Organic thin film transistor
View Patent ↗An organic thin film transistor comprising a semiconductor layer containing a thiophene oligomer which has a thiophene ring having a substituent and a partial structure constituted by directly connected two or more thiophene rings each having no substituent, and contains three to forty thiophene rings per molecule.
1. An organic thin film transistor comprising a semiconductor layer containing a thiophene oligomer which has a thiophene ring having a substituent and a partial structure constituted by directly connected two or more thiophene rings each having no substituent, and contains three to forty thiophene rings per molecule, wherein the thiophene oligomer has a partial structure represented by the following Formula 1,
wherein R is a substituent; and each terminal group of the thiophene oligomer is an aromatic hydrocarbon group.
2. The organic thin film transistor of claim 1 , wherein the thiophene oligomer has no Head-to-Head structure.
3. The organic thin film transistor of claim 1 , wherein the number of the thiophene ring in the molecule of the thiophene oligomer is from three to twenty.
4. The organic thin film transistor of claim 3 , wherein the number of the thiophene ring in the molecule of the thiophene oligomer is from four to ten.
5. The organic thin film transistor of claim 1 , wherein the number of the thiophene ring in the molecule of the thiophene oligomer is from three to twenty.
6. The organic thin film transistor of claim 5 , wherein the number of the thiophene ring in the molecule of the thiophene oligomer is from four to ten.
7. The organic thin film transistor of claim 2 , wherein the number of the thiophene ring in the molecule of the thiophene oligomer is from three to twenty.
8. The organic thin film transistor of claim 7 , wherein the number of the thiophene ring in the molecule of the thiophene oligomer is from four to ten.
9. The organic thin film transistor of claim 1 , wherein the thiophene oligomer is selected from the group consisting of: