[19a-P4-1~31] 12.4 Organic light-emitting devices and organic transistors

[19a-P4-14] Organic thin film transistors using benzodithiophene-dimer derivatives

〇Mayuko Yamashita¹, Kohei Fukumura¹, Fumiko Goto¹, Hideji Osuga¹, Kazuyuki Uno¹, Ichiro Tanaka¹ (1.Wakayama Univ.)

Keywords:organic thin film transistors,benzodithiophene-dimer derivatives,quantum chemical calculation

Benzodithiophene-dimer (BDT-dimer) derivatives are excellent in stability in the atmosphere, it would be expected to exhibit high carrier mobility.However, BDT-dimer is poor film-forming properties, did not lead to fabrication of a TFT that shows a high carrier mobility.Therefore, by giving an alkyl chain at each end of the BDT-dimer, it was found that the film-forming property is improved.The reason is that the amount is due to the anisotropy of the interaction between molecules increases as indicated by a quantum chemical calculation.