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Proceedings Paper

Fully solution-processed organic solar cells on metal foil substrates
Author(s): Whitney Gaynor; Jung-Yong Lee; Peter Peumans
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Paper Abstract

We demonstrate fully solution-processed organic photovoltaic cells on metal foil substrates with power conversion efficiencies similar to those obtained in devices on transparent substrates. The cells are based on the regioregular poly- (3-hexylthiophene) and C61 butyric acid methyl ester bulk heterojunction system. The bottom electrode is a silver film whose workfunction is lowered by Cs2CO3 using spin-coating to serve as a cathode. The transparent top anode consists of a conductive polymer in combination with a solution-processed silver nanowire mesh that is laminated onto the devices. Each layer of the device, including the transparent electrode, is fabricated from solution, giving rise to the possibility of completely printed solar cells on low-cost substrates.

Paper Details

Date Published: 28 August 2009
PDF: 7 pages
Proc. SPIE 7416, Organic Photovoltaics X, 741614 (28 August 2009); doi: 10.1117/12.826483
Show Author Affiliations
Whitney Gaynor, Stanford Univ. (United States)
Jung-Yong Lee, Stanford Univ. (United States)
Peter Peumans, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 7416:
Organic Photovoltaics X
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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