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Unlocking bimetallic active sites via a desalination strategy for photocatalytic reduction of atmospheric carbon dioxide

Chemistry

Unlocking bimetallic active sites via a desalination strategy for photocatalytic reduction of atmospheric carbon dioxide

X. Feng, R. Zheng, et al.

Discover the groundbreaking research by Xuezhen Feng, Renji Zheng, Caiyan Gao, Wenfei Wei, Jiangguli Peng, Ranhao Wang, Songhe Yang, Wensong Zou, Xiaoyong Wu, Yongfei Ji, and Hong Chen on a novel approach to enhance CO2 reduction efficiency using ultrathin 2D bimetallic oxyhalides. This innovative desalination technique opens new avenues for designing catalysts that could be pivotal in environmental and energy applications.

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Playback language: English
Abstract
Ultrathin two-dimensional (2D) metal oxyhalides show excellent photocatalytic properties due to their unique electronic and interfacial structures. A novel top-down wet-chemistry desalination approach was developed to remove the alkali-halide salt layer from the precursor Pb<sub>0.6</sub>Bi<sub>1.4</sub>Cs<sub>0.6</sub>O<sub>2</sub>Cl<sub>2</sub>, creating the 2D bimetallic oxyhalide Pb<sub>0.6</sub>Bi<sub>1.4</sub>O<sub>2</sub>Cl<sub>1.4</sub>. This new material's increased surface area, bimetallic active sites, and faster carrier dynamics significantly enhance atmospheric CO<sub>2</sub> reduction efficiency, surpassing its parent material and other bismuth-based oxyhalide photocatalysts. This desalination strategy offers a new approach for designing ultrathin 2D catalysts for environmental and energy applications.
Publisher
NATURE COMMUNICATIONS
Published On
Apr 20, 2022
Authors
Xuezhen Feng, Renji Zheng, Caiyan Gao, Wenfei Wei, Jiangguli Peng, Ranhao Wang, Songhe Yang, Wensong Zou, Xiaoyong Wu, Yongfei Ji, Hong Chen
Tags
photocatalytic properties
ultrathin 2D materials
bimetallic oxyhalides
CO2 reduction
desalination strategy
surface area
carrier dynamics

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