Mar 1, 2021
Molecular Orientation and Electrical Properties in tert-Butylated Phthalocyanine Thin Film Fabricated by Uniaxial Solution Coating
Electronics and Communications in Japan
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- Volume
- 104
- Number
- 1
- First page
- 113
- Last page
- 119
- Language
- English
- Publishing type
- Research paper (scientific journal)
- DOI
- 10.1002/ecj.12297
- Publisher
- WILEY
Molecular orientation, molecular packing structure, and electrical properties of thermally stable phthalocyanine, tert-butylated phthalocyanine (t-BuPcH2) in the thin film fabricated by bar-coating method were investigated. The XRD patterns indicated that the columns composed of t-BuPcH2 molecules formed hexagonal structure, the axis of which was parallel to the bar-sweep direction, and t-BuPcH2 molecules were vertically aligned to the bar-sweep direction. Uniaxially oriented thin films of t-BuPcH2 were successfully fabricated on Si substrate covered with polyimide by bar-coating method, and the field effect mobility of t-BuPcH2 was estimated to be 1.32 x 10(-4) cm(2) V-1 s(-1) at maximum. The field effect mobility parallel to the bar-sweep direction was approximately three times higher than that perpendicular to the bar-sweep direction due to high electrical conduction along the column axis of t-BuPcH2.
- Link information
- ID information
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- DOI : 10.1002/ecj.12297
- ISSN : 1942-9533
- eISSN : 1942-9541