CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
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
Source PublicationJOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
ISSN1533-4880
Volume17Issue:2Pages:1373-1380
Subtype期刊论文
AbstractTernary 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
KeywordSurface States Ternary Quantum Dot Solar Cell Synchrotron
DOI10.1166/jnn.2017.12629
Indexed BySCI
Language英语
WOS IDWOS:000397118700069
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27463
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
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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