Shape-controlled metal nanoparticles for electrocatalytic applications

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Title: Shape-controlled metal nanoparticles for electrocatalytic applications
Authors: García Cruz, Leticia | Montiel, Vicente | Solla-Gullón, José
Research Group/s: Electroquímica Aplicada y Electrocatálisis
Center, Department or Service: Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Instituto Universitario de Electroquímica
Keywords: Silver | Nanoparticle | Biofouling
Knowledge Area: Química Física
Issue Date: 11-Aug-2018
Publisher: De Gruyter
Citation: Physical Sciences Reviews. 2018, 4(1): 20170124. doi:10.1515/psr-2017-0124
Abstract: The application of shape-controlled metal nanoparticles is profoundly impacting the field of electrocatalysis. On the one hand, their use has remarkably enhanced the electrocatalytic activity of many different reactions of interest. On the other hand, their usage is deeply contributing to a correct understanding of the correlations between shape/surface structure and electrochemical reactivity at the nanoscale. However, from the point of view of an electrochemist, there are a number of questions that must be fully satisfied before the evaluation of the shaped metal nanoparticles as electrocatalysts including (i) surface cleaning, (ii) surface structure characterization, and (iii) correlations between particle shape and surface structure. In this chapter, we will cover all these aspects. Initially, we will collect and discuss about the different practical protocols and procedures for obtaining clean shaped metal nanoparticles. This is an indispensable requirement for the establishment of correct correlations between shape/surface structure and electrochemical reactivity. Next, we will also report how some easy-to-do electrochemical experiments including their subsequent analyses can enormously contribute to a detailed characterization of the surface structure of the shaped metal nanoparticles. At this point, we will remark that the key point determining the resulting electrocatalytic activity is the surface structure of the nanoparticles (obviously, the atomic composition is also extremely relevant) but not the particle shape. Finally, we will summarize some of the most significant advances/results on the use of these shaped metal nanoparticles in electrocatalysis covering a wide range of electrocatalytic reactions including fuel cell-related reactions (electrooxidation of formic acid, methanol and ethanol and oxygen reduction) and also CO2 electroreduction.
Sponsor: The authors acknowledge financial support from the Spanish Ministry of Economy and Competitiveness (MINECO) (project CTQ2016-76231-C2-2-R (AEI/FEDER, UE)). J.S-G. also acknowledges financial support from VITC (Vicerrectorado de Investigación y Transferencia de Conocimiento) of the University of Alicante (UATALENTO16-02).
URI: http://hdl.handle.net/10045/86871
ISSN: 2365-659X
DOI: 10.1515/psr-2017-0124
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2019 Walter de Gruyter GmbH, Berlin/Boston
Peer Review: si
Publisher version: https://doi.org/10.1515/psr-2017-0124
Appears in Collections:INV - LEQA - Artículos de Revistas

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