Transparent electrode materials for solar cells

Jan Meiss; Christian L. Uhrich; Karsten Fehse; Steffen Pfuetzner; Moritz K. Riede; Karl Leo

doi:10.1117/12.781275

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5 May 2008 Transparent electrode materials for solar cells

Jan Meiss; Christian L. Uhrich; Karsten Fehse; Steffen Pfuetzner; Moritz K. Riede; Karl Leo

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Proceedings Volume 7002, Photonics for Solar Energy Systems II; 700210 (2008) https://doi.org/10.1117/12.781275
Event: SPIE Photonics Europe, 2008, Strasbourg, France

Abstract

Alternatives for replacing the expensive ITO are explored and Poly(ethylene dioxythiophene):polystyrene sulfonate (PEDOT:PSS) is introduced as one possibility. We present the first small-molecule organic solar cells employing only PEDOT:PSS as transparent electrode. Solar cells on glass and on flexible plastic foil were prepared, using a p-doped hole transporting material, zinc phthalocyanine (ZnPc) and C₆₀ as donor-acceptor heterojunction, and an exciton blocking layer. Different methods to structure the PEDOT:PSS electrodes were investigated and are presented. As proof of principle, non-optimized prototype cells with efficiencies of over 0.7% on glass and 0.9% on flexible plastic foil substrate were obtained.

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Jan Meiss, Christian L. Uhrich, Karsten Fehse, Steffen Pfuetzner, Moritz K. Riede, and Karl Leo "Transparent electrode materials for solar cells", Proc. SPIE 7002, Photonics for Solar Energy Systems II, 700210 (5 May 2008); https://doi.org/10.1117/12.781275

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