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Title: In situ X-ray absorption spectroscopy studies of nanoscale electrocatalysts
Authors: Árnadóttir, Líney
Feng, Zhenxing
Xu, Jason Zhichuan
Wang, Maoyu
Keywords: Electrocatalyst
X-ray Absorption Spectroscopy
Issue Date: 2019
Source: Wang, M., Árnadóttir, L., Xu, J. Z., & Feng, Z. (2019). In situ X-ray absorption spectroscopy studies of nanoscale electrocatalysts. Nano-Micro Letters, 11(1), 47-. doi:10.1007/s40820-019-0277-x
Series/Report no.: Nano-Micro Letters
Abstract: Nanoscale electrocatalysts have exhibited promising activity and stability, improving the kinetics of numerous electrochemical reactions in renewable energy systems such as electrolyzers, fuel cells, and metal-air batteries. Due to the size effect, nano particles with extreme small size have high surface areas, complicated morphology, and various surface terminations, which make them different from their bulk phases and often undergo restructuring during the reactions. These restructured materials are hard to probe by conventional ex-situ characterizations, thus leaving the true reaction centers and/or active sites difficult to determine. Nowadays, in situ techniques, particularly X-ray absorption spectroscopy (XAS), have become an important tool to obtain oxidation states, electronic structure, and local bonding environments, which are critical to investigate the electrocatalysts under real reaction conditions. In this review, we go over the basic principles of XAS and highlight recent applications of in situ XAS in studies of nanoscale electrocatalysts.
ISSN: 2311-6706
DOI: 10.1007/s40820-019-0277-x
Rights: © 2019 The Author(s). Published by Springer Singapore. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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