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An indium-free low work function window electrode for organic photovoltaics which improves with in-situ oxidation
Oliver S Hutter1, Helena M Stec, Ross A Hatton
1Department of Chemistry, University of Warwick, CV4 7AL, Coventry, United Kingdom.
Abstract:
A low-cost window electrode for organic photovoltaics that simultaneously removes the requirement for conducting oxide and conventional low work function electrodes and functions as a sink for oxygen/water in the heart of the device. Remarkably the functionality of this electrode, which is based on a 7.8 nm nanostructured Cu:Al film, improves upon in situ oxidation as demonstrated in bulk heterojunction organic photovoltaics.
