Use of poly(3-hexylthiophene)/poly(methyl methacrylate) (P3HT/PMMA) blends to improve the performance of water-gated organic field-effect transistors - Université Paris Cité Accéder directement au contenu
Article Dans Une Revue Organic Electronics Année : 2011

Use of poly(3-hexylthiophene)/poly(methyl methacrylate) (P3HT/PMMA) blends to improve the performance of water-gated organic field-effect transistors

Résumé

Poly(3-hexylthiophene)/poly(methyl methacrylate) (P3HT/PMMA) blends were used as the semiconducting layer in water-gated organic field-effect transistors (OFETs), which resulted in improving the electrical performance of the previously reported devices with pure P3HT. Topographic investigations by atomic force microscopy carried out on blends with various PMMA to P3HT ratio reveal a lateral phase separation of the two components. All transistors operate at very low voltage (below 1 V), with a threshold voltage ranging form 0.3 to 0.5 V. An optimum of the composition of the blend is found with 70% of PMMA, leading to a maximum on/off current ratio and a mobility comparable to that of pure P3HT.
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Dates et versions

hal-00767143 , version 1 (20-12-2012)

Identifiants

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Loig Kergoat, Nicolas Battaglini, Luciano Miozzo, Benoit Piro, Minh-Chau Pham, et al.. Use of poly(3-hexylthiophene)/poly(methyl methacrylate) (P3HT/PMMA) blends to improve the performance of water-gated organic field-effect transistors. Organic Electronics, 2011, 12 (7), pp.1253-57. ⟨10.1016/j.orgel.2011.04.006⟩. ⟨hal-00767143⟩
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