典型文献
Construction of highly active WO3/TpPa-1-COF S-scheme heterojunction toward photocatalytic H2 generation
文献摘要：
The rapid charge recombination and low surface reaction kinetics are the two major constraints to the photocatalytic performance of covalent organic frameworks(COFs).To accelerate the charge separation behavior,TpPa-1-COF is decorated with WO3 via an in-situ growth approach,and the resultant WO3/TpPa-1-COF composites show significantly improved photocatalytic performance.Especially,when the WO3 loading arrives at 3 wt％,3％WO3/TpPa-1-COF exhibits the maximum photocatalytic H2 evolution rate of 19.89 mmol g-1 h-1,which is approximately 4.8 times higher than that of pure TpPa-1-COF.The apparent quantum efficiency(AQE)of 3％WO3/TpPa-1-COF at 420 nm is detected to be 12.4％.X-ray photoelectron spectroscopy(XPS)characterization confirms the formation of internal electric field between WO3 and TpPa-1-CF,which can drive the photogenerated charge carrier diffusion in S-scheme mode.As a result,WO3/TpPa-1-COF composite possesses high charge separation efficiency and strong redox ability,which is further supported by the photoelectrochemical results,thus benefiting the photocatalysis process.This work provides a rational strategy to modify COFs in photocatalytic water splitting.
文献关键词：
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作者姓名：
Long Sun;Lingling Li;Jiajie Fan;Quanlong Xu;Dekun Ma
作者机构：
School of Materials Science and Engineering,Zhengzhou University,Zhengzhou 450002,China;College of Chemistry and Materials Engineering,Wenzhou University,Wenzhou 325027,China;School of Materials and Energy,Guangdong University of Technology,Guangzhou 510006,China;Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process,Shaoxing University,Shaoxing 312000,China
文献出处：
引用格式：
[1]Long Sun;Lingling Li;Jiajie Fan;Quanlong Xu;Dekun Ma-.Construction of highly active WO3/TpPa-1-COF S-scheme heterojunction toward photocatalytic H2 generation)[J].材料科学技术（英文版）,2022(28):41-48
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AB值：
0.576674
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