Conductive screen printing inks by gelation of graphene dispersions

K.A. Arapov, E. Rubingh, R.J. Abbel, J. Laven, G. de With, H.B. Friedrich

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

67 Citaten (Scopus)
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This paper describes the gelation of highly concentrated graphene/polymer dispersions triggered by mild heating. The gel formation is only dependent on the concentration of graphene with 3.25 mg mL−1 as the minimum value for graphene network formation. The graphene gel is then utilized for the preparation of colloidally stable and highly concentrated (52 mg mL−1) graphene pastes that demonstrate excellent performance in screen printing down to lines of 40 μm in width. Printed patterns dried at 100 °C for only 5 min exhibit sheet resistances of 30 Ω −1 at 25 μm thickness, thus, removing the need for long-time high temperature annealing, doping, or other treatments. Such a low drying temperature, high printing definition, and compatibility with industrially relevant plastic and paper substrates brings high-volume roll-to-roll application in printed flexible electronics within reach.
Originele taal-2Engels
Pagina's (van-tot)586-593
TijdschriftAdvanced Functional Materials
Nummer van het tijdschrift4
StatusGepubliceerd - 26 jan 2016

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  • Uitrusting

    Center for Multiscale Electron Microscopy (CMEM)

    Heiner Friedrich (Manager), Rick Joosten (Gebruiker), Demi de Moor (Gebruiker), Pauline Schmit (Gebruiker), Ingeborg Schreur - Piet (Gebruiker), Anne Spoelstra (Gebruiker) & Nina Romme - van Moll (Inhoud)

    Materials and Interface Chemistry

    Uitrusting/faciliteit: Onderzoekslaboratorium

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