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

doi:10.1039/C8QM00610E

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

Guangjun Sun,^a Munazza Shahid,^a Zhuping Fei,

^b Shenda Xu,^c Flurin D. Eisner,^d Thomas D. Anthopolous,

^e Martyn A. McLachlan

^b and Martin Heeney

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Centre for Plastic Electronics, Imperial College London, UK
E-mail: m.heeney@imperial.ac.uk

^b Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, Tianjin, P. R. China

^c Department of Materials and Centre for Plastic Electronics, Imperial College London, UK

^d Department of Physic and Centre for Plastic Electronics, Imperial College London, London SW7 2AZ, UK

^e Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Saudi Arabia

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%.

This article is part of the themed collections: Celebrating our 2020 Prize and Award winners, 2019 Materials Chemistry Frontiers HOT articles and Non-Fullerene Acceptors for Organic Solar Cells

Supplementary files

Article information

DOI: https://doi.org/10.1039/C8QM00610E
Article type: Research Article
Submitted: 18 ربيع الأول 1440
Accepted: 01 جمادى الأولى 1440
First published: 12 جمادى الأولى 1440

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Mater. Chem. Front., 2019,3, 450-455

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

G. Sun, M. Shahid, Z. Fei, S. Xu, F. D. Eisner, T. D. Anthopolous, M. A. McLachlan and M. Heeney, Mater. Chem. Front., 2019, 3, 450 DOI: 10.1039/C8QM00610E

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