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Pyrrolidinium containing perovskites of thermal stability and water resistance for photovoltaics

Abstract

The commonly employed methyl-ammonium containing perovskites are unstable at high temperature or under moisture attack, thus limiting their commercial applications. To overcome this barrier, a new perovskite possessing both thermal stability and water resistance has been constructed, involving pyrrolidinium rings (CH2)4NH2PbI3 (PyPbI3), through a simple solution-processed method. It presents not only prolonged moisture resistance and a favorable bandgap of 1.80 eV, as determined by P-XRD and UV absorption , but also excellent thermal stability, as verified via in-situ XRD technique. The new structure may be applicable to the perovskite solar cells of improved thermal stability and water resistance.

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Publication details

The article was received on 24 May 2019, accepted on 09 Aug 2019 and first published on 13 Aug 2019


Article type: Paper
DOI: 10.1039/C9TC02800E
J. Mater. Chem. C, 2019, Accepted Manuscript

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    Pyrrolidinium containing perovskites of thermal stability and water resistance for photovoltaics

    A. F. Xu, R. T. Wang, W. Yang, G. Xu, R. Lapierre and N. Isik Gaktas, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC02800E

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