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Advanced Engineering of Core/Shell Nanostructures for Electrochemical Carbon Dioxide Reduction

Abstract

The electrochemical carbon dioxide reduction (CO2RR) into useful fuels and chemicals provides a promising avenue to relieve severe energy and environmental crises. Core/shell structures hold enormous potential for CO2RR due to the strong synergistic effect and varied electronic modification, while it still suffers from the unadequate efficiency and poor selectivity. Recent achievements reveal that the advanced engineering of core/shell structure, including strain engineering (eg, tensile or compressive strain), surface engineering (eg. surface doping; surface defect; and surface reduction) and phase engineering (eg, newly formed interface) for boosting CO2RR activity and selectivity for their powerful effect on modulating the surface environment, constructing more active sites and interfaces and optimizing conductivity. In this review, we focus on the advanced engineering of core/shell structure as a promising candidate for CO2RR. First, the wet-chemical methods for achieving core/shell structure via one-step or multi-step pathways are elaborated. Then we illustrate the important role of these three strategies on optimizing the CO2RR performance: (1) strain engineering, (2) surface engineering and (3) phase engineering. Finally, we highlighted the key issues that need to be solved and the outlook that may be useful for guiding future development of this promising field.

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Publication details

The article was received on 30 Jun 2019, accepted on 31 Jul 2019 and first published on 08 Aug 2019


Article type: Review Article
DOI: 10.1039/C9TA07016H
J. Mater. Chem. A, 2019, Accepted Manuscript

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    Advanced Engineering of Core/Shell Nanostructures for Electrochemical Carbon Dioxide Reduction

    Q. Shao, P. Wang, S. Liu and X. Huang, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA07016H

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