期刊
APPLIED PHYSICS EXPRESS
卷 4, 期 2, 页码 -出版社
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/APEX.4.021604
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- Japan Society for the Promotion of Science (JSPS)
- Osaka University Frontier Research Center
- Osaka University
- Grants-in-Aid for Scientific Research [21686033] Funding Source: KAKEN
Carrier transport properties of a non-peripherally alkyl-substituted phthalocyanine, 1,4,8,11,15,18,22,25-octahexylphthalocyanine (C6PcH(2)) have been investigated. The material is a low-molecular-weight organic semiconductor with high solubility for typical organic solvents and liquid crystallinity. The carrier mobility was measured in the crystal phase and the hexagonal disordered columnar (Col(hd)) mesophase by the time-of-flight technique. A strong negative temperature dependence was observed for the hole mobility in the crystal phase, and a maximum drift mobility of 1.4 cm(2).V-1.s(-1) was achieved at -15 degrees C. A maximum mobility of 0.5 cm(2).V-1.s(-1) was obtained for the electrons that had a smaller dependence. (C) 2011 The Japan Society of Applied Physics
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