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0D/2D Heterojunctions of Vanadate Quantum Dots/Graphitic Carbon Nitride Nanosheets for Enhanced Visible‐Light‐Driven Photocatalysis
Author(s) -
Ye MengYang,
Zhao ZhiHao,
Hu ZhuoFeng,
Liu LeQuan,
Ji HuiMing,
Shen ZhuRui,
Ma TianYi
Publication year - 2017
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201611127
Subject(s) - graphitic carbon nitride , photocatalysis , heterojunction , quantum dot , carbon quantum dots , materials science , vanadate , visible spectrum , nanotechnology , carbon nitride , chemical engineering , optoelectronics , chemistry , catalysis , metallurgy , engineering , biochemistry
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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