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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
发表期刊ACS Applied Materials and Interfaces
ISSN19448244
卷号9期号:4页码:3667-3676
摘要Most 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入藏号20170603334604
EI主题词Perovskite solar cells
EI分类号461.1 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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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25891
专题中国科学院上海硅酸盐研究所
作者单位1.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
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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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