A novel CuSbS2 hexagonal nanobricks @ TiO2 nanorods heterostructure for enhanced photoelectrochemical characteristics | |
Department | 固体润滑国家重点实验室 |
Han MM(韩敏敏)1,2; Jia JH(贾均红)1; Wang WZ(王文珍)1; Jia JH(贾均红) | |
2017 | |
Source Publication | Journal of Alloys and Compounds |
ISSN | 0925-8388 |
Volume | 705Pages:356-362 |
Abstract | A novel structure of hexagonal CuSbS2 nanobricks were successfully synthesized on the TiO2 nanorod arrays via a solvothermal method by using polyethylene glycol (PEG) as the morphology-directing agent. The photoelectrochemical properties of TiO2/CuSbS2 films were also characterized and discussed. The results revealed that the PEG could be absorbed on the surface of CuSbS2 nuclei selectively and confine their growth in certain direction. The hexagonal CuSbS2 nanobricks with the side length of 70 nm and thickness of 30 nm were synthesized from a precursor solution containing Cu+, Sb3+, S2− and PEG with an optimal Cu:Sb:S:PEG volume ratio of 2:2:4:1. The CuSbS2 films on the TiO2 nanorod arrays improved the optical absorption and energy conversion efficiency of the bare TiO2 nanorods significantly. The enhanced photoelectrochemical performance of TiO2/CuSbS2 photoelectrodes was attributed to the enlargement of photoresponse range, increasement of the charge carrier density and the fast separation of photogenerated electron-hole pairs. The results of present work demonstrate further insight for improving the efficiency of semiconductors by using a suitable electron transfer channels, which may be promising for rational construction of solar conversion and storage devices. |
Keyword | Hexagonal Cusbs2 Nanobricks Solvothermal Method Photoelectrochemical Properties Electron Transfer Channels Photoresponse Range Photogenerated Electron-hole Pairs |
Subject Area | 材料科学与物理化学 |
DOI | 10.1016/j.jallcom.2017.02.185 |
Funding Organization | the National Natural Science Foundation of China (Grant No. 51471181;51175490;51575505) |
Indexed By | SCI |
If | 3.133 |
Language | 英语 |
Funding Project | 金属润滑材料研究组 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/21743 |
Collection | 固体润滑国家重点实验室(LSL) |
Corresponding Author | Jia JH(贾均红) |
Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100080, Peoples R China |
Recommended Citation GB/T 7714 | Han MM,Jia JH,Wang WZ,et al. A novel CuSbS2 hexagonal nanobricks @ TiO2 nanorods heterostructure for enhanced photoelectrochemical characteristics[J]. Journal of Alloys and Compounds,2017,705:356-362. |
APA | Han MM,Jia JH,Wang WZ,&贾均红.(2017).A novel CuSbS2 hexagonal nanobricks @ TiO2 nanorods heterostructure for enhanced photoelectrochemical characteristics.Journal of Alloys and Compounds,705,356-362. |
MLA | Han MM,et al."A novel CuSbS2 hexagonal nanobricks @ TiO2 nanorods heterostructure for enhanced photoelectrochemical characteristics".Journal of Alloys and Compounds 705(2017):356-362. |
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