Fully solution-processed organic solar cells on metal foil substrates

Whitney Gaynor, Jung-Yong Lee, Peter Peumans

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

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.
Original languageEnglish (US)
Title of host publicationOrganic Photovoltaics X
PublisherSPIE-Intl Soc Optical Eng
ISBN (Print)9780819477064
DOIs
StatePublished - Aug 19 2009
Externally publishedYes

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