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Open AccessArticle

Highly Efficient Reproducible Perovskite Solar Cells Prepared by Low-Temperature Processing

1
Department of Physics, University of Konstanz, 78457 Konstanz, Germany
2
Department of Chemistry, University of Konstanz, 78457 Konstanz, Germany
3
Department of Chemistry, University of Munich (LMU), 81377 Munich, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Molecules 2016, 21(4), 542; https://doi.org/10.3390/molecules21040542
Received: 4 April 2016 / Revised: 19 April 2016 / Accepted: 21 April 2016 / Published: 23 April 2016
(This article belongs to the Special Issue Perovskite Solar Cells)
In this work, we describe the role of the different layers in perovskite solar cells to achieve reproducible, ~16% efficient perovskite solar cells. We used a planar device architecture with PEDOT:PSS on the bottom, followed by the perovskite layer and an evaporated C60 layer before deposition of the top electrode. No high temperature annealing step is needed, which also allows processing on flexible plastic substrates. Only the optimization of all of these layers leads to highly efficient and reproducible results. In this work, we describe the effects of different processing conditions, especially the influence of the C60 top layer on the device performance. View Full-Text
Keywords: perovskite solar cells; perovskite solar cell structures perovskite solar cells; perovskite solar cell structures
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MDPI and ACS Style

Hu, H.; Wong, K.K.; Kollek, T.; Hanusch, F.; Polarz, S.; Docampo, P.; Schmidt-Mende, L. Highly Efficient Reproducible Perovskite Solar Cells Prepared by Low-Temperature Processing. Molecules 2016, 21, 542.

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