Linked arylamine polymers and electronic devices generated therefrom
View Patent ↗An electronic device like a thin film transistor containing an arylamine polymer of the formula wherein Ar is aryl or heteroaryl; X represents CH 2 , sulfur, oxygen, selenium, NR′, or SiR″ 2 wherein R′ and R″ are each a suitable hydrocarbon; m represents the number of X substituents; and n represents the number of repeating units.
1. An electronic device comprising a semiconductive material containing a linked arylamine dimer, trimer, tetramer, pentamer, hexamer, heptamer, or homopolymer of Formula (I):
wherein Ar is 4-decyloxyphenyl; X represents sulfur; m is 1; and n represents the number of the repeating units, wherein n is 2 or greater.
2. A device in accordance with claim 1 wherein n is from 2 to about 5,000.
3. A device in accordance with claim 1 wherein n is from about 10 to about 200.
4. A device in accordance with claim 1 wherein n is from about 20 to about 100.
5. A thin film transistor comprised of a substrate, a gate electrode, a gate dielectric layer, a source electrode, and a drain electrode, and in contact with the source/drain electrodes and the gate dielectric layer a semiconductor layer comprised of a linked arylamine dimer, trimer, tetramer, pentamer, hexamer, heptamer, or homopolymer of the following formula:
wherein n represents the number of repeating units, n being 2 or greater.
6. A thin film transistor in accordance with claim 5 wherein said substrate is a plastic sheet of polyester, a polycarbonate, or a polyimide, said gate source and drain electrodes are each independently comprised of silver, gold, nickel, aluminum, chromium, platinum, or indium titanium oxide, or a conductive polymer, and said gate dielectric layer is comprised of inorganic nitrides or oxides, or organic polymers, silicon nitride, silicon oxide; and wherein said linked arylamine dimer, trimer, tetramer, pentamer, hexamer, heptamer, or homopolymer is deposited by solution processes of spin coating, stamp printing, screen printing, or jet printing.