期刊
MATERIALS ADVANCES
卷 3, 期 7, 页码 3128-3134出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ma01081f
关键词
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资金
- JSPS KAKENHI [JP 21K05220, 18K14300]
- Murata Science Foundation
- Iketani Science and Technology Foundation
- Ministry of Science and Technology, Taiwan [MOST108-2923-E-005-001-MY2]
- Grants-in-Aid for Scientific Research [18K14300] Funding Source: KAKEN
In this study, solution-processed organic field-effect transistor (OFET) memory devices were fabricated using a special blend film preparation method. The resulting devices showed good charge carrier mobility and on/off current ratio, as well as substantial reversible threshold shift and long charge retention ability.
Solution-processed organic field-effect transistor (OFET) memory devices are fabricated using a blend film of 6,13-bis(triisopropylsilylethynyl)pentacene and phthalocyanine-cored star-shaped polystyrene. A highly crystalline organic semiconductor thin film was obtained on the star-shaped polymer with charge-trapping sites via a one-pot spin-coating process through vertical phase separation, which is advantageous for OFET memory device applications. The resultant OFET device demonstrated a charge carrier mobility of 0.10 cm(2) V-1 s(-1) and an on/off current ratio of 10(6). Upon application of a gate bias, a substantial reversible threshold shift was observed, along with long charge-retention ability, thereby confirming the memory characteristics of the device.
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