A novel wide-gap conjugated polymer PhF2,5 (E = 1.9 eV) is designed to contain alternating cyclopentadithiophene and difluorophenylene unit with the goal of favoring unipolar organic field effect transistor characteristics. The higher lowest unoccupied molecular orbital energy of PhF2,5 increases the barrier to electron injection, leading to unipolar transport and higher on/off ratios, without sacrificing desirable high hole mobilities.
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| http://dx.doi.org/10.1002/adma.201603830 | DOI Listing |
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