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High performance indium tin oxide-free solution-processed organic light emitting diodes based on inkjet-printed fine silver grid lines

Hoch leistungsfähige Indiumzinnoxid-freie lösungsprozessierte organische Licht emittierende Dioden basiert auf inkjet gedruckten feinen Silber-Grid-Linien
: Hermerschmidt, Felix; Burguès-Ceballos, Ignasi; Saava, Achilleas; Sepos, Eleftherios D; Lange, Alexander; Boeffel, Christine; Nau, Sebastian; List-Kratochvil, Emil J.W.; Choulis, Stelios A.


Flexible and printed electronics 1 (2016), No.3, Art. 035004, 11 pp.
ISSN: 2058-8585
European Commission EC
FP7-NMP; 604568; PLASMAS
Printed Logic for Applications of Screen Matrix Activation Systems
Journal Article
Fraunhofer IAP ()
organic light emitting diodes; ITO-free electrodes; silver nanoparticle grids; inkjet printing; printed electronics

We report on the grid design requirements and inkjet-printing processing conditions of well-defined silver nanoparticles combined with poly(3,4-ethylenedioxylthiophene):poly(styrenesulfonate) PEDOT:PSS as indium tin oxide (ITO) replacement for ITO-free organic light emitting diodes (OLEDs). Solution-processed ITO-free OLEDs based on the 5BTF8 blend of poly(9,9-dioctylfluorene- alt-benzothiadiazole (F8BT) and poly(9,9-di-n-octylfluorenyl-2,7-diyl) (PFO) light-emitting layers, processed in ambient conditions, showed comparable luminance efficiency and power efficiency values to reference devices based on ITO and near identical efficiencies at low luminance values.