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Enhanced morphology and stability of high-performance perovskite solar cells with ultra-smooth surface and high fill factor via crystal growth engineering
Ye, Jiajiu1,2; Zhang, Xuhui2; Zhu, Liangzheng2; Zheng, Haiying2; Liu, Guozhen1,2; Wang, Hongxia4; Hayat, Tasawar3; Pan, Xu2; Dai, Songyuan1,3
2017-06-01
Source PublicationSUSTAINABLE ENERGY & FUELS
ISSN2398-4902
Volume1Issue:4Pages:907-914
Abstract

Since solvent engineering methods were applied to the treatment of perovskite films, the performance of perovskite solar cells (PSCs) has shown rapid growth and remarkable achievements have been made. Here we report a highly reproducible method for controlling perovskite crystal growth by a spraying anti-solvent process, which is quite different from conventional dripping methods. The results showed that the change of the method by which the anti-solvent is used has a significant impact on the morphology and formation of the perovskite. It has a high probability to form a mirror-like surface without wave-circle or ring defects, and to obtain a longer carrier lifetime than crystals formed by by dripping. After optimizing the spraying operating conditions, the optimal device based on FA(0.81)MA(0.15)Cs(0.025)PbI(2.5)Br(0.45) obtained a PCE of 19.21%. Particularly, this method exhibited good reproducibility and a high fill factor due to the reduced crystal defects in the film. The champion cell obtained a fill factor as high as 80.84%, measured at AM 1.5G, 100 mW cm(-2). It is expected that these findings can be beneficial for the future integrated applications of these perovskites.

DOI10.1039/c7se00036g
WOS KeywordORGANOMETAL HALIDE PEROVSKITES ; CH3NH3PBI3 PEROVSKITE ; EFFICIENT ; DEPOSITION ; RECOMBINATION ; CRYSTALLIZATION ; ROUTE
Indexed BySCI
Language英语
Funding ProjectNational High Technology Research and Development Program of China[2015AA050602] ; Science and Technology Support program of Jiangsu Province[BE2014147-4] ; External Cooperation Program of BIC, Chinese Academy of Sciences[GJHZ1607]
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000422783100024
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/35154
Collection应用技术研究所
Corresponding AuthorPan, Xu; Dai, Songyuan
Affiliation1.North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
2.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Appl Technol, Key Lab Novel Thin Film Solar Cells, Hefei 230031, Anhui, Peoples R China
3.King Abdulaziz Univ, Fac Sci, Dept Math, Jeddah 21589, Saudi Arabia
4.Queensland Univ Technol, Sch Chem Phys & Mech Engn, Brisbane, Qld 4001, Australia
Recommended Citation
GB/T 7714
Ye, Jiajiu,Zhang, Xuhui,Zhu, Liangzheng,et al. Enhanced morphology and stability of high-performance perovskite solar cells with ultra-smooth surface and high fill factor via crystal growth engineering[J]. SUSTAINABLE ENERGY & FUELS,2017,1(4):907-914.
APA Ye, Jiajiu.,Zhang, Xuhui.,Zhu, Liangzheng.,Zheng, Haiying.,Liu, Guozhen.,...&Dai, Songyuan.(2017).Enhanced morphology and stability of high-performance perovskite solar cells with ultra-smooth surface and high fill factor via crystal growth engineering.SUSTAINABLE ENERGY & FUELS,1(4),907-914.
MLA Ye, Jiajiu,et al."Enhanced morphology and stability of high-performance perovskite solar cells with ultra-smooth surface and high fill factor via crystal growth engineering".SUSTAINABLE ENERGY & FUELS 1.4(2017):907-914.
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