Abstract
Photocatalytic reduction of carbon dioxide into useful feedstocks has attracted increasing attention. In this study, a fully conjugated COF material COF-TMT-A with the main structure containing an alkyne group and triazine part was synthesized using sp2-carbon-carbon double bond (C = C) linked COF as a research target. The prepared COF materials were characterized in detail by FT-IR, PXRD, and 13C solid-state NMR. The introduction of an alkyne group not only enhanced the conjugated π-electron leaving domain but also optimized the electronic band structure and significantly improved the photocatalytic activity. The selectivity for the product HCOO was as high as 99%. A 10 h photocatalytic CO2 reduction experiment was carried out, and COF-TMT-A showed a significantly higher HCOO− yield of about 43 μmol compared with COF-701 and the ligand.
Original language | English |
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Pages (from-to) | 1761-1767 |
Number of pages | 7 |
Journal | Dalton Transactions |
Volume | 52 |
Issue number | 6 |
DOIs | |
Publication status | Published - 3 Jan 2023 |