Highly-efficient semi-transparent organic solar cells utilising non-fullerene acceptors with optimised multilayer MoO3/Ag/MoO3 electrodes

Guangjun Sun, Munazza Shahid, Zhuping Fei, Shenda Xu, Flurin D. Eisner, Thomas D. Anthopolous, Martyn A. McLachlan, Martin Heeney

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We report the optimisation of a semi-transparent solar cell based on a blend of a recently reported high performance donor polymer (PFBDB-T) with a non-fullerene acceptor derivative (C8-ITIC). The performance is shown to strongly depend on the nature of the semi-transparent electrode, and we report the optimal fabrication conditions for a multilayer MoO3/Ag/MoO3 electrode. The effect of deposition rate and layer thickness of both the Ag and the outer MoO3 on transparency and sheet resistance is investigated, and is shown to have a significant impact on the overall device performance. The optimised PFBDB-T:C8-ITIC based devices exhibit an average power conversion efficiency (PCE) of 9.2% with an average visible transmittance (AVT) of 22%.
Original languageEnglish (US)
Pages (from-to)450-455
Number of pages6
JournalMaterials Chemistry Frontiers
Volume3
Issue number3
DOIs
StatePublished - 2019

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