Jump to main content
Jump to site search


A mixed (5-AVA)xMA1-xPbI3-y(BF4)y perovskite enhances photovoltaic performance of hole-conductor-free printable mesoscopic solar cells

Abstract

We report on a simple one-step solution processing strategy to fabricate new stable mixed cation/mixed halide (5-AVA)xMA1-xPbI3-y(BF4)y perovskites solar cells. The results showed that the power conversion efficiency (PCE) of the optimized mixed (5-AVA)0.034MA0.966PbI2.95(BF4)0.05 perovskites solar cells was substantially increased to 15.5% with a remarkable high VOC of 0.97 V. We have analyzed different mixed perovskites focusing on the characterization of the charge recombination by means of intensity-modulated photovoltage spectroscopy. On the one hand, our study discloses that the incorporation of MABF4 into (5-AVA)0.034MA0.966PbI3 perovskite help to reduces the charge recombination in the mixed perovskite cells, thus improving the open circuit voltage of the device. Furthermore, the new mixed perovskite was demonstrated to produce high-quality perovskite crystals and enhance the conductivity of the mixed perovskite.

Back to tab navigation

Supplementary files

Publication details

The article was received on 31 Oct 2017, accepted on 04 Jan 2018 and first published on 10 Jan 2018


Article type: Paper
DOI: 10.1039/C7TA09604F
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
  •   Request permissions

    A mixed (5-AVA)xMA1-xPbI3-y(BF4)y perovskite enhances photovoltaic performance of hole-conductor-free printable mesoscopic solar cells

    Y. Sheng, A. Mei, S. Liu, M. Duan, P. Jiang, C. Tian, Y. Xiong, Y. Rong, H. Han and Y. Hu, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C7TA09604F

Search articles by author

Spotlight

Advertisements