copper oxide (Cu2O), and zinc oxide (ZnO). The major emphasis is given on the role of shape-controlling agents and experimental parameters to control the exposed facets of the nanocrystals. The importance of different high-index and high-energy exposed facets of noble metals and metal oxides with larger number of unsaturated atoms, edges, vertices, in different catalytic applications is presented. Furthermore, the synergy of both low-energy and high-energy exposed facets for efficient electron–hole separation for enhanced photocatalytic activity is discussed.
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Document Type: Research Article
Affiliations: Materials Science Centre, Indian Institute of Technology Kharagpur, West Bengal 721302, India
Publication date: January 1, 2019
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