Journal
APPLIED PHYSICS EXPRESS
Volume 7, Issue 12, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.7.121602
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan [23350061]
- Grants-in-Aid for Scientific Research [23350061] Funding Source: KAKEN
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Ambipolar organic transistors based on dicyanomethylene terthiophene show electron and hole mobilities of up to 0.6 and 0.3 cm(2) V-1 s(-1), respectively, on tetratetracontane, which are thousands of times larger than the reported value. The intrinsic electron and hole threshold voltages are determined by analyzing the output and transfer characteristics, from which the ambipolar characteristics are quantitatively reproduced. Since the transistor is operated mostly in the unipolar region, the trap density of states is estimated from the temperature dependence of the transfer characteristics. (C) 2014 The Japan Society of Applied Physics
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