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Title: Electrocatalytic Activity and Stability Enhancement through Preferential Deposition of Phosphide on Carbide

Abstract

Abstract Phosphides and carbides are among the most promising families of materials based on earth‐abundant elements for renewable energy conversion and storage technologies such as electrochemical water splitting, batteries, and capacitors. Nickel phosphide and molybdenum carbide in particular have been extensively investigated for electrochemical water splitting. However, a composite of the two compounds has not been explored. Here, we demonstrate preferential deposition of nickel phosphide on molybdenum carbide in the presence of carbon by using a hydrothermal synthesis method. We employ the hydrogen evolution reaction in acid and base to analyze the catalytic activity of phosphide‐deposited carbide. The composite material also shows superior electrochemical stability in comparison to unsupported phosphide. We anticipate that the enhanced electrochemical activity and stability of carbide deposited with phosphide will stimulate investigations into the preparation of other carbide–phosphide composite materials.

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [1]; ORCiD logo [1]
  1. Center for Renewable Carbon University of Tennessee Knoxville Tennessee 37996 USA
  2. Bredesen Center for Interdisciplinary Research and Education Knoxville Tennessee 37996 USA, Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA
  3. Department of Chemical and Biomolecular Engineering University of Tennessee Knoxville Tennessee 37996 USA
  4. Department of Chemistry and Vanderbilt Institute of Nanoscale Science and Engineering Vanderbilt University Nashville Tennessee 37240 USA
  5. Chemical and Biomolecular Engineering Vanderbilt University Nashville TN 37235 USA
  6. Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA, Department of Chemical and Biomolecular Engineering University of Tennessee Knoxville Tennessee 37996 USA
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1400596
Grant/Contract Number:  
NE0000693 12-3528
Resource Type:
Journal Article: Publisher's Accepted Manuscript
Journal Name:
ChemCatChem
Additional Journal Information:
Journal Name: ChemCatChem Journal Volume: 9 Journal Issue: 6; Journal ID: ISSN 1867-3880
Publisher:
Wiley Blackwell (John Wiley & Sons)
Country of Publication:
Germany
Language:
English

Citation Formats

Regmi, Yagya N., Roy, Asa, Goenaga, Gabriel A., McBride, James R., Rogers, Bridget. R., Zawodzinski, Jr., Thomas A., Labbé, Nicole, and Chmely, Stephen C. Electrocatalytic Activity and Stability Enhancement through Preferential Deposition of Phosphide on Carbide. Germany: N. p., 2017. Web. doi:10.1002/cctc.201601477.
Regmi, Yagya N., Roy, Asa, Goenaga, Gabriel A., McBride, James R., Rogers, Bridget. R., Zawodzinski, Jr., Thomas A., Labbé, Nicole, & Chmely, Stephen C. Electrocatalytic Activity and Stability Enhancement through Preferential Deposition of Phosphide on Carbide. Germany. https://doi.org/10.1002/cctc.201601477
Regmi, Yagya N., Roy, Asa, Goenaga, Gabriel A., McBride, James R., Rogers, Bridget. R., Zawodzinski, Jr., Thomas A., Labbé, Nicole, and Chmely, Stephen C. 2017. "Electrocatalytic Activity and Stability Enhancement through Preferential Deposition of Phosphide on Carbide". Germany. https://doi.org/10.1002/cctc.201601477.
@article{osti_1400596,
title = {Electrocatalytic Activity and Stability Enhancement through Preferential Deposition of Phosphide on Carbide},
author = {Regmi, Yagya N. and Roy, Asa and Goenaga, Gabriel A. and McBride, James R. and Rogers, Bridget. R. and Zawodzinski, Jr., Thomas A. and Labbé, Nicole and Chmely, Stephen C.},
abstractNote = {Abstract Phosphides and carbides are among the most promising families of materials based on earth‐abundant elements for renewable energy conversion and storage technologies such as electrochemical water splitting, batteries, and capacitors. Nickel phosphide and molybdenum carbide in particular have been extensively investigated for electrochemical water splitting. However, a composite of the two compounds has not been explored. Here, we demonstrate preferential deposition of nickel phosphide on molybdenum carbide in the presence of carbon by using a hydrothermal synthesis method. We employ the hydrogen evolution reaction in acid and base to analyze the catalytic activity of phosphide‐deposited carbide. The composite material also shows superior electrochemical stability in comparison to unsupported phosphide. We anticipate that the enhanced electrochemical activity and stability of carbide deposited with phosphide will stimulate investigations into the preparation of other carbide–phosphide composite materials.},
doi = {10.1002/cctc.201601477},
url = {https://www.osti.gov/biblio/1400596}, journal = {ChemCatChem},
issn = {1867-3880},
number = 6,
volume = 9,
place = {Germany},
year = {Tue Feb 14 00:00:00 EST 2017},
month = {Tue Feb 14 00:00:00 EST 2017}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at https://doi.org/10.1002/cctc.201601477

Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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