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Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4

Qi Huang, Zhen Zhan Orcid Logo, Yuanting Qiao Orcid Logo, Xueting Pan, Shaojun Xu Orcid Logo, Bien Tan Orcid Logo, Chunfei Wu Orcid Logo

Fuel, Volume: 361, Start page: 130646

Swansea University Author: Yuanting Qiao Orcid Logo

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DOI (Published version): 10.1016/j.fuel.2023.130646

Abstract

Covalent triazine polymers, as large π conjugated, highly porous, nitrogen riched organic semiconductors, can play a key role in tackling the fuel energy crisis and global warming issues. However, their development in photocatalytic CO2 reduction is still rare. More effective strategies to enhance C...

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Published in: Fuel
ISSN: 0016-2361
Published: Elsevier BV 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa67098
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spelling v2 67098 2024-07-15 Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4 ceae57100ecb7c4b2883e29079a8985d 0000-0002-7741-9278 Yuanting Qiao Yuanting Qiao true false 2024-07-15 EAAS Covalent triazine polymers, as large π conjugated, highly porous, nitrogen riched organic semiconductors, can play a key role in tackling the fuel energy crisis and global warming issues. However, their development in photocatalytic CO2 reduction is still rare. More effective strategies to enhance CO2 reduction activity need to be explored. Herein, different amounts of azobenzene pendants functionalized CTPs: Azo-CTP0, Azo-CTP1, Azo-mCTP1 and Azo-CTP2, were fabricated for photocatalytic CO2 reduction with Pd loaded. Among them, Azo-mCTP1 displayed the highest CO2 uptake capacity up to 48.2 cm3 g−1 (2.15 mmol g−1) at 273 K, and the highest CH4 evolution rate in the water system, with selectivity highly up to 97 %. Apart from that, the azobenzene functionalization of Azo-CTP0 could significantly boost the CO2 reduction efficiency by 4 times. Therefore, this study provides a potentially general approach for accurately modifying organic semiconductors to enhance photocatalytic performance. Journal Article Fuel 361 130646 Elsevier BV 0016-2361 Azobenzene contained; Covalent triazine polymers (CTPs); photocatalytic CO2 conversion 1 4 2024 2024-04-01 10.1016/j.fuel.2023.130646 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University The authors sincerely appreciate the financial support from the China Scholarship Council. We also appreciate the isotopic GC-MS support from Center for Experimental Chemistry, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 823745. 2024-08-30T13:13:05.7716433 2024-07-15T11:13:38.7718382 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Qi Huang 1 Zhen Zhan 0009-0008-6056-7259 2 Yuanting Qiao 0000-0002-7741-9278 3 Xueting Pan 4 Shaojun Xu 0000-0002-8026-8714 5 Bien Tan 0000-0001-7181-347x 6 Chunfei Wu 0000-0001-7961-1186 7 67098__31186__4cdc56aa560c47e89087424771acd7d0.pdf 67098.VoR.pdf 2024-08-30T13:11:31.0607366 Output 7206576 application/pdf Version of Record true © 2023 The Author(s). This is an open access article under the CC BY license. true eng http://creativecommons.org/licenses/by/4.0/
title Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4
spellingShingle Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4
Yuanting Qiao
title_short Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4
title_full Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4
title_fullStr Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4
title_full_unstemmed Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4
title_sort Azobenzene-equipped Covalent triazine polymers for Visible-Light-Driven photocatalytic reduction of CO2 to CH4
author_id_str_mv ceae57100ecb7c4b2883e29079a8985d
author_id_fullname_str_mv ceae57100ecb7c4b2883e29079a8985d_***_Yuanting Qiao
author Yuanting Qiao
author2 Qi Huang
Zhen Zhan
Yuanting Qiao
Xueting Pan
Shaojun Xu
Bien Tan
Chunfei Wu
format Journal article
container_title Fuel
container_volume 361
container_start_page 130646
publishDate 2024
institution Swansea University
issn 0016-2361
doi_str_mv 10.1016/j.fuel.2023.130646
publisher Elsevier BV
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description Covalent triazine polymers, as large π conjugated, highly porous, nitrogen riched organic semiconductors, can play a key role in tackling the fuel energy crisis and global warming issues. However, their development in photocatalytic CO2 reduction is still rare. More effective strategies to enhance CO2 reduction activity need to be explored. Herein, different amounts of azobenzene pendants functionalized CTPs: Azo-CTP0, Azo-CTP1, Azo-mCTP1 and Azo-CTP2, were fabricated for photocatalytic CO2 reduction with Pd loaded. Among them, Azo-mCTP1 displayed the highest CO2 uptake capacity up to 48.2 cm3 g−1 (2.15 mmol g−1) at 273 K, and the highest CH4 evolution rate in the water system, with selectivity highly up to 97 %. Apart from that, the azobenzene functionalization of Azo-CTP0 could significantly boost the CO2 reduction efficiency by 4 times. Therefore, this study provides a potentially general approach for accurately modifying organic semiconductors to enhance photocatalytic performance.
published_date 2024-04-01T13:13:04Z
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