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    Robust Design of a Particle-Free Silver-Organo-Complex Ink with High Conductivity and Inkjet Stability for Flexible Electronics

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    Name:
    (a) Manuscript without highlight.pdf
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    3.975Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
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    am5b08125_si_001.pdf
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    Description:
    Supporting Information File 1
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    am5b08125_si_002.avi
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    Type
    Article
    Authors
    Vaseem, Mohammad cc
    McKerricher, Garret cc
    Shamim, Atif cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Integrated Microwave Packaging Antennas and Circuits Technology (IMPACT) Lab
    Date
    2015-12-29
    Online Publication Date
    2015-12-29
    Print Publication Date
    2016-01-13
    Permanent link to this record
    http://hdl.handle.net/10754/596254
    
    Metadata
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    Abstract
    Currently, silver-nanoparticle-based inkjet ink is commercially available. This type of ink has several serious problems such as a complex synthesis protocol, high cost, high sintering temperatures (∼200 °C), particle aggregation, nozzle clogging, poor shelf life, and jetting instability. For the emerging field of printed electronics, these shortcomings in conductive inks are barriers for their widespread use in practical applications. Formulating particle-free silver inks has potential to solve these issues and requires careful design of the silver complexation. The ink complex must meet various requirements, such as in situ reduction, optimum viscosity, storage and jetting stability, smooth uniform sintered films, excellent adhesion, and high conductivity. This study presents a robust formulation of silver–organo-complex (SOC) ink, where complexing molecules act as reducing agents. The 17 wt % silver loaded ink was printed and sintered on a wide range of substrates with uniform surface morphology and excellent adhesion. The jetting stability was monitored for 5 months to confirm that the ink was robust and highly stable with consistent jetting performance. Radio frequency inductors, which are highly sensitive to metal quality, were demonstrated as a proof of concept on flexible PEN substrate. This is a major step toward producing high-quality electronic components with a robust inkjet printing process.
    Citation
    Robust Design of a Particle-Free Silver-Organo-Complex Ink with High Conductivity and Inkjet Stability for Flexible Electronics 2016, 8 (1):177 ACS Applied Materials & Interfaces
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    DOI
    10.1021/acsami.5b08125
    PubMed ID
    26713357
    Additional Links
    http://pubs.acs.org/doi/abs/10.1021/acsami.5b08125
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsami.5b08125
    Scopus Count
    Collections
    Articles; Integrated Microwave Packaging Antennas and Circuits Technology (IMPACT) Lab; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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