State of the art in the electrochemical characterization of the surface structure of shape-controlled Pt,Au, and Pd nanoparticles |
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Authors: | J Solla-Gullón Juan M Feliu |
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Institution: | Institute of Electrochemistry, University of Alicante, Apdo. 99, E-03080, Alicante, Spain |
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Abstract: | The application of shape-controlled metal nanoparticles in electrocatalysis has improved significantly the activity, selectivity, and even the stability of many relevant electrocatalytic reactions. It is well accepted that, by controlling the shape of the nanoparticles, it is possible to provide nanoparticles with a preferential surface structure. However, to fully understand the capabilities of these nanomaterials, it is extremely relevant to correlate shape, surface structure, and electrocatalytic reactivity. Particularly, establishing the correlations between surface structure and reactivity is the key point to be studied and understood. Consequently, having tools to characterize the surface structure of these nanoparticles is of critical importance. In this short review, we discuss about the progress in the in situ characterization of the surface structure of shaped Pt, Au, and Pd nanoparticles by electrochemical probes. The results here included clearly demonstrate the potentialities of the electrochemical tools to gain detailed information of the surface structure of these shaped nanomaterials. |
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Keywords: | Shaped metal nanoparticles Surface structure Electrocatalysis |
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