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  Factors and Dynamics of Cu Nanocrystal Reconstruction under CO2 Reduction

Osowiecki, W. T., Nussbaum, J. J., Kamat, G. A., Katsoukis, G., Ledendecker, M., Frei, H., et al. (2019). Factors and Dynamics of Cu Nanocrystal Reconstruction under CO2 Reduction. ACS Applied Energy Materials, 2(11), 7744-7749. doi:10.1021/acsaem.9b01714.

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 Creators:
Osowiecki, Wojciech T.1, 2, Author
Nussbaum, Jasper J.1, Author
Kamat, Gaurav A.1, 3, Author
Katsoukis, Georgios2, Author
Ledendecker, Marc4, Author              
Frei, Heinz2, Author
Bell, Alexis T.3, 5, Author
Alivisatos, A. Paul1, 2, 6, 7, Author
Affiliations:
1Department of Chemistry, University of California, Berkeley, California 94720, United States, ou_persistent22              
2Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States, ou_persistent22              
3Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States, ou_persistent22              
4Electrocatalysis, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863354              
5Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States, ou_persistent22              
6Department of Materials Science and Engineering, University of California, Berkeley, California 94720, United States, ou_persistent22              
7Kavli Energy NanoScience Institute, Berkeley, California 94720, United States, ou_persistent22              

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Free keywords: Carbon dioxide; Computer aided analysis; Nanocatalysts; Nanocrystals; Particle size; Particle size analysis; Reaction intermediates; Sintering; Spectroscopic analysis, Catalyst reconstruction; CO2 reduction; Cu nanocrystals; Declustering; Morphological changes, Copper
 Abstract: Cu nanocrystals as catalysts for CO2 reduction are a subject of considerable contemporary interest, but their stability has not been considered as extensively. Herein, we report on the reconstruction of Cu nanocrystals during CO2 reduction and discuss the factors influencing the observed changes with computer-based quantitative analysis and spectroscopic techniques. The timelines of opposing phenomena, sintering and declustering, previously reported separately, are detailed with a focus on two forces affecting the final morphology: Applied potential and reaction intermediates. This intriguing system demonstrates the need for fundamental understanding of catalyst behavior preceding the ability to control its performance. Copyright © 2019 American Chemical Society.

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Language(s): eng - English
 Dates: 2019-11-25
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1021/acsaem.9b01714
 Degree: -

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Title: ACS Applied Energy Materials
  Abbreviation : ACS Appl. Energy Mater.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 2 (11) Sequence Number: - Start / End Page: 7744 - 7749 Identifier: ISSN: 02574-0962
CoNE: https://pure.mpg.de/cone/journals/resource/2574-0962