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学科主题物理化学
Enhancement of photoelectrochemical activity of nanocrystalline CdS photoanode by surface modification with TiO2 for hydrogen production and electricity generation
Zhong, Min1,2; Shi, Jingying1; Xiong, Fengqiang1,2; Zhang, Wenhua1; Li, Can1; Li C(李灿)
关键词Photoelectrochemical Cells Nanocrystalline Cds Film Hydrogen Production And Electricity Generation Tio2 Coating Layer Surface Modification
刊名SOLAR ENERGY
2012-02-01
DOI10.1016/j.solener.2011.12.006
86期:2页:756-763
收录类别SCI
文章类型Article
部门归属5
项目归属503
产权排名1,1
类目[WOS]Energy & Fuels
研究领域[WOS]Energy & Fuels
关键词[WOS]SENSITIZED SOLAR-CELLS ; RECOMBINATION PROCESSES ; OXIDE ; ELECTRODES ; LAYER ; EFFICIENCY ; GROWTH ; FILMS
英文摘要Nanocrystalline CdS films on the FTO glass substrates using doctor-blade method were used as photoanodes in two different photoelectrochemical (PEC) cells for hydrogen production and electricity generation. The influence of surface modification by overcoating with a thin amorphous TiO2 on the PEC performance of CdS films has also been investigated. It was found that TiO2 content have a dominant effect on the performance of PEC cells. The optimized PEC cells with CdS/TiO2 (1.8 wt.% TiO2, content) electrode showed a 4-fold increase in hydrogen production and a five times enhancement of the cell efficiency (a maximum power conversion efficiency of 2.7%) compared to that of the unmodified one. Furthermore, surface modification has similar effect on these two PEC cells. The electrochemical investigation suggests that the TiO2 layer on CdS reduces the interfacial charge recombination and induces a downward shift of the flat band potential in both PEC cells. This work reveals that the interfacial charge recombination is essentially critical for both hydrogen production and electricity generation. (C) 2011 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000300132100007
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/117734
专题中国科学院大连化学物理研究所
通讯作者Li C(李灿)
作者单位1.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Zhong, Min,Shi, Jingying,Xiong, Fengqiang,et al. Enhancement of photoelectrochemical activity of nanocrystalline CdS photoanode by surface modification with TiO2 for hydrogen production and electricity generation[J]. SOLAR ENERGY,2012,86(2):756-763.
APA Zhong, Min,Shi, Jingying,Xiong, Fengqiang,Zhang, Wenhua,Li, Can,&李灿.(2012).Enhancement of photoelectrochemical activity of nanocrystalline CdS photoanode by surface modification with TiO2 for hydrogen production and electricity generation.SOLAR ENERGY,86(2),756-763.
MLA Zhong, Min,et al."Enhancement of photoelectrochemical activity of nanocrystalline CdS photoanode by surface modification with TiO2 for hydrogen production and electricity generation".SOLAR ENERGY 86.2(2012):756-763.
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