石墨氮化碳
光催化
异质结
量子点
材料科学
可见光谱
纳米技术
纳米复合材料
纳米晶
钒酸盐
半导体
氮化碳
载流子
钒酸铋
光电子学
化学
催化作用
冶金
生物化学
作者
Mengyang Ye,Zhihao Zhao,Zhuofeng Hu,Le‐Quan Liu,Huiming Ji,Zhurui Shen,Tianyi Ma
标识
DOI:10.1002/anie.201611127
摘要
Abstract 0D/2D heterojunctions, especially quantum dots (QDs)/nanosheets (NSs) have attracted significant attention for use of photoexcited electrons/holes due to their high charge mobility. Herein, unprecedent heterojunctions of vanadate (AgVO 3 , BiVO 4 , InVO 4 and CuV 2 O 6 ) QDs/graphitic carbon nitride (g‐C 3 N 4 ) NSs exhibiting multiple unique advances beyond traditional 0D/2D composites have been developed. The photoactive contribution, up‐conversion absorption, and nitrogen coordinating sites of g‐C 3 N 4 NSs, highly dispersed vanadate nanocrystals, as well as the strong coupling and band alignment between them lead to superior visible‐light‐driven photoelectrochemical (PEC) and photocatalytic performance, competing with the best reported photocatalysts. This work is expected to provide a new concept to construct multifunctional 0D/2D nanocomposites for a large variety of opto‐electronic applications, not limited in photocatalysis.
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