Surface States in Ternary CdSSe Quantum Dot Solar Cells
Chen, ZH; Li, H; Zhang, XZ; Zhang, LJ; Yu, HN; Li, WQ; Xu, ZJ; Wang, Y; Tai, RZ
2017
发表期刊JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
ISSN1533-4880
卷号17期号:2页码:1373-1380
文章类型期刊论文
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
关键词Surface States Ternary Quantum Dot Solar Cell Synchrotron
DOI10.1166/jnn.2017.12629
收录类别SCI
语种英语
WOS记录号WOS:000397118700069
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27463
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Chen, ZH,Li, H,Zhang, XZ,et al. Surface States in Ternary CdSSe Quantum Dot Solar Cells[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2017,17(2):1373-1380.
APA Chen, ZH.,Li, H.,Zhang, XZ.,Zhang, LJ.,Yu, HN.,...&Tai, RZ.(2017).Surface States in Ternary CdSSe Quantum Dot Solar Cells.JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,17(2),1373-1380.
MLA Chen, ZH,et al."Surface States in Ternary CdSSe Quantum Dot Solar Cells".JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 17.2(2017):1373-1380.
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