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Title: Random Alloyed versus Intermetallic Nanoparticles: A Comparison of Electrocatalytic Performance

Abstract

As synthetic methods advance for metal nanoparticles, more rigorous studies of structure–function relationships can be made. Many electrocatalytic processes depend on the size, shape, and composition of the nanocatalysts. Here, the properties and electrocatalytic behavior of random alloyed and intermetallic nanoparticles are compared. Beginning with an introduction of metallic nanoparticles for catalysis and the unique features of bimetallic compositions, the discussion transitions to case studies of nanoscale electrocatalysts where direct comparisons of alloy and intermetallic compositions are undertaken for methanol electrooxidation, formic acid electrooxidation, the oxygen reduction reaction, and the electroreduction of carbon dioxide (CO2). Design and synthesis strategies for random alloyed and intermetallic nanoparticles are discussed, with an emphasis on Pt–M and Cu–M compositions as model systems. The differences in catalytic performance between alloys and intermetallic nanoparticles are highlighted in order to provide an outlook for future electrocatalyst design.

Authors:
 [1];  [1]; ORCiD logo [1];  [1]
  1. Indiana Univ., Bloomington, IN (United States). Dept. of Chemistry
Publication Date:
Research Org.:
Indiana Univ., Bloomington, IN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
OSTI Identifier:
1482336
Alternate Identifier(s):
OSTI ID: 1459465
Report Number(s):
DOE-IU-10489-1
Journal ID: ISSN 0935-9648
Grant/Contract Number:  
SC0010489; CHE‐1602476; 1602476
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Advanced Materials
Additional Journal Information:
Journal Volume: 30; Journal Issue: 40; Journal ID: ISSN 0935-9648
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; 36 MATERIALS SCIENCE; carbon dioxide electroreduction; copper; methanol electrooxidation; oxygen reduction reaction; platinum

Citation Formats

Gamler, Jocelyn T. L., Ashberry, Hannah M., Skrabalak, Sara E., and Koczkur, Kallum M. Random Alloyed versus Intermetallic Nanoparticles: A Comparison of Electrocatalytic Performance. United States: N. p., 2018. Web. doi:10.1002/adma.201801563.
Gamler, Jocelyn T. L., Ashberry, Hannah M., Skrabalak, Sara E., & Koczkur, Kallum M. Random Alloyed versus Intermetallic Nanoparticles: A Comparison of Electrocatalytic Performance. United States. https://doi.org/10.1002/adma.201801563
Gamler, Jocelyn T. L., Ashberry, Hannah M., Skrabalak, Sara E., and Koczkur, Kallum M. Mon . "Random Alloyed versus Intermetallic Nanoparticles: A Comparison of Electrocatalytic Performance". United States. https://doi.org/10.1002/adma.201801563. https://www.osti.gov/servlets/purl/1482336.
@article{osti_1482336,
title = {Random Alloyed versus Intermetallic Nanoparticles: A Comparison of Electrocatalytic Performance},
author = {Gamler, Jocelyn T. L. and Ashberry, Hannah M. and Skrabalak, Sara E. and Koczkur, Kallum M.},
abstractNote = {As synthetic methods advance for metal nanoparticles, more rigorous studies of structure–function relationships can be made. Many electrocatalytic processes depend on the size, shape, and composition of the nanocatalysts. Here, the properties and electrocatalytic behavior of random alloyed and intermetallic nanoparticles are compared. Beginning with an introduction of metallic nanoparticles for catalysis and the unique features of bimetallic compositions, the discussion transitions to case studies of nanoscale electrocatalysts where direct comparisons of alloy and intermetallic compositions are undertaken for methanol electrooxidation, formic acid electrooxidation, the oxygen reduction reaction, and the electroreduction of carbon dioxide (CO2). Design and synthesis strategies for random alloyed and intermetallic nanoparticles are discussed, with an emphasis on Pt–M and Cu–M compositions as model systems. The differences in catalytic performance between alloys and intermetallic nanoparticles are highlighted in order to provide an outlook for future electrocatalyst design.},
doi = {10.1002/adma.201801563},
url = {https://www.osti.gov/biblio/1482336}, journal = {Advanced Materials},
issn = {0935-9648},
number = 40,
volume = 30,
place = {United States},
year = {2018},
month = {7}
}

Journal Article:
Free Publicly Available Full Text
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Citation Metrics:
Cited by: 13 works
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Figures / Tables:

Figure 1 Figure 1: Schematic illustrations of a) proton exchange membrane fuel cell with various anodic and cathodic reactions, b) chemically disordered fcc random alloy, and c) chemically ordered fct intermetallic.

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