Tetracenothiophene derivatives with alkoxy-c-alkyne solubilising units and their applications as organic semiconductors
AssigneesCambridge Display Technology Limited, Sumitomo Chemical Company, Limited
InventorsNazrul Islam, Eiji Yoshikawa
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Abstract
Tetracenothiophene derivatives are disclosed, which comprise alkoxy-C-alkyne solubilizing groups at transversal positions of the tetracenothiophene unit. These compounds enable preferential molecular stacking and a high field effect mobility and at the same time show improved solubility as compared to known benzothiophene- and pentacene-based materials. In addition, organic thin films comprising these derivatives, their use in electronic devices and components, such as organic thin film transistors, and methods of manufacturing the same are disclosed.
Claims15
A tetracenothioacene derivative represented by the following General Formula (I):
- wherein R1 to R6 independently represent a C1-12 alkyl group;
- wherein R8 to R11 independently represent any one of a hydrogen atom, a halogen atom, or a C1-6 alkyl group;
- and
- wherein R7 represents any one of a hydrogen atom, a halogen atom, a C1-12 alkyl group or a substituent according to the following General Formula (II):
- with X being a single bond, —S— or —SO2—;
- and Z being a C1-12 alkyl group.
Dependencies are inferred from the claim text.