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Proceedings Paper

Transparent electrode materials for solar cells
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Paper 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.

Paper Details

Date Published: 5 May 2008
PDF: 9 pages
Proc. SPIE 7002, Photonics for Solar Energy Systems II, 700210 (5 May 2008); doi: 10.1117/12.781275
Show Author Affiliations
Jan Meiss, Technische Univ. Dresden (Germany)
Christian L. Uhrich, heliatek GmbH (Germany)
Karsten Fehse, Technische Univ. Dresden (Germany)
Steffen Pfuetzner, Technische Univ. Dresden (Germany)
Moritz K. Riede, Technische Univ. Dresden (Germany)
Karl Leo, Technische Univ. Dresden (Germany)


Published in SPIE Proceedings Vol. 7002:
Photonics for Solar Energy Systems II
Andreas Gombert, Editor(s)

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