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Method for producing an organic semiconductor film, organic semiconductor film and electronic device containing same

Authors: Mas Torrent, Marta; Rovira, Concepció; Veciana, Jaume; Pfattner, Raphael; Pozo, Freddy G. del;

Method for producing an organic semiconductor film, organic semiconductor film and electronic device containing same

Abstract

[ES] Comprende preparar una disolución de una mezcla que comprende a) una molécula o polímero semiconductor orgánico y b) un polímero ligante a una viscosidad determinada; en un sustrato, depositar la disolución, donde el sustrato, y opcionalmente la disolución, se ha precalentado previa la deposición de la disolución sobre el sustrato; formar un menisco con el soporte de una barra; desplazar el menisco a lo largo del sustrato a una velocidad determinada para obtener una película semiconductora orgánica sólida e isotrópica, donde el disolvente se evapora simultáneamente al avance del menisco. La película obtenida es útil para preparar un dispositivo electrónico, en especial un transistor de efecto de campo (OFET). La nueva técnica permite una buena procesabilidad de mezclas complejas que permite obtener películas semiconductoras orgánicas isotrópicas con excelentes propiedades de estabilidad a escala industrial.

[EN] The present invention relates to a method comprising: preparing a solution of a mixture having a determined viscosity and comprising a) an organic semiconductor polymer or molecule and b) a polymer binder; depositing the solution on a substrate, wherein the substrate, and optionally the solution, has been preheated before depositing the solution on the substrate; forming a meniscus using a bar; moving the meniscus along the substrate at a determined speed in order to obtain a solid, isotropic organic semiconductor film, wherein the solvent evaporates as the meniscus moves forward. The film obtained can be used to produce an electronic device, particularly a field effect transistor (OFET). The new technique provides good processability of complex mixtures, allowing industrial-scale production of isotropic organic semiconductor films with excellent stability properties.

A1 Solicitud de patente con informe sobre el estado de la técnica

Consejo Superior de Investigaciones Científicas (España)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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