High carrier mobility up to 1.4 cm2·V-1·s-1in non-peripheral octahexyl phthalocyanine

Miyake, Yasuo, Shiraiwa, Youyu, Okada, Keizo, Monobe, Hirosato, Hori, Tetsuro, Yamasaki, Naoyuki, Yoshida, Hiroyuki, Cook, Mike, Fujii, Akihiko, Ozaki, Masanori and Shimizu, Yo (2011) High carrier mobility up to 1.4 cm2·V-1·s-1in non-peripheral octahexyl phthalocyanine. Applied Physics Express, 4 (2). ISSN 1882-0778

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Carrier transport properties of a non-peripherally alkyl-substituted phthalocyanine, 1,4,8,11,15,18,22,25-octahexylphthalocyanine (C6PcH2) 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 (Colhd) 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 cm2·V-1·s-1 was achieved at -15 °C. A maximum mobility of 0.5 cm2·V-1·s-1 was obtained for the electrons that had a smaller dependence.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Rachel Smith
Date Deposited: 22 Mar 2011 13:49
Last Modified: 17 Jan 2024 01:20
URI: https://ueaeprints.uea.ac.uk/id/eprint/26862
DOI: 10.1143/APEX.4.021604

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