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Title: | Low-cost electrodes for stable perovskite solar cells | Authors: | Bastos, Joao P. Manghooli, Sara Jaysankar, Manoj Tait, Jeffrey G. Qiu, Weiming Gehlhaar, Robert De Volder, Michael Uytterhoeven, Griet POORTMANS, Jef Paetzold, Ulrich W. |
Issue Date: | 2017 | Publisher: | AMER INST PHYSICS | Source: | APPLIED PHYSICS LETTERS, 110(23), p. 1-5 (Art N° 233902) | Abstract: | Cost-effective production of perovskite solar cells on an industrial scale requires the utilization of exclusively inexpensive materials. However, to date, highly efficient and stable perovskite solar cells rely on expensive gold electrodes since other metal electrodes are known to cause degradation of the devices. Finding a low-cost electrode that can replace gold and ensure both efficiency and long-term stability is essential for the success of the perovskite-based solar cell technology. In this work, we systematically compare three types of electrode materials: multi-walled carbon nanotubes (MWCNTs), alternative metals (silver, aluminum, and copper), and transparent oxides [indium tin oxide (ITO)] in terms of efficiency, stability, and cost. We show that multi-walled carbon nanotubes are the only electrode that is both more cost-effective and stable than gold. Devices with multi-walled carbon nanotube electrodes present remarkable shelf-life stability, with no decrease in the efficiency even after 180 h of storage in 77% relative humidity (RH). Furthermore, we demonstrate the potential of devices with multi-walled carbon nanotube electrodes to achieve high efficiencies. These developments are an important step forward to mass produce perovskite photovoltaics in a commercially viable way. Published by AIP Publishing. | Notes: | [Bastos, Joao P.; Manghooli, Sara; Jaysankar, Manoj; Tait, Jeffrey G.; Qiu, Weiming; Gehlhaar, Robert; Uytterhoeven, Griet; Poortmans, Jef; Paetzold, Ulrich W.] Imec Partner Solliance, B-3001 Heverlee, Belgium. [Bastos, Joao P.; Jaysankar, Manoj; Tait, Jeffrey G.; Poortmans, Jef] Katholieke Univ Leuven, Dept Elect Engn, B-3001 Leuven, Belgium. [Manghooli, Sara] Politecn Milan, Dept Mat Engn, I-20133 Milan, Italy. [Qiu, Weiming] Katholieke Univ Leuven, Dept Mat Engn, B-3001 Leuven, Belgium. [De Volder, Michael] Univ Cambridge, Dept Engn, IFM, Cambridge CB3 0FS, England. [Poortmans, Jef] Hasselt Univ, Inst Mat Res, B-3590 Diepenbeek, Belgium. [Poortmans, Jef] IMEC Associated Lab IMOMEC, B-3590 Diepenbeek, Belgium. [Paetzold, Ulrich W.] Karlsruhe Inst Technol, IMT, D-76344 Karlsruhe, Germany. [Paetzold, Ulrich W.] Karlsruhe Inst Technol, LTI, D-76131 Karlsruhe, Germany. | Document URI: | http://hdl.handle.net/1942/24862 | ISSN: | 0003-6951 | e-ISSN: | 1077-3118 | DOI: | 10.1063/1.4984284 | ISI #: | 000403347700050 | Rights: | Published by AIP Publishing | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2018 |
Appears in Collections: | Research publications |
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bastos2017.pdf | Published version | 735.55 kB | Adobe PDF | View/Open |
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