A Novel Alkylated Indacenodithieno[3,2-b]thiophene-based Polymer for Highperformance
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A novel rigid donor monomer, indacenodithieno[3,2-b]thiophene (IDTT), containing linear<br>alkyl chains is reported. Co-polymers of IDTT with the acceptor benzothiadiazole (BT) is<br>shown to be excellent p-type semiconductors in organic field effect transistors (OFET).<br>Devices based upon conventional top gate architectures with pentafluorobenzenethiol<br>modified Au electrodes exhibited a hole mobility up to 6.6 cm2V-1s-1 after thermal annealing.<br>We also demonstrate for the first time that treatment of the electrodes with solution deposited<br>copper(I) thiocyanate (CuSCN) interfacial layer has a beneficial hole injection/electron<br>blocking effect, further enhancing mobility to 8.7 cm2V-1s-1.
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figshare创建时间：
2015-10-02
