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Title:
Efficient planar perovskite solar cells with large fill factor and excellent stability
Author: Bao, Xichang1; Wang, Yujin2; Zhu, Qianqian3; Wang, Ning1; Zhu, Dangqiang1; Wang, Junyi1; Yang, Ailing2; Yang RenQiang(阳仁强)1,4
Source: JOURNAL OF POWER SOURCES
Issued Date: 2015-11-30
Volume: 297, Pages:53-58
Keyword: Planar perovskite solar cells ; High-quality films ; Fill factor ; Stability ; Degradation mechanism
DOI: 10.1016/j.jpowsour.2015.07.081
DOC Type: Article
English Abstract: The quality and stability of perovskite films are critical for solar cells using this technology. Here, we fabricate a high-quality CH3NH3PbI3 perovskite film by introducing small amounts of N-methyl-2-pyrrolidone into a Mixture of gamma-butyrolactone and dimethylsulphoxide. The perovskite film consists of compact grains (average sizes of similar to 57 nm) with unclear boundaries which show a mirror-like surface with the root mean square roughness of only 2.39 nm. The power conversion efficiency of 11.77% is obtained with the fill factor as high as 80.52% under one sun illumination (100 mW cm(-2)). Furthermore, the stability of the perovskite solar cells is greatly improved by forming compact perovskite films with excellent surfaces. The results indicate that high-quality perovskite films with compact grains are a promising choice for high-stable, efficient perovskite solar cells. (C) 2015 Elsevier B.V. All rights reserved.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Electrochemistry ; Energy & Fuels
WOS Subject Extended: Electrochemistry ; Energy & Fuels
WOS Keyword Plus: ORGANOMETAL HALIDE PEROVSKITES ; INDIUM-TIN-OXIDE ; CH3NH3PBI3 ; INTERFACE ; DEPOSITION ; LENGTHS ; LAYER
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000361772600007
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/6605
Appears in Collections:先进有机功能材料团队_期刊论文

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description.institution: 1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
2.Ocean Univ China, Dept Phys, Qingdao 266100, Peoples R China
3.Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China
4.S China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China

Recommended Citation:
Bao, Xichang,Wang, Yujin,Zhu, Qianqian,et al. Efficient planar perovskite solar cells with large fill factor and excellent stability[J]. JOURNAL OF POWER SOURCES,2015,297:53-58.
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