Inkjet printed silver nanowire percolation networks as electrodes for highly efficient semitransparent organic solar cells |
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| Affiliation: | 1. Bavarian Center for Applied Energy Research (ZAE Bayern), Haberstraße 2a, 91058 Erlangen, Germany;2. Durst Phototechnik, Digital Technology GmbH, Julius-Durst-Straße 11, 9900 Lienz, Austria;3. Institute of Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander University Erlangen-Nürnberg, Martensstraße 7, 91058 Erlangen, Germany;1. Department of Energy Conversion and storage, Technical University of Denmark, Frederiksborgvej 399, DK-4000 Roskilde, Denmark;2. Department of Electronic Technology, Polytechnic University of Cartagena Campus, Muralla del Mar, 30202 Cartagena, Spain;1. Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany;2. InnovationLab, Speyererstrasse 4, 69115 Heidelberg, Germany;1. Department of Materials Science, I-MEET (WW6), Friedrich-Alexander-University of Erlangen-Nuremberg, Martensstraße 7, 91058 Erlangen, Germany;2. Bavarian Center for Applied Energy Research (ZAE Bayern), Am Weichselgarten 7, 91058 Erlangen, Germany;1. Max Planck Institute for the Science of Light, Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany;2. Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner Platz 1, 14109 Berlin, Germany;3. Institute of Optics, Information and Photonics, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Staudtstr. 7/B2, 91058 Erlangen, Germany;4. Innovation Center, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia;5. Center for Nanoanalysis and Electron Microscopy (CENEM), Friedrich-Alexander University Erlangen-Nürnberg (FAU), Cauerstr. 6, 91058 Erlangen, Germany;1. Research Institute of Tsinghua University in Shenzhen, High-Tech Industry Park, Nanshan District, Shenzhen 518057, PR China;2. Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen University Town, Xili, Shenzhen 518055, PR China |
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| Abstract: | In this work, we demonstrate inkjet printing of silver nanowires (AgNW) with an average length of 10's of μm using industrial printheads with nozzle diameters in the same size range. The printed silver nanowire mesh reveals uniform distribution and a good balance between conductivity and transmittance, which is comparable to layers fabricated by conventional methods like slot-die or spray coating. Employing a novel AgNW ink formulation based on a high boiling alcohol allows printing directly on PEDOT:PSS and prevents nozzle clogging. Using silver nanowire meshes as bottom and top electrodes, a fully inkjet printed semitransparent organic solar cell with a power conversion efficiency of 4.3% for 1 cm2 area is demonstrated, which is the highest value reported so far for fully inkjet printed organic photovoltaic cells. |
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| Keywords: | Inkjet Nanowire Organic photovoltaics Semitransparent electrode |
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