Fast and low temperature growth of electron transport layers for efficient perovskite solar cells
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Other documents of the author: Zhang, Jie; Juarez-Perez, Emilio J.; Mora-Sero, Ivan; Viana, Bruno; Pauporté, Thierry
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comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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Title
Fast and low temperature growth of electron transport layers for efficient perovskite solar cellsDate
2015-01Publisher
Royal Society of ChemistryBibliographic citation
ZHANG, Jie, et al. Fast and low temperature growth of electron transport layers for efficient perovskite solar cells. Journal of Materials Chemistry A, 2015, vol. 3, no 9, p. 4909-4915.Type
info:eu-repo/semantics/articlePublisher version
http://pubs.rsc.org/en/content/articlehtml/2015/ta/c4ta06416jVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
We describe a fast, simple and low temperature electrochemical technique for the preparation of zinc oxide
layers on rigid and flexible substrates. The layers, prepared from a zinc nitrate precursor, are of high
s ... [+]
We describe a fast, simple and low temperature electrochemical technique for the preparation of zinc oxide
layers on rigid and flexible substrates. The layers, prepared from a zinc nitrate precursor, are of high
structural and optical quality. They have been optimized to be applied as efficient electron transport
layers in CH3NH3PbI3-sensitized perovskite solar cells (PSCs). We show that an electrodeposition time of
only two minutes and a low processing temperature are sufficient to fabricate solar cells with a power
conversion efficiency close to 11%, with a high short circuit current and a small J–V curve hysteresis. The
key parameters of the cell functioning have been analyzed over a large applied voltage range by the
impedance spectroscopy technique. The solar cell characteristic changes with the ZnO layer deposition
time are explained by the variation of the recombination and charge transfer resistances. [-]
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J. Mater. Chem. A, 2015, 3Rights
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