Unusual nondispersive ambipolar carrier transport and high electron mobility in amorphous ter(9,9-diarylfluorene)s |
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| Authors: | Wu Chung-chih Liu Tsung-Li Hung Wen-Yi Lin Yu-Ting Wong Ken-Tsung Chen Ruei-Tang Chen You-Ming Chien Yuh-Yih |
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| Institution: | Department of Electrical Engineering, Graduate Institute of Electrooptical Engineering, National Taiwan University, Taipei 106, Taiwan. chungwu@cc.ee.ntu.edu.tw |
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| Abstract: | Nondispersive ambipolar carrier transport with comparably high electron and hole mobilities for amorphous molecular solids that are composed of only a single type of chromophores was observed for the first time in amorphous ter(9,9-diarylfluorene)s. High hole and electron mobilities over 10-3 cm2/(V.s) can be achieved with these terfluorenes. In particular, the electron mobility observed represents the highest ever reported for amorphous molecular solids. |
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