Electron mobility in poly(3-hexylthiophene) enhanced by gamma-ray irradiation |
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Institution: | Department of Physics, Korea University, Seoul 136-713, Korea |
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Abstract: | Gamma-ray irradiation effects on the photoresponsive thin-film devices based on the regioregular poly(3-hexylthiophene) (RR-P3HT) conjugated polymer have been studied by means of atomic force microscopy, UV–vis absorption, photoluminescence (PL), and time-of-flight measurements. As a result, increased light absorption in the red region and PL quenching induced by the irradiation were observed. Besides, enhancement of the electron/hole mobilities, attributable to improved ordering or increased nanodomain size of the P3HT thin films, was revealed. |
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Keywords: | Regioregular P3HT conjugated polymer Gamma-ray irradiation effects Electron and hole mobility |
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