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Issue 21, 2017
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Nanotube enhanced carbon grids as top electrodes for fully printable mesoscopic semitransparent perovskite solar cells

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Abstract

Semitransparent solar cells have attracted significant attention for their potential applications, though obtaining high average visible transmittance (AVT) while maintaining good conversion efficiency is a challenge. Here, we report a method to fabricate fully printable semitransparent perovskite solar cells with a (5-AVA)0.05(MA)0.95PbI3 infiltrated mesoporous TiO2/Al2O3/carbon architecture. Carbon grids were printed as top electrodes, and the effects of the grid spacing on device performance were systematically investigated. Under the smallest grid spacing, the highest power conversion efficiency (PCE) of 11.31% was achieved, though the AVT was low. By adjusting the grid spacing, the highest AVT of 26.4% was obtained, though the PCE dropped to 5.36%. A thin layer of multi-walled carbon nanotubes (MWCNTs) was then introduced on the top electrode, which improved both the conductivity and charge transfer characteristic of the electrode, resulting in a high PCE of 8.21% while maintaining a good AVT of 24.0%.

Graphical abstract: Nanotube enhanced carbon grids as top electrodes for fully printable mesoscopic semitransparent perovskite solar cells

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Publication details

The article was received on 14 Feb 2017, accepted on 21 Apr 2017 and first published on 22 Apr 2017


Article type: Paper
DOI: 10.1039/C7TA01383C
Citation: J. Mater. Chem. A, 2017,5, 10374-10379
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    Nanotube enhanced carbon grids as top electrodes for fully printable mesoscopic semitransparent perovskite solar cells

    F. R. Li, Y. Xu, W. Chen, S. H. Xie and J. Y. Li, J. Mater. Chem. A, 2017, 5, 10374
    DOI: 10.1039/C7TA01383C

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