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      Phenylalkylamine Passivation of Organolead Halide Perovskites Enabling High-Efficiency and Air-Stable Photovoltaic Cells

      , , , , , , ,
      Advanced Materials
      Wiley-Blackwell

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          Generalized Gradient Approximation Made Simple.

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            Synthesis of conjugated polymers for organic solar cell applications.

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              Anomalous Hysteresis in Perovskite Solar Cells.

              Perovskite solar cells have rapidly risen to the forefront of emerging photovoltaic technologies, exhibiting rapidly rising efficiencies. This is likely to continue to rise, but in the development of these solar cells there are unusual characteristics that have arisen, specifically an anomalous hysteresis in the current-voltage curves. We identify this phenomenon and show some examples of factors that make the hysteresis more or less extreme. We also demonstrate stabilized power output under working conditions and suggest that this is a useful parameter to present, alongside the current-voltage scan derived power conversion efficiency. We hypothesize three possible origins of the effect and discuss its implications on device efficiency and future research directions. Understanding and resolving the hysteresis is essential for further progress and is likely to lead to a further step improvement in performance.
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                Author and article information

                Journal
                Advanced Materials
                Adv. Mater.
                Wiley-Blackwell
                09359648
                December 2016
                December 2016
                : 28
                : 45
                : 9986-9992
                Article
                10.1002/adma.201603062
                27677653
                3a0ef5a9-7dc4-4db2-beb4-1cc8e07efa18
                © 2016

                http://doi.wiley.com/10.1002/tdm_license_1.1

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