Abstract
The unipolar electron transport conjugated polymers play an important role in organic semiconductors. In this work, a unipolar electron transport polymer semiconductor was designed and synthesized based on fluorination on the donor unit and replacement of nitrogen on the acceptor unit. The optical properties, electrochemistry properties, and film morphology were systematically characterized and investigated. Heteroatom with large electronegativity could effectively lower the molecular orbital energy levels of conjugated polymer. Organic field-effect transistors (OFETs) devices were fabricated to investigate the charge transport properties. Unipolar electron transport characteristics were obtained with the highest field-effect mobility of over 0.03 cm2V[Formula: see text]s[Formula: see text].
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