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Article Dans Une Revue Synthetic Metals Année : 2015

Thermal behaviour and thin film properties of a bis-pyrene compound for organic thin film transistor applications

Résumé

Following the standard Sonogashira cross-coupling conditions, the reaction between 1,4-diiodo-2,5-bis(octyloxy)benzene with 2.2 equiv. of 1-ethynylpyrene afforded a yellowish bis-pyrene derivative, namely 1,4-bis(octyloxy)-2,5-bis(ethynylpyrene)benzene, that exhibits typical fluorescence and semiconducting properties. Thermal analysis studies are discussed, with emphasis made on the oxidative decomposition and thermal effects. Further on, thin films have been grown by vacuum thermal evaporation, on silicon and quartz substrates. The temperature's influence on the thin film's morphology and electrical properties is investigated. Finally, top-contact thin film transistor configurations are presented and the influence of substrate temperature is discussed with respect to the semiconducting properties. (c) 2015 Elsevier B.V. All rights reserved.
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Dates et versions

hal-01418520 , version 1 (16-12-2016)

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Catalin Constantinescu, Abdou Karim Diallo, Anthony d'Aléo, Fréderic Fages, Petre Rotaru, et al.. Thermal behaviour and thin film properties of a bis-pyrene compound for organic thin film transistor applications. Synthetic Metals, 2015, 209, pp.29-33. ⟨10.1016/j.synthmet.2015.06.019⟩. ⟨hal-01418520⟩
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