Issue 11, 2021

Synergetic effects of DMA cation doping and Cl anion additives induced re-growth of MA1−xDMAxPbI3 perovskites

Abstract

The simultaneous improvement of photovoltaic performance and stability is crucial for further commercial development of MAPbI3 perovskites. Here we report a dual-ion exchange and alloying method using DMACl (dimethylammonium chloride) to improve the stability and charge transport ability. The synergetic effect of the DMA cation and Cl anion induces the re-growth of perovskite crystals and forms cubic phase MA1−xDMAxPbI3. As a result, the efficiency and stability of DMACl-based MAPbI3 perovskite solar cells are significantly improved. Such dual-function of DMA cation doping and the Cl anion additive provides an effective strategy for the control of MAPbI3 perovskite crystallization.

Graphical abstract: Synergetic effects of DMA cation doping and Cl anion additives induced re-growth of MA1−xDMAxPbI3 perovskites

Supplementary files

Article information

Article type
Communication
Submitted
21 Yan 2021
Accepted
25 Dzi 2021
First published
26 Dzi 2021

Sustainable Energy Fuels, 2021,5, 2860-2864

Synergetic effects of DMA cation doping and Cl anion additives induced re-growth of MA1−xDMAxPbI3 perovskites

G. Luo, Y. Chen, X. Wang, M. Ren, N. Wei, J. Shi, Y. Miao, T. Zhang, T. Wang and Y. Zhao, Sustainable Energy Fuels, 2021, 5, 2860 DOI: 10.1039/D1SE00262G

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