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Blade coating on nanogrooved substrates yielding aligned thin films of high mobility semiconducting polymers
Blade coating on nanogrooved substrates yielding aligned thin films of high mobility semiconducting polymers
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机译:在纳米沟槽基材上进行刮刀涂层,可得到高迁移率半导体聚合物的取向薄膜
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摘要
A method for enhancing charge carrier mobility of a field-effect transistor device. The method comprises generating uniaxial nanogrooves on a substrate and blade coating a solution comprising a semiconducting polymer onto the substrate. The polymer solution is spread onto the substrate in a direction parallel to the nanogrooves and a main-chain axis of the polymer is parallel to the nanogrooves. The semiconducting polymer can be then annealed, so that a polymer film is formed which is layered on top of the substrate, with polymer chains aligned parallel to a direction of charge carrier movement.
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