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题名: Solvent engineering of spin-coating solutions for planar-structured high-efficiency perovskite solar cells
作者: Cai, Bing1, 2;  Zhang, Wen-Hua2;  Qiu, Jieshan1
关键词: Perovskite ;  Film ;  Solar cell ;  Solvent engineering ;  Morphology ;  Device performance
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2015-08-01
DOI: 10.1016/S1872-2067(15)60929-9
卷: 36, 期:8, 页:1183-1190
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Control of the morphology and coverage of high-quality perovskite films is the main issue affecting planar-structured perovskite solar cells fabricated by solution processing. In this work, the solvent engineering of mixed solutions for spin-coating uniform perovskite thin films was investigated in detail by adding different ratios of N,N-dimethylformamide (DMF) or gamma-butyrolactone (GBL) to dimethyl sulfoxide (DMSO). The morphology and film thickness of the resulting perovskite films were found to be significantly altered. At 20%similar to 40% (volume fraction) of N,N-dimethylformamide mixed with DMSO, micrometer scale grains and reduced grain boundaries were observed on the highly uniform perovskite thin films. The optimized planar-structured perovskite solar cells showed power conversion efficiency as high as 16.5% and a stabilized efficiency of 14.4% at a fixed forward bias of 0.88 V. (C) 2015, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词[WOS]: ORGANOMETAL HALIDE PEROVSKITES ;  CHARGE-TRANSFER ;  PERFORMANCE ;  DEPOSITION ;  TRIHALIDE ;  ELECTRON ;  LENGTHS
语种: 英语
WOS记录号: WOS:000359826000004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146467
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.Dalian Univ Technol, Carbon Res Lab, Liaoning Key Lab Energy Mat & Chem Engn, State Key Lab Fine Chem, Dalian 116024, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Cai, Bing,Zhang, Wen-Hua,Qiu, Jieshan. Solvent engineering of spin-coating solutions for planar-structured high-efficiency perovskite solar cells[J]. CHINESE JOURNAL OF CATALYSIS,2015,36(8):1183-1190.
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