期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 37, 页码 11968-11972出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201806664
关键词
covalent organic frameworks (COFs); covalent triazine frameworks; hydrogen evolution; oxidation; photocatalysis
资金
- National Natural Science Foundation of China [21604028, 21474033]
- International S&T Cooperation Program of China [2016YFE0124400]
- China Postdoctoral Science Foundation [2017M622423]
- Program for HUST Interdisciplinary Innovation Team [2016JCTD104]
Covalent triazine frameworks (CTFs) with aromatic triazine linkages have recently received increasing interest for various applications because of their rich nitrogen content and high chemical stability. Owing to the strong aromatic C=N bond and high chemical stability, only a few CTFs are crystalline, and most CTFs are amorphous. Herein we report a new general strategy to give highly crystalline CTFs by insitu formation of aldehyde monomers through the controlled oxidation of alcohols. This general strategy allows a series of crystalline CTFs with different monomers to be prepared, which are shown to have higher thermal stability and enhanced performance in photocatalysis as compared with the less crystalline or amorphous CTFs. This open-system approach is very simple and convenient, which presents a potential pathway to large-scale industrial production of crystalline CTFs.
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