Highly Selective Synthesis of Catalytically Active Monodisperse Rhodium Nanocubes

Monodisperse sub-10 nm Rh nanocubes were synthesized with high selectivity (>85%) by a seedless polyol method. The {100} faces of the Rh NCs were effectively stabilized by chemically adsorbed Br− ions from trimethyl(tetradecyl)ammonium bromide (TTAB). This simple one-step polyol route can be read...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2008-05, Vol.130 (18), p.5868-5869
Main Authors: Zhang, Yawen, Grass, Michael E, Kuhn, John N, Tao, Feng, Habas, Susan E, Huang, Wenyu, Yang, Peidong, Somorjai, Gabor A
Format: Article
Language:English
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Summary:Monodisperse sub-10 nm Rh nanocubes were synthesized with high selectivity (>85%) by a seedless polyol method. The {100} faces of the Rh NCs were effectively stabilized by chemically adsorbed Br− ions from trimethyl(tetradecyl)ammonium bromide (TTAB). This simple one-step polyol route can be readily applied to the preparation of Pt and Pd nanocubes. Moreover, the organic molecules of PVP and TTAB that encapsulated the Rh nanocubes did not prevent catalytic activity for pyrrole hydrogenation and CO oxidation.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja801210s