1、perovskite solar cells钙钛矿太阳能电池Supporting information forFlexible, Hole Transporting Layer-free and Stable CH3NH3PbI3/PC61BM Planar Heterojunction Perovskite Solar CellsYong Zhanga, Xiaotian Hua, Lie Chena,b, Zengqi Huanga, Qingxia Fua, Yawen Liua, Lin Zhanga, Yiwang Chen*a,baCollege of Chemistry/Ins
2、titute of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, ChinabJiangxi Provincial Key Laboratory of New Energy Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, ChinaCorresponding author. Tel.: +86 791 83968703; fax: +86 791 83969561. E-mail: ywchen (Y. Chen)Figur
3、e S1. Scanning electron microscopy images of a CH3NH3PbI3 perovskite film on ITO/PEDOT:PSS substrate.Figure S2. Tapping-mode atomic force microscopy phase images of (a) ITO substrate, (b) PEDOT:PSS on ITO substrate, (c) CH3NH3PbI3 on bare ITO substrate, (d) CH3NH3PbI3 on ITO/PEDOT:PSS substrate with
4、 an area of 5m5m.Figure S3. The absorbance of the CH3NH3PbI3 perovskite films based on HTL-free and PEDOT:PSS HTL.Figure S4. The elemental energy dispersive spectroscopy maps of the distribution of In, Al, N and O in HTL-free perovskite, respectively.Figure S5. (a) The J-V curve of the best-performi
5、ng PEDOT:PSS HTL perovskite solar cell with the structure of glass/ITO/PEDOT:PSS/CH3NH3PbI3/PC61BM/Al. The curve was measured by Keithley 2400 under AM 1.5 G simulated irradiation. (b) The corresponding IPCE spectrum of the best performance PEDOT:PSS HTL perovskite solar cell, the calculated Jsc is
6、18.5 mA cm-2.Figure S6. UPS spectra cut-off of perovskite on HTL-free and PEDOT:PSS HTL.Figure S7. Histograms of (a) Voc, (b) Jsc, (c) FF, and (d) PCE measured for 40 samples with a structure of ITO/CH3NH3PbI3/PC61BM/Al.Figure S8. Forward (from Jsc to Voc) and reverse (from Voc to Jsc) scan current
7、density-voltage curves for the inverted perovskite solar cells with the structure of glass/ITO/PEDOT:PSS/CH3NH3PbI3/PC61BM/Al. The curves were measured by Keithley 2400 under AM 1.5 G simulated irradiation.Figure S9. Cross-sectional scanning electron microscope images for the structure of glass/ITO/
8、PEDOT:PSS/CH3NH3PbI3.Figure S10. Histograms of summary fabricating time for of HTL-free perovskite solar cell, reference 11 and reference 22.Table S1. The detail fabrication time used for the three kinds structure of perovskite.1,2aThe fabrication procedure time of the reference device was calculate
9、d by repeated the optimum condition experiment. bThe HTL-free perovskite solar cell is the structure we studied in this work.1. Z. Xiao, C. Bi, Y. Shao, Q. Dong, Q. Wang, Y. Yuan, C. Wang, Y. Gao and J. Huang, Energy Environ. Sci. 2014, 7, 2619-2623.2. H.-S. Kim, C.-R. Lee, J.-H. Im, K.-B. Lee, T. Moehl, A. Marchioro, S.-J. Moon, R. Humphry-Baker, J.-H. Yum, J. E. Moser, M. Gratzel and N.-G. Park, Sci. Rep. 2012, 2, 591 (1-7).
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