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Nucleation mediated interfacial precipitation for architectural perovskite films with enhanced photovoltaic performance
Yu, Yu1,2; Yang, Songwang1; Lei, Lei1; Liu, Yan1
2017
Source PublicationNanoscale
ISSN20403364
Volume9Issue:7Pages:2569-2578
AbstractPerovskite films are a promising candidate for future highly efficient and low-cost solar cells. The long diffusion length of charge carriers in the perovskite film makes its architecture fabrication seem unnecessary, while the rapid crystallization process increases the difficulty in its architecture fabrication. Here we show the fabrication of perovskite architectures through a nucleation mediated interfacial precipitation method with the proper immiscible anti-solvent. Consecutively evolved architectures from tri-layer porous films to bilayer dense films are obtained. The interfacial precipitation provides the possibility of controlling the crystallization process of perovskite films, while the secondary nucleation is the origin of the porous architecture. The nucleation mediation can be a novel bottom-up approach to fabricate architectural perovskite films. The tri-layer architectural perovskite film exhibits excellent light absorption in the range of 500-800 nm and good photovoltaic performance with 8.2% enhancement in efficiency compared with the bilayer film for the corresponding solar cells. © The Royal Society of Chemistry.
DOI10.1039/c6nr08741h
EI Accession Number20170803374233
EI KeywordsPerovskite solar cells
EI Classification Number402 Buildings and Towers - 482.2 Minerals - 615.2 Solar Power - 702.3 Solar Cells - 741.1 Light/Optics - 802.3 Chemical Operations - 933.1.2 Crystal Growth
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25393
Collection中国科学院上海硅酸盐研究所
Affiliation1.CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 588 Heshuo Road, Shanghai; 201899, China;
2.University of Chinese Academy of Sciences, Beijing; 100039, China
Recommended Citation
GB/T 7714
Yu, Yu,Yang, Songwang,Lei, Lei,et al. Nucleation mediated interfacial precipitation for architectural perovskite films with enhanced photovoltaic performance[J]. Nanoscale,2017,9(7):2569-2578.
APA Yu, Yu,Yang, Songwang,Lei, Lei,&Liu, Yan.(2017).Nucleation mediated interfacial precipitation for architectural perovskite films with enhanced photovoltaic performance.Nanoscale,9(7),2569-2578.
MLA Yu, Yu,et al."Nucleation mediated interfacial precipitation for architectural perovskite films with enhanced photovoltaic performance".Nanoscale 9.7(2017):2569-2578.
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