Nature Communications (Aug 2020)

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

  • Hsiang-Ting Lien,
  • Sun-Tang Chang,
  • Po-Tuan Chen,
  • Deniz P. Wong,
  • Yu-Chung Chang,
  • Ying-Rei Lu,
  • Chung-Li Dong,
  • Chen-Hao Wang,
  • Kuei-Hsien Chen,
  • Li-Chyong Chen

DOI
https://doi.org/10.1038/s41467-020-17975-y
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 8

Abstract

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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.