期刊
ADVANCED MATERIALS
卷 31, 期 19, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201807865
关键词
controlling feeding rate; covalent organic frameworks; covalent triazine; frameworks; high crystallinity; photocatalysis
类别
资金
- National Natural Science Foundation of China [21875078, 21474033, 21604028]
- International SAMP
- T Cooperation Program of China [2016YFE0124400]
- China Postdoctoral Science Foundation [2017M622423]
- HUST Innovation Funding [2018JYCXJJ041]
- Science and Technology Department of Hubei Province [2018AAA057]
- Program for HUST Interdisciplinary Innovation Team [2016JCTD104]
The synthesis of highly crystalline covalent triazine frameworks (CTFs) with ultrastrong covalent bonds (aromatic C=N) from the triazine linkage presents a great challenge to synthetic chemists. Herein, the synthesis of highly crystalline CTFs via directly controlling the monomer feeding rate is reported. By tuning the feeding rate of monomers, the crystallization process can be readily governed in a controlled manner in an open system. The sample of CTF-HUST-HCl with abundant exposed {001} crystal facets has the better crystallinity and thus is selected to study the effect of high crystallinity on photoelectric properties. Owing to the better separation of photogenerated electron-hole pairs and charge transfer, the obtained highly ordered CTFHUST-HC1 has superior performance in the photocatalytic removal of nitric oxide (NO) than its lesser crystalline counterparts and g-C3N4.
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