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Improved photovoltaic performance in perovskite solar cells based on CH3NH3PbI3 films fabricated under controlled relative humidity
Lv, Minghang1; Dong, Xu1; Fang, Xiang1; Lin, Bencai1,2; Zhang, Shuai1,2; Xu, Xueqing4; Ding, Jianning1,2,3; Yuan, Ningyi1,2
2015
Source PublicationRSC Advances
Volume5Issue:114
AbstractBecause organic-inorganic perovskite solar cells are known to be unstable in the presence of moisture, most of the reported high-efficiency perovskite solar cells are fabricated under an inert atmosphere in a glove box. This requirement impedes mass production of organic-inorganic perovskite solar cells (PVSCs). Fabricating dense uniform perovskite thin films with high surface coverage via a single one-step solution process is also a challenge in achieving high-efficiency PVSCs. In this work, we successfully develop a facile, controllable one-step solution processing method to obtain high-quality hybrid-perovskite thin films in ambient atmosphere. The entire preparation process for CH3NH3PbI3 films is conducted in ambient air to investigate the effect of humidity on the molecular structure and crystallization of the hybrid perovskite. It is found that relative humidity (RH) and solvent are crucial factors in determining the final morphology of CH3NH3PbI3 and the photovoltaic performance. The best device efficiency achieved for a solar cell fabricated in ambient atmosphere under a RH of 28% is 16.15%; this PCE value is comparable to that of glove box-based PVSCs. This work puts forth a possible method for the easy mass production of high-performance PVSCs under ambient conditions.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra14587b
WOS Subject ExtendedChemistry
WOS KeywordTHIN-FILMS ; CRYSTALLIZATION ; DEPOSITION ; STABILITY ; SOLVENT
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000364073700033
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10893
Collection中国科学院广州能源研究所
Affiliation1.Changzhou Univ, Jiangsu Collaborat Innovat Ctr Photovolat Sci & E, Sch Mat Sci & Engn, Changzhou 213164, Jiangsu, Peoples R China
2.Changzhou Univ, Jiangsu Prov Cultivat Base State Key Lab Photovol, Changzhou 213164, Jiangsu, Peoples R China
3.Jiangsu Univ, Micro Nano Sci & Technol Ctr, Zhenjiang 212013, Peoples R China
4.Chinese Acad Sci, Renewable Energy & Gas Hydrate Key Lab, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Lv, Minghang,Dong, Xu,Fang, Xiang,et al. Improved photovoltaic performance in perovskite solar cells based on CH3NH3PbI3 films fabricated under controlled relative humidity[J]. RSC Advances,2015,5(114).
APA Lv, Minghang.,Dong, Xu.,Fang, Xiang.,Lin, Bencai.,Zhang, Shuai.,...&Yuan, Ningyi.(2015).Improved photovoltaic performance in perovskite solar cells based on CH3NH3PbI3 films fabricated under controlled relative humidity.RSC Advances,5(114).
MLA Lv, Minghang,et al."Improved photovoltaic performance in perovskite solar cells based on CH3NH3PbI3 films fabricated under controlled relative humidity".RSC Advances 5.114(2015).
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