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A record‐breaking high electron mobility of 7.0 cm2V−1s−1 for n‐channel polymer OFETs is reported. By the incorporation of only one nitrile group as an electron‐withdrawing function in the vinyl linkage of the DPP‐based copolymer, a dramatic inversion of majority charge‐carriers from holes to electrons is achieved.
A record‐breaking high electron mobility (up to 7.0 cm2 V−1 s−1) is demonstrated with a diketopyrrolopyrrole (DPP)‐based semiconductor (PDPP‐CNTVT), of which a vinylene unit is simply incorporated with only one nitrile group, as described by Y.‐H. Kim, Y.‐Y. Noh, as described by S.‐K. Kwon, and co‐workers on page 7300. Both the strong electron‐withdrawing property of the nitrile group and its low...
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