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- W2021307714 abstract "Current?voltage (J?V) characteristics of poly(2-methoxy-5- (2-ethyhexyloxy)-1, 4-phenylenevinylene)(MEH-PPV) have been studied in the hole-only devices ITO/PEDOT?:?PSS/MEH-PPV/Au, as a function of temperature from 300 to 98?K. Hole conduction in MEH-PPV has been well explained by an exponential trap-controlled drift model. In a considerable range of applied voltages, current obeys the power law J ? Vl+1, where l = Tc/T and Tc is the characteristic temperature of the exponential trap distribution. Assuming the effective density of states N? = 2.7 ? 1018?cm?3, the holes trap density (Hb) and characteristic temperature (Tc) have been calculated to be 1 ? 1018?cm?3 and 550?K, respectively. As the voltage further increases current deviates and becomes smaller than J ? Vl+1. At low temperatures and sufficiently high-applied voltages, current follows the V2 law. At higher temperatures slopes less than 2 of the log J?log V plots have been observed. The possible reasons for this behaviour are mentioned." @default.
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- W2021307714 date "2007-01-05" @default.
- W2021307714 modified "2023-09-22" @default.
- W2021307714 title "Charge transport through conducting organic poly(2-methoxy-5- (2-ethylhexyloxy)-1, 4-phenylenevinylene)" @default.
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- W2021307714 doi "https://doi.org/10.1088/0022-3727/40/2/034" @default.
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