Vapor treatment enables efficient and stable FAPbI3 perovskite solar cells

More info
  • ReceivedOct 13, 2020
  • AcceptedOct 14, 2020
  • PublishedOct 19, 2020


There is no abstract available for this article.

Interest statement

The authors declare no conflict of interest.


[1] https://www.nrel.gov/pv/assets/pdfs/best-research-cell-efficiencies.20200925.pdf (accessed on Oct 13, 2020). Google Scholar

[2] Jiang Q, Zhao Y, Zhang X, Yang X, Chen Y, Chu Z, Ye Q, Li X, Yin Z, You J. Nat Photonics, 2019, 13: 460-466 CrossRef ADS Google Scholar

[3] Yang WS, Noh JH, Jeon NJ, Kim YC, Ryu S, Seo J, Seok SI. Science, 2015, 348: 1234-1237 CrossRef PubMed ADS Google Scholar

[4] Chen Y, Lei Y, Li Y, Yu Y, Cai J, Chiu MH, Rao R, Gu Y, Wang C, Choi W, Hu H, Wang C, Li Y, Song J, Zhang J, Qi B, Lin M, Zhang Z, Islam AE, Maruyama B, Dayeh S, Li LJ, Yang K, Lo YH, Xu S. Nature, 2020, 577: 209-215 CrossRef PubMed ADS Google Scholar

[5] Lu H, Liu Y, Ahlawat P, Mishra A, Tress WR, Eickemeyer FT, Yang Y, Fu F, Wang Z, Avalos CE, Carlsen BI, Agarwalla A, Zhang X, Li X, Zhan Y, Zakeeruddin SM, Emsley L, Rothlisberger U, Zheng L, Hagfeldt A, Grätzel M. Science, 2020, 370: eabb8985. Google Scholar

  • Figure 1

    (a) MASCN or FASCN vapor treatment process for pure black-phase (α-) FAPbI3 perovskite film. (b) J–V curves of the champion FAPbI3 perovskite solar cell with MASCN vapor treatment. (c) EL spectra of the FAPbI3 perovskite solar cell under different bias voltages of 0.75, 0.9 and 1.0 V. (d) EQEEL and current density of the FAPbI3 perovskite under bias voltages from 0 to 1.8 V. The inset shows a photograph of the luminescence of the cell under a bias voltage of 1.45 V. (e) Operational stability test of the MASCN vapor treatment FAPbI3 perovskite solar cell [5] (color online).