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Promoting heterogeneous catalysis beyond catalyst design

Abstract

Despite the indisputable success of conventional approaches to manipulate the performance of heterogeneous catalysts by tuning the composition and structure of active sites, future research on catalysis engineering will likely go beyond the catalyst itself. Recently, several auxiliary promotion methods, either promoting the activity of reagents or enabling optimized adsorbate-catalyst interactions, have been proven as viable strategies to enhance catalytic reactions. Those auxiliary promotion methods range from electric/magnetic fields, electric potentials to mechanic stress, significantly altering the properties of reagent molecules and/or the surface characteristics of nanostructured catalysts. Apart from static enhancement effects, they in principle also allow for the spatially and temporally variable modification of catalyst surfaces. While some of those methods have been demonstrated, some are only theoretically predicted opening exciting potential for future experimental advances. Beside fundamental descriptions and comparisons of each activation method, in this perspective we plan to provide examples for the applications of those techniques for a variety of catalytic reactions as diverse as N2 and CO2 hydrogenation as well as electrochemical water splitting. Finally, we provide a unifying view and guidelines for future research into the use of promotion methods, generating deeper understanding of the complex dynamics on the nanoparticle surface under auxiliary promotion and the expansion of auxiliary techniques to different sustainability-related reactions.

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Article information


Submitted
24 Nov 2019
Accepted
12 Jan 2020
First published
14 Jan 2020

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2020, Accepted Manuscript
Article type
Perspective

Promoting heterogeneous catalysis beyond catalyst design

M. Huelsey, C. W. Lim and N. Yan, Chem. Sci., 2020, Accepted Manuscript , DOI: 10.1039/C9SC05947D

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