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CsPbI2.69Br0.31 Solar Cells from A Low-Temperature Fabrication

Abstract

A low-temperature one-step solution process for cesium lead iodide perovskite solar cells (PSCs) was developed by adding hydrobromic acid (HBr) into the precursor solution. CsPbI2.69Br0.31 was confirmed as the best structure, with a bandgap of 1.75 eV. A 9.58% power conversion efficiency (PCE) was achieved, which was the highest for PEDOT:PSS-based inorganic perovskite solar cells. The device efficiency decreased 4% after being stored in N2 for 1200 hours.

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Publication details

The article was accepted on 08 Apr 2019 and first published on 13 Apr 2019


Article type: Research Article
DOI: 10.1039/C9QM00168A
Citation: Mater. Chem. Front., 2019, Accepted Manuscript

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    CsPbI2.69Br0.31 Solar Cells from A Low-Temperature Fabrication

    L. Ding, S. Wang, Y. Hua, M. Wang and F. Liu, Mater. Chem. Front., 2019, Accepted Manuscript , DOI: 10.1039/C9QM00168A

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