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2D/2D heterostructured photocatalyst: Rational design for energy and environmental applications

二维/二维异质结光催化剂: 合理设计与能源和环境应用

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Abstract

Two-dimensional/two-dimensional (2D/2D) hybrid nanomaterials have triggered extensive research in the photocatalytic field. The construction of emerging 2D/2D heterostructures can generate many intriguing advantages in exploring high-performance photocatalysts, mainly including preferable dimensionality design allowing large contact interface area, integrated merits of each 2D component and rapid charge separation by the heterojunction effect. Herein, we provide a comprehensive review of the recent progress on the fundamental aspects, general synthesis strategies (in situ growth and ex situ assembly) of 2D/2D heterostructured photocatalysts and highlight their applications in the fields of hydrogen evolution, CO2 reduction and removal of pollutants. Furthermore, the perspectives on the remaining challenges and future opportunities regarding the development of 2D/2D heterostructure photocatalysts are also presented.

摘要

近年来, 二维/二维异质结纳米材料在光催化领域引起了广泛的研究. 二维/二维异质结材料在高效光催化剂的应用研究上具有许多独特优点, 主要包括良好的尺寸设计, 较大的界面接触面积, 有机集合了各二维组分的优点, 同时异质结的构筑能够快速促进光生电荷的分离和转移. 本文首先介绍了二维/二维异质结构光催化剂所形成界面的一些基本原理内容, 并总结了目前二维/二维异质结构光催化剂的一般合成策略, 包括原位生长和非原位外组装. 随后着重介绍了二维/二维异质结光催化剂在产氢、 二氧化碳还原和污染物去除等方面的应用的最新研究进展. 最后, 对二维/二维异质结光催化剂的发展前景进行了展望.

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Acknowledgements

This work was financially supported by the Australia Research Council (ARC DP 180102062), and the National Natural Science Foundation of China (51602163).

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Authors and Affiliations

  1. Institute of Materials, Ningbo University of Technology, Ningbo, 315016, China

    Huilin Hou  (侯慧林)

  2. Department of Chemical Engineering, Monash University, Clayton, VIC, 3800, Australia

    Huilin Hou  (侯慧林), Xiangkang Zeng  (曾祥康) & Xiwang Zhang  (张西旺)

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  1. Huilin Hou  (侯慧林)
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  2. Xiangkang Zeng  (曾祥康)
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  3. Xiwang Zhang  (张西旺)
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Contributions

Author contributions Zhang X proposed the topic and outline of the manuscript; Hou H collected the related information and drafted the manuscript; Zeng X gave some valuable comments.

Corresponding author

Correspondence to Xiwang Zhang  (张西旺).

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Conflict of interest The authors declare that they have no conflict of interest.

Additional information

Huilin Hou received his PhD degree from Taiyuan University of Technology in 2015. He works in Ningbo University of Technology (NBUT), and is currently an associate professor of the Institute of Materials in NBUT. From 2018 to 2019, he worked at Monash University as a visiting scholar. His research interest focuses on solar photocatalysis.

Xiangkang Zeng obtained his PhD degree in 2017 at Monash University, Australia, under the supervision of Prof. Xiwang Zhang. He then moved to the Hong Kong University of Science and Technology for one-year postdoctoral work. In November 2018, he came back to Australia and is currently a postdoctoral research fellow at Prof. Xiwang Zhang’s group. His current research focuses on the development of 2D photocatalysts.

Xiwang Zhang is a professor in the Department of Chemical Engineering at Monash University, and the director of ARC Research Hub for Energy-efficient Separation. His research interests focus on membrane and advanced oxidation technologies for various applications. Prof. Zhang was the receipt of the prestigious Australian Research Fellowship and Larkins Fellowship.

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Hou, H., Zeng, X. & Zhang, X. 2D/2D heterostructured photocatalyst: Rational design for energy and environmental applications. Sci. China Mater. 63, 2119–2152 (2020). https://doi.org/10.1007/s40843-019-1256-0

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