Synthesis and characterizations of linear- and angular-shaped naphthodithiophenes for organic semiconductors

K. Takimiya; I. Osaka; S. Shinamura; E. Miyazaki

doi:10.1117/12.893169

7 September 2011 Synthesis and characterizations of linear- and angular-shaped naphthodithiophenes for organic semiconductors

K. Takimiya, I. Osaka, S. Shinamura, E. Miyazaki

Author Affiliations +

Proceedings Volume 8117, Organic Field-Effect Transistors X; 811702 (2011) https://doi.org/10.1117/12.893169
Event: SPIE Photonic Devices + Applications, 2011, San Diego, California, United States

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.

Citation Download Citation

K. Takimiya, I. Osaka, S. Shinamura, and E. Miyazaki "Synthesis and characterizations of linear- and angular-shaped naphthodithiophenes for organic semiconductors", Proc. SPIE 8117, Organic Field-Effect Transistors X, 811702 (7 September 2011); https://doi.org/10.1117/12.893169

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