Selective photoreduction of diluted CO2 to CH4 via topotactic transformation of mixed metal oxides derived from NiAlTi-LDH

Zhangyi Hu; Da Ke; Jiahao Min; Hongzhou Yang; Qingwen Meng; Fan Tian; Yu Chen; Xuyang Xiong; Zuozuo Wu; Tengfei Zhou

doi:10.1039/D5CC01271F

Selective photoreduction of diluted CO₂ to CH₄via topotactic transformation of mixed metal oxides derived from NiAlTi-LDH†

Zhangyi Hu,^a Da Ke,^a Jiahao Min,^a Hongzhou Yang,^b Qingwen Meng,^a Fan Tian,

^c Yu Chen,^d Xuyang Xiong,

*^a Zuozuo Wu*^e and Tengfei Zhou

*^a

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* Corresponding authors

^a Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Material (Ministry of Education), Anhui University, Hefei, Anhui, China
E-mail: tengfeiz@ahu.edu.cn, xuyang@ahu.edu.cn

^b Anhui Provincial Key Laboratory of Magnetic Functional Materials and Devices, School of Materials Science and Engineering, Anhui University, Hefei, Anhui, China

^c School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, Hubei, China

^d Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China

^e School of Materials Science and Engineering, Zhejiang University, Hangzhou, Zhe jiang, 310027, China
E-mail: zuozuowu@zju.edu.cn

Abstract

A TiO₂/NiO/Al₂O₃ hybrid with Ti³⁺ sites and –OH groups was successfully synthesized by performing a facial in situ topotactic transformation of NiAlTi-LDH. The optimized sample exhibited a high CH₄ formation rate of 41.34 μmol g⁻¹ h⁻¹ with nearly 76.8% selectivity in photocatalytic conversion of diluted CO₂.

This article is part of the themed collection: Chemistry at the Forefront of the Sustainable Energy Transition

Chemical Communications

Selective photoreduction of diluted CO₂ to CH₄via topotactic transformation of mixed metal oxides derived from NiAlTi-LDH†

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Selective photoreduction of diluted CO₂ to CH₄ via topotactic transformation of mixed metal oxides derived from NiAlTi-LDH

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