Investigations on laser printing of microcapacitors using poly (methyl methacrylate) dielectric thin films for organic electronics applications

Abstract : Thin solid pixels made of Ag/PMMA stacks have been fabricated by laser-induced forward transfer (LIFT), to be tested as thin film microcapacitors in organic electronics applications. The square-shaped laser printed pixels have a lateral size of similar to 350 mu m, and the thickness of the dielectric film was varied between 100 and 1500 nm. The pixels were deposited on electrode structures made by LIFT printing of silver nanoparticles ink and paste. Optimal printing conditions led to the fabrication of microcapacitors with typical capacitance in the pF range, tuned by changing the properties of the multilayered structure (e.g. pixel size and/or thickness of the dielectric). Their stability was also investigated over time. We discuss on the morphological and electrical properties of such laser-printed structures, with respect to the impact resistance of the polymer and its suitability for the LIFT process. (C) 2015 Elsevier B.V. All rights reserved.
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Submitted on : Friday, December 16, 2016 - 5:39:07 PM
Last modification on : Thursday, January 18, 2018 - 1:39:51 AM

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Catalin Constantinescu, Ludovic Rapp, Philippe Delaporte, Anne-Patricia Alloncle. Investigations on laser printing of microcapacitors using poly (methyl methacrylate) dielectric thin films for organic electronics applications. Applied Surface Science, Elsevier, 2016, 374, pp.90-95. ⟨10.1016/j.apsusc.2015.10.015⟩. ⟨hal-01418500⟩

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