Efficient and stable ambipolar charge transport in the bulk of crystalline/crystalline P3HT/HDPE systems, as evidenced by time-of-flight (TOF) photoconductivity measurements, is found. Interestingly, certain blend compositions displayed significantly enhanced bulk charge-transport properties compared to neat P3HT, with μTOF measured for 80:20 wt% P3HT:PE blends being up to one order of magnitude higher than those found in neat P3HT.
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Kumar et al. (2009) studied this question.
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