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Title: Tailoring Copper Nanocrystals towards C2 Products in Electrochemical CO2 Reduction

Abstract

Favoring the CO2 reduction reaction (CO2RR) over the hydrogen evolution reaction and controlling the selectivity towards multicarbon products are currently major scientific challenges in sustainable energy research. It is known that the morphology of the catalyst can modulate catalytic activity and selectivity, yet this remains a relatively underexplored area in electrochemical CO2 reduction. In this study, we exploit the material tunability afforded by colloidal chemistry to establish unambiguous structure/property relations between Cu nanocrystals and their behavior as electrocatalysts for CO2 reduction. Our study reveals a non-monotonic size-dependence of the selectivity in cube-shaped copper nanocrystals. Among 24 nm, 44 nm and 63 nm cubes tested, the cubes with 44 nm edge length exhibited the highest selectivity towards CO2RR (80 %) and faradaic efficiency for ethylene (41 %). Finally, statistical analysis of the surface atom density suggests the key role played by edge sites in CO2RR.

Authors:
 [1];  [2];  [1];  [3];  [3];  [2]; ORCiD logo [1]
  1. École Polytechnique Fédérale de Lausanne, Sion (Switzerland)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
  3. Univ. of California, Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1530238
Alternate Identifier(s):
OSTI ID: 1401425
Grant/Contract Number:  
AC02-05CH11231; SC0004993
Resource Type:
Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Name: Angewandte Chemie (International Edition); Journal Volume: 55; Journal Issue: 19; Journal ID: ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; colloidal chemistry; electrochemical CO2 reduction; nanocrystals; nanocubes; selectivity

Citation Formats

Loiudice, Anna, Lobaccaro, Peter, Kamali, Esmail A., Thao, Timothy, Huang, Brandon H., Ager, Joel W., and Buonsanti, Raffaella. Tailoring Copper Nanocrystals towards C2 Products in Electrochemical CO2 Reduction. United States: N. p., 2016. Web. doi:10.1002/anie.201601582.
Loiudice, Anna, Lobaccaro, Peter, Kamali, Esmail A., Thao, Timothy, Huang, Brandon H., Ager, Joel W., & Buonsanti, Raffaella. Tailoring Copper Nanocrystals towards C2 Products in Electrochemical CO2 Reduction. United States. https://doi.org/10.1002/anie.201601582
Loiudice, Anna, Lobaccaro, Peter, Kamali, Esmail A., Thao, Timothy, Huang, Brandon H., Ager, Joel W., and Buonsanti, Raffaella. Tue . "Tailoring Copper Nanocrystals towards C2 Products in Electrochemical CO2 Reduction". United States. https://doi.org/10.1002/anie.201601582. https://www.osti.gov/servlets/purl/1530238.
@article{osti_1530238,
title = {Tailoring Copper Nanocrystals towards C2 Products in Electrochemical CO2 Reduction},
author = {Loiudice, Anna and Lobaccaro, Peter and Kamali, Esmail A. and Thao, Timothy and Huang, Brandon H. and Ager, Joel W. and Buonsanti, Raffaella},
abstractNote = {Favoring the CO2 reduction reaction (CO2RR) over the hydrogen evolution reaction and controlling the selectivity towards multicarbon products are currently major scientific challenges in sustainable energy research. It is known that the morphology of the catalyst can modulate catalytic activity and selectivity, yet this remains a relatively underexplored area in electrochemical CO2 reduction. In this study, we exploit the material tunability afforded by colloidal chemistry to establish unambiguous structure/property relations between Cu nanocrystals and their behavior as electrocatalysts for CO2 reduction. Our study reveals a non-monotonic size-dependence of the selectivity in cube-shaped copper nanocrystals. Among 24 nm, 44 nm and 63 nm cubes tested, the cubes with 44 nm edge length exhibited the highest selectivity towards CO2RR (80 %) and faradaic efficiency for ethylene (41 %). Finally, statistical analysis of the surface atom density suggests the key role played by edge sites in CO2RR.},
doi = {10.1002/anie.201601582},
journal = {Angewandte Chemie (International Edition)},
number = 19,
volume = 55,
place = {United States},
year = {Tue Apr 05 00:00:00 EDT 2016},
month = {Tue Apr 05 00:00:00 EDT 2016}
}

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Cited by: 587 works
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Figures / Tables:

Figure-1 Figure-1: (A-C) TEM images of Cu cubes with an average edge length of 24, 44, 63 nm respectively; (D-E) TEM images of Cu spheres with an average diameter of 7.5 and 27 nm, respectively. Scale bar 50 nm. (F) Typical XRD patterns of the Cu spheres (black line) and Cumore » cubes (red line).« less

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Potential-induced nanoclustering of metallic catalysts during electrochemical CO2 reduction
journal, August 2018


Recent advances in the nanoengineering of electrocatalysts for CO 2 reduction
journal, January 2018

  • Li, Fengwang; MacFarlane, Douglas R.; Zhang, Jie
  • Nanoscale, Vol. 10, Issue 14
  • DOI: 10.1039/c7nr09620h

Cu( ii )-nanoparticle-derived structures under CO 2 reduction conditions: a matter of shape
journal, January 2019

  • Basiratnia, Amir; Rempel, Jacob; Li, Feng
  • Physical Chemistry Chemical Physics, Vol. 21, Issue 11
  • DOI: 10.1039/c8cp07891b

Selective and Efficient Reduction of Carbon Dioxide to Carbon Monoxide on Oxide-Derived Nanostructured Silver Electrocatalysts
journal, July 2016

  • Ma, Ming; Trześniewski, Bartek J.; Xie, Jie
  • Angewandte Chemie, Vol. 128, Issue 33
  • DOI: 10.1002/ange.201604654

Competition between Hydrogen Evolution and Carbon Dioxide Reduction on Copper Electrodes in Mildly Acidic Media
journal, May 2017


Promoted Iron Nanocrystals Obtained via Ligand Exchange as Active and Selective Catalysts for Synthesis Gas Conversion
journal, July 2017


Plasma-Modified Dendritic Cu Catalyst for CO2Electroreduction
journal, April 2019


Tracking a Common Surface-Bound Intermediate during CO 2 -to-Fuels Catalysis
journal, August 2016


Supramolecular Porphyrin Cages Assembled at Molecular–Materials Interfaces for Electrocatalytic CO Reduction
journal, September 2017


Operando Insight into the Correlation between the Structure and Composition of CuZn Nanoparticles and Their Selectivity for the Electrochemical CO 2 Reduction
journal, November 2019

  • Jeon, Hyo Sang; Timoshenko, Janis; Scholten, Fabian
  • Journal of the American Chemical Society, Vol. 141, Issue 50
  • DOI: 10.1021/jacs.9b10709

Active sites of copper-complex catalytic materials for electrochemical carbon dioxide reduction
journal, January 2018


Phase and structure engineering of copper tin heterostructures for efficient electrochemical carbon dioxide reduction
journal, November 2018


Carbon dioxide electroreduction to C2 products over copper-cuprous oxide derived from electrosynthesized copper complex
journal, August 2019


Efficient upgrading of CO to C3 fuel using asymmetric C-C coupling active sites
journal, November 2019


Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.