Polypyrrole-poly(3-methylthiophene) bilayer films electrochemically deposited onto tin oxide |
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| Authors: | R. Valaski S. Ayoub L. Micaroni I. Hümmelgen |
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| Affiliation: | (1) Departamento de Física, Universidade Federal do Paraná, Caixa Postal 19044, 81531-990 Curitiba PR, Brazil,;(2) Departamento de Química, Universidade Federal do Paraná, Caixa Postal 19081, 81531-990 Curitiba PR, Brazil, |
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| Abstract: | We report the electrochemical successive deposition of layers of polypyrrole and poly(3-methylthiophene), forming conjugated polymer heterostructures onto a tin oxide-covered glass substrate. The polymer bilayer thickness and roughness were determined as a function of deposition conditions, varying the sequence of deposition of the conjugated polymer layers. The charge transport characteristics of these bilayer devices were investigated and an effective charge carrier mobility of the order of 10–10 cm2 V–1 s–1 was determined. Electronic Publication |
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| Keywords: | Electrical properties and measurements Organic semiconductors Polymers Tin oxide Electrochemical bilayer deposition |
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