A solvent-responsive terbium-organic framework for photocatalytic CO2 reduction

Xin Lu; Zhilong Yao; Xiaomin Yuan; Yao Wei; Zhihao Zhu; Hegen Zheng; Chuanlei Zhang

doi:10.1039/D3DT01763J

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A solvent-responsive terbium-organic framework for photocatalytic CO₂ reduction†

Xin Lu,‡^a Zhilong Yao,‡^a Xiaomin Yuan,^a Yao Wei,^a Zhihao Zhu,*^a Hegen Zheng

*^b and Chuanlei Zhang

*^ab

Author affiliations

* Corresponding authors

^a Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anhui Key Laboratory of Functional Coordination Compounds, School of Chemistry and Engineering, Anqing Normal University, Anqing 246133, China
E-mail: clzhang@nju.edu.cn

^b State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China

Abstract

A Tb-MOF with a 5,5,6-c 3-nodal net, {[Tb(DTDA)_1.5·2H₂O]·DMF·8H₂O}_n (AQNU-4), has been synthesized (DTDA = 2′,5′-diethoxy-[1,1′:4′,1′′-terphenyl]-4,4′′-dicarboxylic acid). AQNU-4 contains a 1-periodic secondary building unit (rod SBU) and has an unusual topological type with the point symbol {3²·4⁴·6²·7·8}{3²·4⁶·5·6}{3²·4⁶·5²·6⁵}. Efficient light harvesting and electron−hole separation make AQNU-4 an effective photocatalyst for use in the CO₂ reduction reaction (CO₂RR). Interestingly, as a photocatalyst, AQNU-4 shows an obvious solvent dependence during the catalytic process. In cyclohexanone in particular, it shows the highest CO₂ to CO conversion, reaching 138.65 μmol g⁻¹ h⁻¹, making AQNU-4 a good solvent-responsive MOF material.

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Article information

DOI: https://doi.org/10.1039/D3DT01763J
Article type: Paper
Submitted: 08 Jun 2023
Accepted: 11 Jul 2023
First published: 17 Jul 2023

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Dalton Trans., 2023,52, 10769-10777

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A solvent-responsive terbium-organic framework for photocatalytic CO₂ reduction

X. Lu, Z. Yao, X. Yuan, Y. Wei, Z. Zhu, H. Zheng and C. Zhang, Dalton Trans., 2023, 52, 10769 DOI: 10.1039/D3DT01763J

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