Birhodanines and their sulfur analogues for air-stable n-channel organic transistors

Kodai Iijima (1) , Yann Le Gal (2) , Toshiki Higashino (1) , Dominique Lorcy (2) , Takehiko Mori (1)

1 TITECH - Tokyo Institute of Technology [Tokyo]
2 ISCR - Institut des Sciences Chimiques de Rennes

A series of thin-film n-channel organic field-effect transistors based on various birhodanines, 3,3'-dialkyl-5,5'-bithiazolidinylidene-2,2'-dione-4,4'-dithiones (OS-R) and their sulfur analogues, 3,3'-dialkyl-5,5'-bithiazolidinylidene-2,4,2',4'-tetrathiones (SS-R) are studied. The SS-R compounds have tilted stacking crystal structures, whereas the OS-R compounds show basically herringbone structures. The alkyl chain R length and the intermolecular S-S interactions influence the molecular packing to realize excellent long-term air stability in the thin-film transistors.

Domains: Chemical Sciences

Kodai Iijima, Yann Le Gal, Toshiki Higashino, Dominique Lorcy, Takehiko Mori. Birhodanines and their sulfur analogues for air-stable n-channel organic transistors. Journal of Materials Chemistry C, 2017, 5 (35), pp.9121-9127. ⟨10.1039/c7tc02886e⟩. ⟨hal-01614762⟩