Jump to main content
Jump to site search


Facile Surface Modification upon CH3NH3PbI3 Films Leading to Simultaneously Improved Efficiency and Stability of Inverted Perovskite Solar Cells

Abstract

The intrinsic stability issues of organo-metal halides perovskite materials induced by moisture, heat, light and electrical field constitute big obstacles preventing perovskite solar cells (PSCs) from industrialized application. Herein, we have demonstrated that when a hydrophobic organic acid molecule, 4-Dimethylaminobenzoic acid, is introduced to modify the top surface of CH3NH3PbI3 thin film, it can realize a facile way to simultaneously enhance stability and efficiency of the corresponding PSCs. This surface modification can not only improve the perovskite film’s electronic quality but also provide it with certain water-proof capability. Accordingly, the efficiency of the inverted PSC is improved from 17.43% to 19.87%. More encouragingly, after 1 sun light soaking, 85 °C thermal aging, and high humidity (70%) aging for 1000 hours, the modified CH3NH3PbI3 based PSCs can retain 91%, 81% and 98% efficiency, respectively.

Back to tab navigation

Supplementary files

Publication details

The article was received on 09 Jan 2018, accepted on 13 Feb 2018 and first published on 15 Feb 2018


Article type: Paper
DOI: 10.1039/C8TA00267C
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
  •   Request permissions

    Facile Surface Modification upon CH3NH3PbI3 Films Leading to Simultaneously Improved Efficiency and Stability of Inverted Perovskite Solar Cells

    H. Zhu, B. Huang, S. Wu, Z. Xiong, J. Li and W. Chen, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA00267C

Search articles by author

Spotlight

Advertisements