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, Iain McCulloch, D. Cheyns

Research output: Contribution to journalArticlepeer-review

50 Scopus citations


Commercially available phenyl-C-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(NH))(CHNH)PbIBr 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.
Original languageEnglish (US)
Pages (from-to)2466-2472
Number of pages7
JournalJ. Mater. Chem. A
Issue number6
StatePublished - 2017


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