A series of polymer semiconductors with high mobility has been developed in recent years. These polymers demonstrate p-type, n-type and ambipolar semiconducting behaviour. Among them, the most of high-performance semiconducting polymers are made of donor-acceptor structure. In this presentation,[1-5] I will introduce our exploration in these copolymers, including design concept, synthesis of p-type, n-type and ambipolar copolymers, fabrication of OFET devices, and investigation of their electronic properties.
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