Bis[1]benzothieno[2,3-d:2′,3′-d′]anthra[1,2-b:5,6-b′]dithiophene: synthesis, characterization, and application to organic field-effect transistors†,10.1039/C6RA27455B

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Bis[1]benzothieno[2,3-d:2′,3′-d′]anthra[1,2-b:5,6-b′]dithiophene: synthesis, characterization, and application to organic field-effect transistors†

Keita Hyodo,Hideki Hagiwara,Ryota Toyama,Hiroki Mori,Shin-ichi Soga,Yasushi Nishihara

RSC Advances Pub Date : 01/18/2017 00:00:00 , DOI:10.1039/C6RA27455B

Abstract

We report the straightforward synthetic method and characterization of bis[1]benzothieno[2,3-d:2′,3′-d′]anthra[1,2-b:5,6-b′]dithiophene (BBTADT) having nine aromatic rings fused without solubilizing groups. The highest mobility of fabricated OFETs utilizing BBTADT exhibited 2.7 × 10⁻² cm² V⁻¹ s⁻¹ in polycrystalline films formed by vapor deposition, depending on the annealing temperatures of a substrate.