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Impedance analysis of perovskite solar cells: a case study

Abstract

Metal halide perovskites are mixed electronic-ionic semiconductors with an extraordinary rich optoelectronic behavior and the capability to function very efficiently as active layers in solar cells, with a record efficiency surpassing 23% nowadays. In this letter we carry out an impedance spectroscopy analysis of two perovskite solar cells with quite distinct optical and electrical characteristics, i.e. MAPbI3 and CsPbBr3-based devices. The main aim of the analysis is to establish how, regardless the inherent complexity of the impedance spectrum due to ionic effects, information like ideality factors, recombination losses and the collection efficiency can be qualitative and quantitatively assessed from impedance experiments at operating conditions.

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Publication details

The article was received on 14 Mar 2019, accepted on 09 Apr 2019 and first published on 10 Apr 2019


Article type: Paper
DOI: 10.1039/C9TA02808K
Citation: J. Mater. Chem. A, 2019, Accepted Manuscript

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    Impedance analysis of perovskite solar cells: a case study

    L. Contreras, S. Ramos-Terrón, A. Riquelme, P. P. Boix, J. A. Idígoras, I. Mora Seró and J. A. Anta, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA02808K

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