Highly efficient perovskite solar cells with crosslinked PCBM interlayers

W. Qiu; J. P. Bastos; S. Dasgupta; T. Merckx; I. Cardinaletti; M. V. C. Jenart; C. B. Nielsen; R. Gehlhaar; J. Poortmans; P. Heremans; I. McCulloch; D. Cheyns

doi:10.1039/C6TA08799J

Highly efficient perovskite solar cells with crosslinked PCBM interlayers†

W. Qiu,

*^ab J. P. Bastos,

^ac S. Dasgupta,^a T. Merckx,^a I. Cardinaletti,^d M. V. C. Jenart,^e C. B. Nielsen,

^ef R. Gehlhaar,^a J. Poortmans,^ac P. Heremans,*^ac I. McCulloch^g and D. Cheyns^a

Author affiliations

* Corresponding authors

^a IMEC, Kapeldreef 75, Heverlee, Belgium
E-mail: Weiming.Qiu@imec.be, Paul.Heremans@imec.be

^b MTM, KU Leuven, Heverlee, Belgium

^c ESAT, KU Leuven, Heverlee, Belgium

^d Hasselt University, IMO-IMOMEC, Diepenbeek, Belgium

^e Department of Chemistry, Centre for Plastic Electronics, Imperial College London, UK

^f Materials Research Institute, School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London E1 4NS, UK

^g Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia

Abstract

Commercially available phenyl-C₆₁-butyric acid methyl ester (PCBM) is crosslinked with 1,6-diazidohexane (DAZH), resulting in films resistant to common solvents used in perovskite solar cell processing. By using crosslinked PCBM as an interlayer and (HC(NH₂)₂)_0.66(CH₃NH₃)_0.34PbI_2.85Br_0.15 as the active layer, we achieve small area devices and modules with a maximum steady-state power conversion efficiency of 18.1% and 14.9%, respectively.

Journal of Materials Chemistry A

Highly efficient perovskite solar cells with crosslinked PCBM interlayers†

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Highly efficient perovskite solar cells with crosslinked PCBM interlayers

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