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题名:
Surface States in Ternary CdSSe Quantum Dot Solar Cells
作者: Chen, ZH; Li, H; Zhang, XZ; Zhang, LJ; Yu, HN; Li, WQ; Xu, ZJ; Wang, Y; Tai, RZ
刊名: JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
出版日期: 2017
卷号: 17, 期号:2, 页码:1373-1380
关键词: Surface States ; Ternary ; Quantum Dot ; Solar Cell ; Synchrotron
DOI: 10.1166/jnn.2017.12629
文章类型: 期刊论文
英文摘要: Ternary CdSSe quantum dot-sensitized solar cells (QDSCs) have demonstrated advantages such as wide absorption ranges and tunable band structures. However, the oxygen additives absorbed on such multicomponent quantum dot (QD) surfaces induce band bending at the TiO2/CdSSe interface and prevent charge transport in QDSCs, as determined via X-ray photoelectron spectroscopy (XPS) and synchrotron-based X-ray Absorption Near-Edge Structure (XANES) analysis. Annealing of TiO2/CdSSe QDs photoanodes was conducted at different temperatures under Ar atmospheres to eliminate oxygen additives and interfacial band bending. The short-circuit current (Jsc) of the annealed ternary CdSSe QDSCs is obviously improved, whereas the TiCl4 treatment and MgO coating of the TiO2 nanocrystals are assisted by the annealing to compensate for the loss of opencircuit voltage (V-oc) and fill factor (FF). Ternary CdSSe QDSCs with efficiencies of 4.72% have been achieved using the optimized
收录类别: SCI
语种: 英语
WOS记录号: WOS:000397118700069
ISSN号: 1533-4880
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27463
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Chen, ZH,Li, H,Zhang, XZ,et al. Surface States in Ternary CdSSe Quantum Dot Solar Cells[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2017-01-01,17(2):1373-1380.
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文件名: Surface States in Ternary CdSSe Quantum Dot Solar Cells.pdf
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