期刊
MRS COMMUNICATIONS
卷 1, 期 1, 页码 33-36出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrc.2011.11
关键词
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资金
- JST/CREST
- Special Coordination Funds for Promoting, NEDO
- Global COE Program on Physical Sciences Frontier, MEXT Japan
- Grants-in-Aid for Scientific Research [10J07701, 20676005] Funding Source: KAKEN
Low-voltage-driven organic thin-film transistors (organic TFTs) with spatially controlled threshold voltages (-1.2 and -0.36 V) were fabricated for the first time. Using the microcontact printing method, tetradecylphosphonic acid (HC14-PA) and pentadecylfluoro-octadecylphosphonic acid (FC18-PA) were transferred to form ultrathin layers in different regions on a substrate. Together with plasma-grown aluminum oxide (AlOx) layer, the stamped layers were shown to have equal insulating ability as the dipped method monolayer. The feasibility of the area-selective stamping method was displayed using locally controlled inverter circuits. The shift of turn-on voltage for those transistors was consistent with the threshold voltage shift of the transistors.
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