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Roll-to-Roll Compatible Sintering of Inkjet Printed Features by Photonic and Microwave Exposure: From Non-Conductive Ink to 40% Bulk Silver Conductivity in Less Than 15 Seconds

Authors

  • Jolke Perelaer,

    Corresponding author
    1. Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Humboldtstr. 10, 07743 Jena, Germany
    2. Dutch Polymer Institute (DPI), PO Box 513, 5600 MB Eindhoven, The Netherlands
    • Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Humboldtstr. 10, 07743 Jena, Germany.
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  • Robert Abbel,

    1. Holst Centre, High Tech Campus 31, 5656 AE Eindhoven, The Netherlands
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  • Sebastian Wünscher,

    1. Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Humboldtstr. 10, 07743 Jena, Germany
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  • Robin Jani,

    1. Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Humboldtstr. 10, 07743 Jena, Germany
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  • Tim van Lammeren,

    1. Holst Centre, High Tech Campus 31, 5656 AE Eindhoven, The Netherlands
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  • Ulrich S. Schubert

    Corresponding author
    1. Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Humboldtstr. 10, 07743 Jena, Germany
    2. Dutch Polymer Institute (DPI), PO Box 513, 5600 MB Eindhoven, The Netherlands
    • Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Humboldtstr. 10, 07743 Jena, Germany.
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Abstract

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A combination of photonic and microwave flash exposure is used to sinter inkjet printed silver nanoparticles. This approach leads to conductive features on polymer substrates in short times that are compatible with roll-to-roll production. The sequential process of sintering the as-printed features revealed a final conductivity of 40% of bulk silver, in less than 15 seconds.

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