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Exposed Facets-Dependent Catalytic Properties of Nanocrystals: Noble Metals (Pd, Pt, and Au) and Oxides of First Row d-Block Elements

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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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Keywords: Bimetallic Alloys; Facets-Controlled Synthesis; High-Index Facets; Metal Oxides; Nanocrystals; Noble Metals; Photocatalysts

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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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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