CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Ag-Incorporated Organic-Inorganic Perovskite Films and Planar Heterojunction Solar Cells
Chen, Q; Chen, L; Ye, FY; Zhao, T; Tang, F; Rajagopal, A; Jiang, Z; Jiang, SL; Jen, AKY; Xie, Y; Cai, JH; Chen, LW
2017
Source PublicationNANO LETTERS
ISSN1530-6984
Volume17Issue:5Pages:3231-3237
Subtype期刊论文
AbstractControlled doping for adjustable material polarity and charge carrier concentration is the basis of semiconductor materials and devices, and it is much more difficult to achieve in ionic semiconductors (e.g., ZnO and GaN) than in covalent semiconductors (e.g., Si and Ge), due to the high intrinsic defect density in ionic semiconductors. The organic-inorganic perovskite material, which is frenetically being researched for applications in solar cells and beyond, is also an ionic semiconductor. Here we present the Ag-incorporated organicinorganic perovskite films and planar heterojunction solar cells. Partial substitution of Pb2+ by Ag+ leads to improved film morphology, crystallinity, and carrier dynamics as well as shifted Fermi level and reduced electron concentration. Consequently, in planar heterojunction photovoltaic devices with inverted stacking structure, Ag incorporation results in an enhancement of the power conversion efficiency from 16.0% to 18.4% in MAPbI(3) based devices and from 11.2% to 15.4% in MAPbI(3-x)Cl(x) based devices. Our work implies that Ag incorporation is a feasible route to adjust carrier concentrations in solution-processed perovskite materials in spite of the high concentration of intrinsic defects.
KeywordPerovskite Polarity Planar Heterojunction Perovskite Solar Tell Metal Incorporation Carrier Density Equivalent Circuit Model
DOI10.1021/acs.nanolett.7b00847
Indexed BySCI
Language英语
WOS IDWOS:000401307300072
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27249
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Chen, Q,Chen, L,Ye, FY,et al. Ag-Incorporated Organic-Inorganic Perovskite Films and Planar Heterojunction Solar Cells[J]. NANO LETTERS,2017,17(5):3231-3237.
APA Chen, Q.,Chen, L.,Ye, FY.,Zhao, T.,Tang, F.,...&Chen, LW.(2017).Ag-Incorporated Organic-Inorganic Perovskite Films and Planar Heterojunction Solar Cells.NANO LETTERS,17(5),3231-3237.
MLA Chen, Q,et al."Ag-Incorporated Organic-Inorganic Perovskite Films and Planar Heterojunction Solar Cells".NANO LETTERS 17.5(2017):3231-3237.
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