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Issue 22, 2015
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Low-temperature, solution processed metal sulfide as an electron transport layer for efficient planar perovskite solar cells

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Abstract

Organic–inorganic halide perovskites possess excellent chemical, optical, and electronic properties that make them attractive for next-generation solar cells. In this paper, we introduce all-low-temperature processed perovskite solar cells using metal sulfide as an electron transport layer. First, we evaluated the alignment of energy levels at the perovskite/metal sulfide layer interface. The properties of metal sulfide and the perovskite layer, as well as the corresponding device performance, were then investigated. Using a CdS layer as an electron transport layer, we have achieved a maximum power conversion efficiency of 11.2% under reverse scans. The successful use of the CdS layer in perovskite solar cells likely would create new pathways and opportunities for the advancement of device design.

Graphical abstract: Low-temperature, solution processed metal sulfide as an electron transport layer for efficient planar perovskite solar cells

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Publication details

The article was received on 13 Feb 2015, accepted on 28 Apr 2015 and first published on 30 Apr 2015


Article type: Communication
DOI: 10.1039/C5TA01200G
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Citation: J. Mater. Chem. A, 2015,3, 11750-11755
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    Low-temperature, solution processed metal sulfide as an electron transport layer for efficient planar perovskite solar cells

    J. Liu, C. Gao, L. Luo, Q. Ye, X. He, L. Ouyang, X. Guo, D. Zhuang, C. Liao, J. Mei and W. Lau, J. Mater. Chem. A, 2015, 3, 11750
    DOI: 10.1039/C5TA01200G

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