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Issue 11, 2016
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Efficient vacuum deposited p-i-n and n-i-p perovskite solar cells employing doped charge transport layers

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Abstract

Methylammonium lead halide perovskites have emerged as high performance photovoltaic materials. Most of these solar cells are prepared via solution-processing and record efficiencies (>20%) have been obtained employing perovskites with mixed halides and organic cations on (mesoscopic) metal oxides. Here, we demonstrate fully vacuum deposited planar perovskite solar cells by depositing methylammonium lead iodide in between intrinsic and doped organic charge transport molecules. Two configurations, one inverted with respect to the other, p-i-n and n-i-p, are prepared and optimized leading to planar solar cells without hysteresis and very high efficiencies, 16.5% and 20%, respectively. It is the first time that a direct comparison between these two opposite device configurations has been reported. These fully vacuum deposited solar cells, employing doped organic charge transport layers, validate for the first time vacuum based processing as a real alternative for perovskite solar cell preparation.

Graphical abstract: Efficient vacuum deposited p-i-n and n-i-p perovskite solar cells employing doped charge transport layers

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Publication details

The article was received on 20 Jul 2016, accepted on 20 Sep 2016 and first published on 20 Sep 2016


Article type: Paper
DOI: 10.1039/C6EE02100J
Citation: Energy Environ. Sci., 2016,9, 3456-3463
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    Efficient vacuum deposited p-i-n and n-i-p perovskite solar cells employing doped charge transport layers

    C. Momblona, L. Gil-Escrig, E. Bandiello, E. M. Hutter, M. Sessolo, K. Lederer, J. Blochwitz-Nimoth and H. J. Bolink, Energy Environ. Sci., 2016, 9, 3456
    DOI: 10.1039/C6EE02100J

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