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Transparent, dip-coated silver nanowire electrodes for small molecule organic solar cells

 
: Sachse, C.; Müller-Meskamp, L.; Bormann, L.; Kim, Y.H.; Lehnert, F.; Philipp, A.; Beyer, B.; Leo, K.

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Organic Electronics 14 (2013), Nr.1, S.143-148
ISSN: 1566-1199
Englisch
Zeitschriftenaufsatz
Fraunhofer COMEDD; 2015 ()

Abstract
Percolation networks from silver nanowires can be used as a transparent electrode and promising alternative to the commonly used ITO. Here, the deposition of such a nanowire based network by dip coating, a versatile and scalable method, is described and characterized in detail. After identifying appropriate processing parameters, nanowire grids with conductivity and transmittance values rivaling ITO have been achieved. As a main issue, the roughness of the film was addressed and the influence on the device in terms of shunt paths was investigated. Using this network as anode, small molecule organic solar cells with varying stack structure were fabricated and yield efficiencies comparable to cells on ITO.

: http://publica.fraunhofer.de/dokumente/N-234423.html