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Proceedings Paper

Synthesis and characterizations of linear- and angular-shaped naphthodithiophenes for organic semiconductors
Author(s): K. Takimiya; I. Osaka; S. Shinamura; E. Miyazaki
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Paper Abstract

Syntheses, characterizations, and applications to organic field-effect transistors (OFETs) of four isomeric naphthodithiophenes (NDTs) are reported. The NDT cores are utilized to both small-molecular organic semiconductors for vapor-processed OFETs and polymer semiconductors for solution processed OFETs. For the vapor-processed OFETs, the linear-shaped NDT gives the best material showing mobility of up to 1.5 cm2 V-1 s-1, whereas for the polymer-based solution-processed OFETs, the angular-shaped NDT gives better results with mobility as high as 0.77 cm2 V-1 s-1. To understand the different trends in the mobility of the two systems, the packing structure and intermolecular orbital interaction are studied.

Paper Details

Date Published: 7 September 2011
PDF: 10 pages
Proc. SPIE 8117, Organic Field-Effect Transistors X, 811702 (7 September 2011); doi: 10.1117/12.893169
Show Author Affiliations
K. Takimiya, Hiroshima Univ. (Japan)
I. Osaka, Hiroshima Univ. (Japan)
S. Shinamura, Hiroshima Univ. (Japan)
E. Miyazaki, Hiroshima Univ. (Japan)


Published in SPIE Proceedings Vol. 8117:
Organic Field-Effect Transistors X
Zhenan Bao; Iain McCulloch, Editor(s)

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