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题名: Magnetic Field-Assisted Perovskite Film Preparation for Enhanced Performance of Solar Cells
作者: Wang, Haoxu1;  Lei, Jie1;  Gao, Fei1;  Yang, Zhou1;  Yang, Dong1;  Jiang, Jiexuan1;  Li, Juan1;  Hu, Xihong1;  Ren, Xiaodong1;  Liu, Bin1;  Liu, Jing2;  Lei, Hairui2;  Liu, Zhike1;  Liu, Shengzhong (Frank)1, 3
关键词: CH3NH3PbI3 film ;  magnetic field ;  Lorentz force ;  crystal growth ;  grain size ;  perovskite solar cells ;  power conversion efficiency
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2017-07-05
DOI: 10.1021/acsami.7b03081
卷: 9, 页:21756-21762
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Science & Technology - Other Topics ;  Materials Science
英文摘要: Perovskite solar cells (PSCs) are promising low-cost photovoltaic technologies with high power conversion efficiency (PCE). The crystalline quality of perovskite materials is crucial to the photovoltaic performance of the PSCs. Herein, a simple approach is introduced to prepare high-quality CH3NH3PbI3 perovskite films with larger crystalline grains and longer carriers lifetime by using magnetic field to control the nucleation and crystal growth. The fabricated planar CH3NH3PbI3 solar cells have an average PCE of 17.84% and the highest PCE of 18.56% using an optimized magnetic field at 80 mT. In contrast, the PSCs fabricated without the magnetic field give an average PCE of 15.52% and the highest PCE of 16.72%. The magnetic field action produces an ordered arrangement of the perovskite ions, improving the crystallinity of the perovskite films and resulting in a higher PCE.
关键词[WOS]: ORGANOMETAL HALIDE PEROVSKITES ;  HIGHLY EFFICIENT ;  CH3NH3PBI3 FILMS ;  CRYSTAL-GROWTH ;  CRYSTALLIZATION ;  DEPOSITION ;  MELT
语种: 英语
WOS记录号: WOS:000405159100019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152080
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Shaanxi Normal Univ, Sch Mat Sci & Engn, Shaanxi Engn Lab Adv Energy Technol, Shaanxi Key Lab Adv Energy Devices, Xian 710119, Peoples R China
2.Shaanxi Normal Univ, Sch Chem & Chem Engn, Xian 710119, Peoples R China
3.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Wang, Haoxu,Lei, Jie,Gao, Fei,et al. Magnetic Field-Assisted Perovskite Film Preparation for Enhanced Performance of Solar Cells[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9:21756-21762.
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