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Experimental investigations of laser-induced forward transfer process of organic thin films

Abstract : This paper deals with transfer induced by laser of thin layers of a conducting polymer, the poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate), for applications in plastic electronics. This relatively simple technique of direct writing offers the ability to make surface micro-patterning by localized deposits of material. The study of the various mechanisms (ablation, transfer and deposit) has been carried out according to different conditions of irradiation: wavelength (from ultraviolet to infrared radiation), pulse duration (nanosecond and sub-nanosecond) and fluence. The morphology of the transferred patterns has been analyzed by optical microscopy and scanning electronic microscopy. Our objective is to understand the different mechanisms involved in the process in order to optimize it in terms of geometrical resolution while preserving the properties of the transferred material. © 2007 Elsevier B.V. All rights reserved.
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https://hal-emse.ccsd.cnrs.fr/emse-00469866
Contributor : Sébastien Sanaur <>
Submitted on : Friday, April 2, 2010 - 5:30:22 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:32 PM

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B. Thomas, A.P. Alloncle, P. Delaporte, M. Sentis, Sébastien Sanaur, et al.. Experimental investigations of laser-induced forward transfer process of organic thin films. Applied Surface Science, Elsevier, 2007, 254 (4), pp.1206-1210. ⟨10.1016/j.apsusc.2007.09.042⟩. ⟨emse-00469866⟩

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