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Ultrathin nanoporous metal-semiconductor heterojunction photoanodes for visible light hydrogen evolution
Zhang, W. Q.; Zhao, Y. F.; He, K.; Luo, J.; Li, G. L.; Liu, R. R.; Liu, S. Y.; Cao, Z.; Jing, P. T.; Ding, Y.
2018
发表期刊Nano Research
ISSN1998-0124
卷号11期号:4页码:2046-2057
摘要Plasmonic metal-semiconductor nano-heterojunctions (NHJs), with their superior photocatalytic performance, provide opportunities for the efficient utilization of solar energy. However, scientific significance and technical challenges remain in the development of suitable metal-semiconductor NHJ photoelectrodes for new generation flexible optoelectronic devices, which often require complex processing. Herein, we report integrated three-dimensional (3D) NHJ photoelectrodes by conformally coating cadmium sulfide (CdS) nanolayers onto ultrathin nanoporous gold (NPG) films via a facile electrodeposition method. Localized surface plasmon resonance (LSPR) of NPG enhances the electron-hole pair generation and separation. Moreover, the direct contact interface and high conductive framework structure of the NHJs boosts the photogenerated carrier separation and transport. Hence, the NHJs exhibit evidently enhanced photocurrent density and hydrogen evolution rate relative to CdS deposited on either gold (Au) foil or fluorine-doped tin oxide (FTO) at 0 V vs. SCE (saturated calomel electrode) under visible-light irradiation. Moreover, they demonstrate a surprisingly stable photoelectrochemical hydrogen evolution (PEC-HE) activity over 104 s of continuous irradiation.
关键词nanoporous gold cadmium sulfide metal-semiconductor heterojunction localized surface plasmon resonance visible light hydrogen evolution dealloying hot-electron transfer tio2 nanotube array cds quantum dots gold nanoparticles solar nanorods conversion nanostructures nanohybrids absorption Chemistry Science & Technology - Other Topics Materials Science Physics
DOI10.1007/s12274-017-1821-y
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60850
专题中国科学院长春光学精密机械与物理研究所
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Zhang, W. Q.,Zhao, Y. F.,He, K.,et al. Ultrathin nanoporous metal-semiconductor heterojunction photoanodes for visible light hydrogen evolution[J]. Nano Research,2018,11(4):2046-2057.
APA Zhang, W. Q..,Zhao, Y. F..,He, K..,Luo, J..,Li, G. L..,...&Ding, Y..(2018).Ultrathin nanoporous metal-semiconductor heterojunction photoanodes for visible light hydrogen evolution.Nano Research,11(4),2046-2057.
MLA Zhang, W. Q.,et al."Ultrathin nanoporous metal-semiconductor heterojunction photoanodes for visible light hydrogen evolution".Nano Research 11.4(2018):2046-2057.
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