期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 45, 页码 14149-14153出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201708548
关键词
covalent triazine frameworks; energy storage; gas adsorption; layered materials; photocatalysis
资金
- National Natural Science Foundation of China [21474033, 21604028, 21673087, T21474033]
- International S&T Cooperation Program of China [2016YFE0124400]
- Program for HUST Interdisciplinary Innovation Team [2016JCTD104]
- EPSRC [EP/N004884/1]
- 1000 Youth Talent plan project
- Excellent One Hundred project of Beijing Jiaotong University
- EPSRC [EP/N004884/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N004884/1] Funding Source: researchfish
Covalent triazine frameworks (CTFs) are normally synthesized by ionothermal methods. The harsh synthetic conditions and associated limited structural diversity do not benefit for further development and practical large-scale synthesis of CTFs. Herein we report a new strategy to construct CTFs (CTF-HUSTs) via a polycondensation approach, which allows the synthesis of CTFs under mild conditions from a wide array of building blocks. Interestingly, these CTFs display a layered structure. The CTFs synthesized were also readily scaled up to gram quantities. The CTFs are potential candidates for separations, photocatalysis and for energy storage applications. In particular, CTF-HUSTs are found to be promising photocatalysts for sacrificial photocatalytic hydrogen evolution with a maximum rate of 2647 mu mol h(-1) g(-1) under visible light. We also applied a pyrolyzed form of CTF-HUST-4 as an anode material in a sodiumion battery achieving an excellent discharge capacity of 467 mAh g(-1).
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