Microwave Flash Sintering of Inkjet‐Printed Silver Tracks on Polymer Substrates

Jolke Perelaer; Mark Klokkenburg; Chris E. Hendriks; Ulrich Sigmar Schubert

doi:10.1002/adma.200901081

Abstract

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Microwave flash sintering of inkjet printed colloidal silver dispersions on thin polymer substrates was studied as a function of the antenna area and initial resistance. The presence of conductive antennae promotes nanoparticle sintering in pre-dried ink lines (see figure). For dried nanoparticle inks connected to antennae, sintering times of 1 s are sufficient to obtain pronounced nanoparticle sintering and conductivities between 10 and 34% compared to bulk silver.

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