Controlling Monomer Feeding Rate to Achieve Highly Crystalline Covalent Triazine Frameworks

被引：193
|
作者：
Liu, Manying [1 ]
Jiang, Kai [2 ]
Ding, Xing [2 ]
Wang, Shaolei [1 ]
Zhang, Chengxin [1 ]
Liu, Jing [1 ]
Zhan, Zhen [1 ]
Cheng, Guang [1 ]
Li, Buyi [3 ,4 ]
Chen, Hao [2 ]
Jin, Shangbin [1 ]
Tan, Bien [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Hubei Key Lab Mat Chem & Serv Failure, Minist Educ,Key Lab Mat Chem Energy Convers & Sto, Luoyu Rd 1037, Wuhan 430074, Peoples R China
[2] Huazhong Agr Univ, Coll Sci, Wuhan 430070, Peoples R China
[3] Univ Liverpool, Dept Chem, Crown St, Liverpool L69 7ZD, Merseyside, England
[4] Univ Liverpool, Mat Innovat Factory, Crown St, Liverpool L69 7ZD, Merseyside, England
来源：
ADVANCED MATERIALS | 2019年 / 31卷 / 19期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
controlling feeding rate; covalent organic frameworks; covalent triazine; frameworks; high crystallinity; photocatalysis; ORGANIC FRAMEWORKS; PHOTOCATALYTIC ACTIVITY; CARBON; REDUCTION; TEMPERATURE; FLUORESCENT; OXIDATION; CAPTURE;
D O I：
10.1002/adma.201807865
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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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页数：7
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