Organic Solar Cells Using a ZnO/Cu/ZnO Anode Deposited by Ion Beam Sputtering at Room Temperature for Flexible Devices

Abstract : The development of indium-free transparent conductive oxides (TCOs) on polymer substrates for flexible devices requires deposition at low temperatures and a limited thermal treatment. In this paper, we investigated the optical and electrical properties of ZnO/Cu/ZnO multi-layer electrodes obtained by ion beam sputtering at room temperature for flexible optoelectronic devices. This multilayer structure has the advantage of adjusting the layer thickness to favor antireflection and surface plasmon resonance of the metallic layer. We found that the optimal electrode is made up of a 10 nmthick Cu layer between two 40 nm-thick ZnO layers, which results in a sheet resistance of 12 / , a high transmittance of 85% in the visible range, and the highest figure of merit of 5 4×10−3 / . A P3HT:PCBM-based solar cell showed a power conversion efficiency (PCE) of 2.26% using the optimized ZnO (40 nm)/Cu (10 nm)/ZnO (40 nm) anode.
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https://hal-unilim.archives-ouvertes.fr/hal-00926764
Contributeur : Rémi Antony <>
Soumis le : vendredi 10 janvier 2014 - 11:13:20
Dernière modification le : jeudi 11 janvier 2018 - 06:26:39

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Ahmad El Hajj, Bruno Lucas, Anthony Barbot, Rémi Antony, Bernard Ratier, et al.. Organic Solar Cells Using a ZnO/Cu/ZnO Anode Deposited by Ion Beam Sputtering at Room Temperature for Flexible Devices. Journal of Nanoscience and Nanotechnology, American Scientific Publishers, 2013, 13, pp.1-6. ⟨10.1166/jnn.2013.7502⟩. ⟨hal-00926764⟩

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