DICP OpenIR
Alkali Metal Doping for Improved CH3NH3PbI3 Perovskite Solar Cells
Zhao, Wangen1; Yao, Zhun1; Yu, Fengyang1; Yang, Dong1; Liu, Shengzhong (Frank)1,2
KeywordAlkali Metals Doping Perovskites Planar Construction Passivation
Source PublicationADVANCED SCIENCE
2018-02-01
ISSN2198-3844
DOI10.1002/advs.201700131
Volume5Issue:2
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordPOWER CONVERSION EFFICIENCY ; PLANAR HETEROJUNCTION ; HALIDE PEROVSKITES ; ROOM-TEMPERATURE ; HIGHLY EFFICIENT ; THIN-FILMS ; PERFORMANCE ; GROWTH ; ACID ; HYSTERESIS
AbstractOrganic-inorganic hybrid halide perovskites are proven to be a promising semiconductor material as the absorber layer of solar cells. However, the perovskite films always suffer from nonuniform coverage or high trap state density due to the polycrystalline characteristics, which degrade the photoelectric properties of thin films. Herein, the alkali metal ions which are stable against oxidation and reduction are used in the perovskite precursor solution to induce the process of crystallization and nucleation, then affect the properties of the perovskite film. It is found that the addition of the alkali metal ions clearly improves the quality of perovskite film: enlarges the grain sizes, reduces the defect state density, passivates the grain boundaries, increases the built-in potential (V-bi), resulting to the enhancement in the power conversion efficiency of perovskite thin film solar cell.
Language英语
WOS IDWOS:000426200000002
PublisherWILEY
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168743
Collection中国科学院大连化学物理研究所
Corresponding AuthorZhao, Wangen; Liu, Shengzhong (Frank)
Affiliation1.Shaanxi Normal Univ, Key Lab Appl Surface & Colloid Chem, Shaanxi Engn Lab Adv Energy Technol, Natl Minist Educ,Sch Mat Sci & Engn, Xian 710062, Shaanxi, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, iChEM Collaborat Innovat Ctr Chem Energy Mat, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Wangen,Yao, Zhun,Yu, Fengyang,et al. Alkali Metal Doping for Improved CH3NH3PbI3 Perovskite Solar Cells[J]. ADVANCED SCIENCE,2018,5(2).
APA Zhao, Wangen,Yao, Zhun,Yu, Fengyang,Yang, Dong,&Liu, Shengzhong .(2018).Alkali Metal Doping for Improved CH3NH3PbI3 Perovskite Solar Cells.ADVANCED SCIENCE,5(2).
MLA Zhao, Wangen,et al."Alkali Metal Doping for Improved CH3NH3PbI3 Perovskite Solar Cells".ADVANCED SCIENCE 5.2(2018).
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