Abstract
Platinum nanocubes and tetrahedrons/octahedrons were synthesized by different methods using different surfactants (tetradecyltrimethylammonium bromide (TTAB) and sodium polyacrylate). Transmission electron microscopy (TEM) investigations show high selectivity in shape and low size dispersion. However, the small nuclei observed at the surface of some nanocubes synthesized using the TTAB method is not yet clarified. The presence of such small particles could be explained by a double nucleation or different growth processes which might occur during synthesis. Electrochemical characterizations indicated that particles exhibited ca. 60% of oriented surface domains. Cyclic voltammetry and adatom adsorption displayed a very good agreement with TEM results.
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Urchaga, P., Baranton, S., Napporn, T.W. et al. Selective Syntheses and Electrochemical Characterization of Platinum Nanocubes and Nanotetrahedrons/Octahedrons. Electrocatal 1, 3–6 (2010). https://doi.org/10.1007/s12678-009-0002-5
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DOI: https://doi.org/10.1007/s12678-009-0002-5