Defective graphitic carbon nitride synthesized by controllable co-polymerization with enhanced visible light photocatalytic hydrogen evolution
Defective graphitic carbon nitride synthesized by controllable co-polymerization with enhanced visible light photocatalytic hydrogen evolution
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通过可控共聚和增强可见光催化析氢合成缺陷石墨氮化碳
DOI:
10.1039/c6cy02318e
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发表时间:
2017-01
影响因子:
5
通讯作者:
Wang Chuanyi
中科院分区:
文献类型:
--
作者:
Zhang Mei;Duan Yanyan;Jia Hanzhong;Wang Fu;Wang Lan;Su Zhi;Wang Chuanyi
Defects have a vital effect on the band structures and properties of semiconductor photocatalysts. Herein, we developed a one-step strategy to introduce defects in the framework of g-C3N4 by controllable copolymerization of melamine with a series of partially reactive end capped monomers. The capping molecules have great impacts on the properties of modified g-C3N4. The obtained defective g-C3N4 exhibits an increased surface area, improved charge carrier separation efficiency, and a narrowed band gap with a negative shift of the conduction band. Particularly, defect-rich CN-DPT shows 10 times improvement of visible light activity for hydrogen production compared with pristine g-C3N4.
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影响因子:
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作者:
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通讯作者:
Lotsch BV
影响因子:
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影响因子:
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