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Oxygen Vacancies in Amorphous InOx Nanoribbons Enhance CO2 Adsorption and Activation for CO2 Electroreduction

Zhang, Junbo, Yin, Rongguan, Shao, Qi, Zhu, Ting, Huang, Xiaoqing·2019·Angewandte Chemie International Edition

Abstract

Tuning surface electron transfer process by oxygen (O)‐vacancy engineering is an efficient strategy to develop enhanced catalysts for CO 2 electroreduction (CO 2 ER). Herein, a series of distinct InOx NRs with different numbers of O‐vacancies, namely, pristine (P‐InOx), low vacancy (O‐InOx) and high‐vacancy (H‐InO x) NRs, have been prepared by simple thermal treatments. The H‐InOx NRs show enhanced performance with a best formic acid (HCOOH) selectivity of up to 91.7 % as well as high HCOOH partial current density over a wide range of potentials, largely outperforming those of the P‐InOx and O‐InOx NRs. The H‐InOx NRs are more durable and have a limited activity decay after continuous operating for more than 20 h. The improved performance is attributable to the abundant O‐vacancies in the amorphous H‐InOx NRs, which optimizes CO 2 adsorption/activation and facilitates electron transfer for efficient CO 2 ER.

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Metadata

Authors
Zhang, J., Yin, R., Shao, Q., Zhu, T., & Huang, X.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2019-03-20
Volume
58
Issue
17
Pages
5609-5613
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2920093770
Cited by
379
References
6
FWCI
10.46
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Oxygen Vacancies in Amorphous InOx Nanoribbons Enhance CO2 Adsorption and Activation for CO2 Electroreduction. https://app.cochat.ai/papers/10.1002/anie.201900167
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Zhang, J., Yin, R., Shao, Q., Zhu, T., & Huang, X. (2019). Oxygen Vacancies in Amorphous InOx Nanoribbons Enhance CO2 Adsorption and Activation for CO2 Electroreduction. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201900167

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