Transparent flexible thin-film transistors (tf-TFTs) are an important focus of research since present silicon-based electronics cannot realize such devices. Here, we demonstrate a single-walled carbon nanotube (SWNT) tf-TFTs based on the solution process using transparent electrodes. SWNT tf-TFTs typically exhibit a mobility of 0.5 cm2 V s and an on/off current ratio of ∼ 104. More importantly, these transistors are highly flexible and can be bent to a radius of 7.5 mm without a significant loss in performance. This study therefore represents a major step towards "SWNT transparent plastic electronics."
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