期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 13, 期 13, 页码 1674-1677出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201800506
关键词
carbon nitride; covalent organic frameworks; light absorption; photocatalysis; surface area
资金
- National Natural Science Foundation of China [21604028, 21474033]
- International SAMP
- T Cooperation Program of China [2016YFE0124400]
- Program for HUST Interdisciplinary Innovation Team [2016JCTD104]
We report a new strategy to construct porous carbon nitride (PCN) by embedding a heptazine unit-the primary building block of carbon nitride-into the backbone of a covalent organic framework (COF). The strategy results in a new type of PCN which bears a fibrous morphology, high surface area and wide visible absorption. The photocatalytic performance was evaluated by photodegradation of an organic dye. We found that the introduction of the heptazine unit has a prominent effect on the catalytic activity, which demonstrates an effective strategy to prepare carbon nitride materials. This work opens up a new way for the preparation of carbon nitride for photocatalysis applications.
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