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Article Dans Une Revue Solar RRL Année : 2022

Silver Nanowire Electrodes Integrated in Organic Solar Cells with Thick Active Layer Based on a Low-Cost Donor Polymer

Issoufou Ibrahim Zamkoye
  • Fonction : Auteur
Johann Bouclé
  • Fonction : Auteur
Bruno Lucas
  • Fonction : Auteur
S Vedraine

Résumé

Transparent electrodes are a key component in the manufacturing of optoelectronic devices such as LEDs, touch screens, and solar cells. The transparent electrode commonly used in this field is based on indium tin oxide (ITO). It contains indium, which is an expensive, rare, difficult to extract and depleting element, hence the need to find an alternative. Silver Nanowire (AgNW) electrodes are one of the best alternatives due to their excellent electrical, optical, and mechanical properties. In this work we show that embedding AgNWs between two layers of ZnO nanoparticles (ZnONPs) leads to superior optical and electrical performance. The validation of the ZnONPs /AgNWs/ ZnONPs (ZAZ) electrode using the reference PF2:PC70BM organic active layer, known to resent a long carrier lifetime, in inverted solar cell architectures shows an increased absorption of the active layer. This enhancement is due to the electrical field resulting from plasmonic resonance since the absorption is proportional to the square of the electric field amplitude. Through photoluminescence spectroscopy, we also observed a shorter exciton lifetime in PF2 in the presence of AgNWs. All these processes lead to improved photovoltaic performance compared to ITO-based reference, with 39% increase in photocurrent and 33% increase of overall power conversion efficiency.

Domaines

Matériaux
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Dates et versions

hal-04278076 , version 1 (13-11-2023)

Identifiants

Citer

Issoufou Ibrahim Zamkoye, Johann Bouclé, Nicolas Leclerc, Bruno Lucas, S Vedraine. Silver Nanowire Electrodes Integrated in Organic Solar Cells with Thick Active Layer Based on a Low-Cost Donor Polymer. Solar RRL, 2022, 7 (2), pp.2200756. ⟨10.1002/solr.202200756⟩. ⟨hal-04278076⟩
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