期刊
JAPANESE JOURNAL OF APPLIED PHYSICS
卷 51, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1143/JJAP.51.06FD18
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) [22016002, 22684015]
- New Energy and Industrial Technology Development Organization (NEDO) of Japan
- Waseda University [2011A-501]
- JSTALCA
- Funding Program for the Next Generation World-Leading Researchers
- Grants-in-Aid for Scientific Research [22016002, 22684015] Funding Source: KAKEN
The fabrication of logic circuits using the inkjet technique has attracted especially strong interest owing to wide range applications such as flexible and printed electronics. Although logic circuits fabricated using the inkjet method have already been accomplished, the precise control of gate threshold voltages has not been realized yet. In this study, we have demonstrated electron doping of single-walled carbon nanotube (SWCNT) films by inkjet printing of dilute poly(ethylene imine) (PEI) ink. We have successfully obtained the continuous threshold voltage shift by varying the number of doping steps, indicating that the carrier concentration in PEI ink is much lower than that of our previous work. (C) 2012 The Japan Society of Applied Physics
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