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Probing the active site in single-atom oxygen reduction catalysts via operando X-ray and electrochemical spectroscopy

Authors
  • Lien, Hsiang-Ting1, 1
  • Chang, Sun-Tang2
  • Chen, Po-Tuan1, 1, 3
  • Wong, Deniz P.4
  • Chang, Yu-Chung1, 2, 5
  • Lu, Ying-Rei5, 6
  • Dong, Chung-Li6
  • Wang, Chen-Hao2
  • Chen, Kuei-Hsien1, 4
  • Chen, Li-Chyong1, 1
  • 1 National Taiwan University, Taipei, Taiwan , Taipei (Taiwan)
  • 2 National Taiwan University of Science and Technology, Taipei, Taiwan , Taipei (Taiwan)
  • 3 National Taipei University of Technology, Taipei, Taiwan , Taipei (Taiwan)
  • 4 Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan , Taipei (Taiwan)
  • 5 National Synchrotron Radiation Research Center, Hsinchu, Taiwan , Hsinchu (Taiwan)
  • 6 Tamkang University, Tamsui, Taiwan , Tamsui (Taiwan)
Type
Published Article
Journal
Nature Communications
Publisher
Springer Nature
Publication Date
Aug 25, 2020
Volume
11
Issue
1
Identifiers
DOI: 10.1038/s41467-020-17975-y
Source
Springer Nature
License
Green

Abstract

Understanding active-site geometry and structural evolution during electrocatalysis is important for further development. Here the authors use operando X-ray absorption spectroscopy combined with electrochemical impedance spectroscopy to investigate single atom catalysts derived from Vitamin B12.

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