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Research Article | Open Access

MXene Ti3C2 decorated g-C3N4/ZnO photocatalysts with improved photocatalytic performance for CO2 reduction

Jianxin Lia,b, Yuhua Wanga( ), Yitong Wanga, Yao Guob, Shiding Zhanga,b, Haixiang Songb, Xianchang Lic, Qianqian Gaob, Wanyu Shangb, Shuaishuai Hub, Huibin Zhengb, Xifei Lid,e,f( )
Hubei Province Key Laboratory of Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, China
Henan Joint International Research Laboratory of Nanocomposite Sensing Materials, Anyang Institute of Technology, Anyang, 455000, China
School of Intelligent Manufacturing, Huzhou, 313000, China
Key Laboratory of Advanced Batteries Materials for Electric Vehicles of China Petroleum and Chemical Industry Federation, School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, 710048, China
Engineering Research Center of Conducting Materials and Composite Technology, Ministry of Education, Xi'an, 710048, China
Center for International Cooperation on Designer Low-carbon & Environmental Materials (CDLCEM), Zhengzhou University, Zhengzhou, 450001, China
Show Author Information

Abstract

Photocatalytic reduction of CO2 is considered as a kind of promising technologies for solving the greenhouse effect. Herein, a novel hybrid structure of g-C3N4/ZnO/Ti3C2 photocatalysts was designed and fabricated to investigate their abilities for CO2 reduction. As demonstration, heterojunction of g-C3N4/ZnO can improve photogenerated carriers' separation, the addition of Ti3C2 fragments can further facilitate the photocatalytic performance from CO2 to CO. Hence, g-C3N4/ZnO/Ti3C2 has efficiently increased CO production by 8 and 12 times than pristine g-C3N4 and ZnO, respectively. Which is ascribed to the photogenerated charge migration promoted by metallic Ti3C2. This work provides a guideline for designing efficient hybrid catalysts on other applications in the renewable energy fields.

Keywords

G-C3N4ZnOCO2 reductionTi3C2 fragments

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Nano Materials Science
Volume 5 Issue 2,
June 2023
Pages 237-245
DOI: 10.1016/j.nanoms.2023.02.003
Cite this article:
Li J, Wang Y, Wang Y, et al. MXene Ti3C2 decorated g-C3N4/ZnO photocatalysts with improved photocatalytic performance for CO2 reduction. Nano Materials Science, 2023, 5(2): 237-245. https://doi.org/10.1016/j.nanoms.2023.02.003

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Received: 05 November 2022
Accepted: 28 December 2022
Published: 02 March 2023
© 2023 Chongqing University.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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