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Orientationally engineered 2D/3D perovskite for high efficiency solar cells

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Abstract

Recently, the focus on perovskite solar cell researchers has shifted from 3D perovskites to hybrid 2D/3D multidimensional perovskite, in which a large cation is used as a spacer between the [PbX6]4− layers. 2D/3D perovskites are stable as compared to 3D ones but they suffer from inferior photovoltaic performance. Herein, we report a highly efficient anilinium based 2D/3D perovskite with improved PCE of 16%. We have utilized a better compositional management, which has resulted in a 2D/3D perovskite, in which a 2D layered perovskite An2PbI4 coherently exists with a bulk of 3D MAPbI3 perovskite periodically oriented in the vertical direction. This new 2D/3D perovskite has surpassed 3D MAPbI3 in terms of not only photovoltaic performance but also in PL emission, surface morphology, and surface potential.

Graphical abstract: Orientationally engineered 2D/3D perovskite for high efficiency solar cells

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Publication details

The article was received on 18 Sep 2019, accepted on 12 Oct 2019 and first published on 15 Oct 2019


Article type: Paper
DOI: 10.1039/C9SE00817A
Sustainable Energy Fuels, 2020, Advance Article

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    Orientationally engineered 2D/3D perovskite for high efficiency solar cells

    M. S. Abbas, S. Hussain, J. Zhang, B. Wang, C. Yang, Z. Wang, Z. Wei and R. Ahmad, Sustainable Energy Fuels, 2020, Advance Article , DOI: 10.1039/C9SE00817A

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