Ju Wen-Tao, Fu Yao-Mei, Wang Hai-Ning, Liu Jun-Rui, Qu Jian-Xin, Lian Meng, Liu Teng, Meng Xing, Su Zhong-Min
School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, China.
Shandong Engineering Research Center of Green and High-value Marine Fine Chemical, Weifang University of Science and Technology, Shouguang 262700, China.
Inorg Chem. 2024 Aug 12;63(32):15090-15097. doi: 10.1021/acs.inorgchem.4c02112. Epub 2024 Aug 1.
The conversion of CO into useful chemicals via photocatalysts is a promising strategy for resolving the environmental problems caused by the addition of CO. Herein, a series of composite photocatalysts MOP@TpPa-CH based on MOP-NH and TpPa-CH through covalent bridging have been prepared via a facile room-temperature evaporation method and employed for photocatalytic CO reduction. The photocatalytic performances of MOP@TpPa-CH are greater than those of TpPa-CH and MOP-NH, where the CO generation rate of MOP@TpPa-CH under 10% CO still reaches 119.25 μmol g h, which is 2.18 times higher than that under pure CO (54.74 μmol g h). To investigate the structural factors affecting the photocatalytic activity, MOP@TBPa-CH without C═O groups is synthesized, and the photoreduction performance is also evaluated. The controlling experimental results demonstrate that the excellent photoreduction CO performance of MOP@TpPa-CH in a 10% CO atmosphere is due to the presence of C═O groups in TpPa-CH. This work offers a new design and construction strategy for novel MOP@COF composites.
通过光催化剂将一氧化碳转化为有用的化学品是解决因一氧化碳排放导致的环境问题的一种有前景的策略。在此，通过简便的室温蒸发法制备了一系列基于MOP-NH和TpPa-CH通过共价桥联的复合光催化剂MOP@TpPa-CH，并将其用于光催化一氧化碳还原。MOP@TpPa-CH的光催化性能优于TpPa-CH和MOP-NH，其中MOP@TpPa-CH在10%一氧化碳气氛下的一氧化碳生成速率仍达到119.25 μmol g⁻¹ h⁻¹，比纯一氧化碳气氛下（54.74 μmol g⁻¹ h⁻¹）高2.18倍。为了研究影响光催化活性的结构因素，合成了不含C═O基团的MOP@TBPa-CH，并对其光还原性能进行了评估。对照实验结果表明，MOP@TpPa-CH在10%一氧化碳气氛中优异的光还原一氧化碳性能归因于TpPa-CH中C═O基团的存在。这项工作为新型MOP@COF复合材料提供了一种新的设计和构建策略。
