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The charge transport in α-sexithiophene single crystals was studied by space charge limited current spectroscopy. Hole mobilities as high as 80 cm 2 /Vs were observed at low temperatures. The strong anisotropic conduction in this material is explained by the molecular packing allowing a strong π-π * overlap in the molecular planes due to short sulphur-carbon contacts, but almost no...
We have found persistent photoconductivity (PPC) in α-sexithiophene (α-6T) single crystals and its properties and the charge transport in this material are studied in the temperature range from 100 to 340K. PPC is observed even above room temperature and the decrease in time of the conductivity can be described by a stretched exponential which lasts at low temperature (LT) for more than 10 6 ...
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