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Issue 30, 2015
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Inverted planar NH2CH[double bond, length as m-dash]NH2PbI3 perovskite solar cells with 13.56% efficiency via low temperature processing

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Abstract

In this work, NH2CH[double bond, length as m-dash]NH2PbI3 (FAPbI3) was employed for light harvesting in inverted planer perovskite solar cells for the first time. Except for the silver cathode, all layers were solution-processed under or below 140 °C. The effect of the annealing process on device performance was investigated. The FAPbI3 solar cells based on a slowed-down annealing shows superior performance compared to the CH3NH3PbI3 (MAPbI3)-based devices, especially for the short circuit current density. A power conversion efficiency of 13.56% was obtained with high short circuit current density of 21.48 mA cm−2. This work paves the way for low-temperature fabrication of efficient inverted planer structure FAPbI3 perovskite solar cells.

Graphical abstract: Inverted planar NH2CH [[double bond, length as m-dash]] NH2PbI3 perovskite solar cells with 13.56% efficiency via low temperature processing

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Publication details

The article was received on 11 May 2015, accepted on 10 Jun 2015 and first published on 12 Jun 2015


Article type: Paper
DOI: 10.1039/C5CP02705E
Citation: Phys. Chem. Chem. Phys., 2015,17, 19745-19750
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    Inverted planar NH2CH[double bond, length as m-dash]NH2PbI3 perovskite solar cells with 13.56% efficiency via low temperature processing

    D. Yuan, A. Gorka, M. Xu, Z. Wang and L. Liao, Phys. Chem. Chem. Phys., 2015, 17, 19745
    DOI: 10.1039/C5CP02705E

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