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Issue 130, 2015
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Slow photocharging and reduced hysteresis in low-temperature processed planar perovskite solar cells

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Abstract

High efficient organolead trihalide perovskite solar cells typically utilize high temperature processed TiO2 as the electron transporting layer (ETL). A new method for the preparation of low temperature processed amorphous TiO2 as the ETL in planar perovskite solar cells is demonstrated. The proposed technique allowed the entire fabrication of perovskite solar cells with power conversion efficiencies as high as 13.7%, to take place at temperatures lower than 150 °C. We revealed that the source of device efficiency lies in the fast and balanced charge transport within the selective contacts as well as the effective charge extraction from the perovskite.

Graphical abstract: Slow photocharging and reduced hysteresis in low-temperature processed planar perovskite solar cells

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Publication details

The article was received on 12 Nov 2015, accepted on 12 Dec 2015 and first published on 15 Dec 2015


Article type: Communication
DOI: 10.1039/C5RA23845E
Citation: RSC Adv., 2015,5, 107771-107776
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    Slow photocharging and reduced hysteresis in low-temperature processed planar perovskite solar cells

    N. Vaenas, D. Konios, T. Stergiopoulos and E. Kymakis, RSC Adv., 2015, 5, 107771
    DOI: 10.1039/C5RA23845E

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