Cited by 899Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceCO2 Reduction Techniques and Catalysts

Single‐Atom Catalyst of Platinum Supported on Titanium Nitride for Selective Electrochemical Reactions

Yang, Sungeun, Kim, Jiwhan, Tak, Young Joo, Soon, Aloysius, Lee, Hyunjoo·2016·Angewandte Chemie International Edition

Abstract

As a catalyst, single‐atom platinum may provide an ideal structure for platinum minimization. Herein, a single‐atom catalyst of platinum supported on titanium nitride nanoparticles were successfully prepared with the aid of chlorine ligands. Unlike platinum nanoparticles, the single‐atom active sites predominantly produced hydrogen peroxide in the electrochemical oxygen reduction with the highest mass activity reported so far. The electrocatalytic oxidation of small organic molecules, such as formic acid and methanol, also exhibited unique selectivity on the single‐atom platinum catalyst. A lack of platinum ensemble sites changed the reaction pathway for the oxygen‐reduction reaction toward a two‐electron pathway and formic acid oxidation toward direct dehydrogenation, and also induced no activity for the methanol oxidation. This work demonstrates that single‐atom platinum can be an efficient electrocatalyst with high mass activity and unique selectivity.

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Crossref · 10.1002/anie.201509241

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40 of 40 references verified0 citation errors · 0 not checkable

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Authors
Yang, S., Kim, J., Tak, Y. J., Soon, A., & Lee, H.
Affiliations
  • Korea Advanced Institute of Science and Technology (KR)
  • Yonsei University (KR)
Corresponding author
Lee, Hyunjoo
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2015-12-28
Volume
55
Issue
6
Pages
2058-2062
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2197330948
Cited by
899
References
40
Citations by year
2026: 39 · 2025: 73 · 2024: 89 · 2023: 101 · 2022: 110 · 2021: 106 · 2020: 138 · 2019: 100 · 2018: 83 · 2017: 46 · 2016: 14
FWCI
14.09
Type
journal article
Language
en
Open access
closed
Locations
  • Angewandte Chemie International Edition (publishedVersion)
  • PubMed (publishedVersion)
Funders
Ministry of Education, Science and Technology
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
Keywords
single-atom catalysts, platinum, titanium nitride, electrocatalysis, electrochemical oxygen reduction, hydrogen peroxide, formic acid oxidation, methanol oxidation, two-electron pathway, mass activity

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