Size dependent selectivity of Cu nano-octahedra catalysts for the electrochemical reduction of CO2 to CH4

Pranit Iyengar; Jianfeng Huang; Gian Luca De Gregorio; Chethana Gadiyar; Raffaella Buonsanti

doi:10.1039/C9CC02522G

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Size dependent selectivity of Cu nano-octahedra catalysts for the electrochemical reduction of CO₂ to CH₄†

Pranit Iyengar,^a Jianfeng Huang,^a Gian Luca De Gregorio,^a Chethana Gadiyar^a and Raffaella Buonsanti

*^a

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* Corresponding authors

^a Laboratory of Nanochemistry for Energy (LNCE), Institute of Chemical Science and Engineering (ISIC) Valais, École Polytechnique Fedérale de Lausanne, CH-1950 Sion, Switzerland
E-mail: raffaella.buonsanti@epfl.ch

Abstract

Octahedral Cu nanocrystals in the size range of 75–310 nm are synthesized and investigated for electrochemical CO₂ reduction. The smallest nanocrystals show the best selectivity for CO₂, particularly methane, which is explained by geometric effects.

This article is part of the themed collections: ChemComm Advisory Board 2020, 2019 Emerging Investigators and Celebrating the ChemComm Emerging Investigator Lectureship Winners

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Article information

DOI: https://doi.org/10.1039/C9CC02522G
Article type: Communication
Submitted: 01 Dzi 2019
Accepted: 29 Dzi 2019
First published: 29 Dzi 2019

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Chem. Commun., 2019,55, 8796-8799

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Size dependent selectivity of Cu nano-octahedra catalysts for the electrochemical reduction of CO₂ to CH₄

P. Iyengar, J. Huang, G. L. De Gregorio, C. Gadiyar and R. Buonsanti, Chem. Commun., 2019, 55, 8796 DOI: 10.1039/C9CC02522G

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