Yiying Pang , Yang Li , Xiaoyi Gu , Dongdong Wang , Hengzhi He , Yu Gou , Binwei Yuan , Ligong Chen , Bowei Wang
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引用次数: 0
Abstract
Covalent organic frameworks (COFs) are promising crystalline materials for photocatalytic organic transformations. It has been reported that the donor–acceptor (D-A) structure is favorable for the separation of photogenerated carriers, while the impact of flexible monomers on the optoelectronic performance and photocatalytic property of D-A COF remains unclear. Accordingly, a novel flexible D-A COF was synthesized by the Schiff-base condensation reaction of thieno [3,2-b] thiophene-2,5-dicarboxaldehyde (TTDC) with 2,4,6-tri (4-aminophenoxy)-1,3,5-triazine (TPT), named as TPT-COF. While the rigid D-A COF was constructed by the condensation reaction of TTDC with 2,4,6-tris (4-aminophenyl)-1,3,5-triazine (TAPT), named as TTT-COF. Compared with TTT-COF, TPT-COF showed much better catalytic performance for the photosynthesis of benzimidazole. It might be due to its larger interlayer distance and more efficient photogenerated carrier separation and migration. Notably, this newly designed COF also exhibited outstanding stability and tolerance for diverse substrates. This study might provide a rational inspiration for developing efficient COF photocatalysts through the molecular design strategy.
期刊介绍:
The Journal of Catalysis publishes scholarly articles on both heterogeneous and homogeneous catalysis, covering a wide range of chemical transformations. These include various types of catalysis, such as those mediated by photons, plasmons, and electrons. The focus of the studies is to understand the relationship between catalytic function and the underlying chemical properties of surfaces and metal complexes.
The articles in the journal offer innovative concepts and explore the synthesis and kinetics of inorganic solids and homogeneous complexes. Furthermore, they discuss spectroscopic techniques for characterizing catalysts, investigate the interaction of probes and reacting species with catalysts, and employ theoretical methods.
The research presented in the journal should have direct relevance to the field of catalytic processes, addressing either fundamental aspects or applications of catalysis.