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Ultrasmooth perovskite film via mixed anti-solvent strategy with improved efficiency
Yu, Yu1,2; Yang, Songwang1; Lei, Lei1; Cao, Qipeng1,2; Shao, Jun1,2; Zhang, Sheng1,3; Liu, Yan1
2017
Source PublicationACS Applied Materials and Interfaces
ISSN19448244
Volume9Issue:4Pages:3667-3676
AbstractMost antisolvents employed in previous research were miscible with perovskite precursor solution. They always led to fast formation of perovskite even if the intermediate stage existed, which was not beneficial to obtain high quality perovskite films and made the formation process less controllable. In this work, a novel ethyl ether/n-hexane mixed antisolvent (MAS) was used to achieve high nucleation density and slow down the formation process of perovskite, producing films with improved orientation of grains and ultrasmooth surfaces. These high quality films exhibited efficient charge transport at the interface of perovskite/hole transport material and perovskite solar cells based on these films showed greatly improved performance with the best power conversion efficiency of 17.08%. This work also proposed a selection principle of MAS and showed that solvent engineering by designing the mixed antisolvent system can lead to the fabrication of high-performance perovskite solar cells. © 2017 American Chemical Society.
DOI10.1021/acsami.6b14270
EI Accession Number20170603334604
EI KeywordsPerovskite solar cells
EI Classification Number461.1 Biomedical Engineering - 482.2 Minerals - 702.3 Solar Cells - 913.1 Production Engineering - 933.1.2 Crystal Growth - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25891
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;
3.School of Environmental and Materials Engineering, College of Engineering, Shanghai Second Polytechnic University, Shanghai; 201209, China
Recommended Citation
GB/T 7714
Yu, Yu,Yang, Songwang,Lei, Lei,et al. Ultrasmooth perovskite film via mixed anti-solvent strategy with improved efficiency[J]. ACS Applied Materials and Interfaces,2017,9(4):3667-3676.
APA Yu, Yu.,Yang, Songwang.,Lei, Lei.,Cao, Qipeng.,Shao, Jun.,...&Liu, Yan.(2017).Ultrasmooth perovskite film via mixed anti-solvent strategy with improved efficiency.ACS Applied Materials and Interfaces,9(4),3667-3676.
MLA Yu, Yu,et al."Ultrasmooth perovskite film via mixed anti-solvent strategy with improved efficiency".ACS Applied Materials and Interfaces 9.4(2017):3667-3676.
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