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Issue 29, 2015
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Polyelectrolyte based hole-transporting materials for high performance solution processed planar perovskite solar cells

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Abstract

Using polyelectrolytes (P3CT-Na) as hole-transporting materials (HTMs), high performance inverted perovskite solar cells with a PCE of 16.6% could be obtained, which was more than 20% improvement compared with those based on the PEDOT:PSS HTM (PCE of 13.7%). The performance improvement can be ascribed to the desirable match of energy levels as well as the better crystalline properties and larger grain size of CH3NH3PbCl3−xIx films on P3CT-Na. Importantly, rather good performance with PCE over 11% is achievable even if the P3CT-Na thickness ranges from 1 nm to 52 nm. Our work indicated the promising applications of polyelectrolyte based HTMs in perovskite solar cells and may provide some insights into the design and synthesis of new HTMs to further improve the device performance.

Graphical abstract: Polyelectrolyte based hole-transporting materials for high performance solution processed planar perovskite solar cells

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Publication details

The article was received on 25 Jun 2015, accepted on 29 Jun 2015 and first published on 29 Jun 2015


Article type: Communication
DOI: 10.1039/C5TA04712A
Citation: J. Mater. Chem. A, 2015,3, 15024-15029
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    Polyelectrolyte based hole-transporting materials for high performance solution processed planar perovskite solar cells

    X. Li, X. Liu, X. Wang, L. Zhao, T. Jiu and J. Fang, J. Mater. Chem. A, 2015, 3, 15024
    DOI: 10.1039/C5TA04712A

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