Electronic devices containing acene-thiophene copolymers with silylethynyl groups
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-029/08
H01L-029/02
출원번호
US-0379662
(2006-04-21)
등록번호
US-7495251
(2009-02-24)
발명자
/ 주소
Zhu,Peiwang
Vogel,Dennis E.
Lee,Tzu Chen
Gerlach,Christopher P.
출원인 / 주소
3M Innovative Properties Company
대리인 / 주소
Lown,Jean A.
인용정보
피인용 횟수 :
9인용 특허 :
35
초록▼
Electronic devices that include an acene-thiophene copolymer and methods of making such electronic devices are described. More specifically, the acene-thiophene copolymer has attached silylethynyl groups. The copolymer can be used, for example, in a semiconductor layer or in a layer positioned betwe
Electronic devices that include an acene-thiophene copolymer and methods of making such electronic devices are described. More specifically, the acene-thiophene copolymer has attached silylethynyl groups. The copolymer can be used, for example, in a semiconductor layer or in a layer positioned between a first electrode and a second electrode.
대표청구항▼
We claim: 1. An electronic device comprising an acene-thiophene copolymer of Formula I wherein Ac is a radical of an acene having 2 to 5 fused benzene rings, wherein Ac can be optionally substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hyd
We claim: 1. An electronic device comprising an acene-thiophene copolymer of Formula I wherein Ac is a radical of an acene having 2 to 5 fused benzene rings, wherein Ac can be optionally substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof; Ra is each independently selected from hydrogen, alkyl, alkoxy, alkenyl, aryl, heteroaryl, aralkyl, heteroaralkyl, heteroalkyl, or hydroxyalkyl; Q is a divalent group of Formula II, III, IV, or V; R1 and R2 are each independently selected from hydrogen, alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, or alkenyl; and n is an integer greater than or equal to 4. 2. The electronic device of claim 1, wherein Ac is selected from naphthalene, anthracene, tetracene, or pentacene. 3. The electronic device of claim 1, wherein a divalent group of formula--Ac(E)2-where each E equal to a silylethynyl group of formula--C≡C--Si(Ra)3 is selected from 1,4-bis(silylethynyl)naphthalene-2,6-diyl, 1,4-bis(silylethynyl)naphthalene-2,7-diyl, 9,10-bis(silylethynyl)anthracene-2,6-diyl, 9,10-bis(silylethynyl)anthracene-2,7-diyl, 2,6-bis(silylethynyl)anthracene-9,10-diyl, 2,7-bis(silylethynyl)anthracene-9,10-diyl, 6,13-bis(silylethynyl)pentacene-2,9-diyl, 6,13-bis(silylethynyl)pentacene-2,10-diyl, 2,9-bis(silylethynyl)pentacene-6,13-diyl, or 2,10-bis(silylethynyl)pentacene-6,13-diyl. 4. The electronic device of claim 3, wherein the divalent group of formula--Ac(E)2-is selected from 1,4-bis(silylethynyl)naphthalene-2,6-diyl, 9,10-bis(silylethynyl)anthracene-2,6-diyl, or 6,13-bis(silylethynyl)pentacene-2,9-diyl. 5. The electronic device of claim 1, wherein the copolymer of Formula I is present in a semiconductor layer. 6. The electronic device of claim 5, wherein the electronic device comprises an organic thin film transistor. 7. The electronic device of claim 1, wherein the copolymer of Formula I is present in layer between a first electrode and a second electrode. 8. The electronic device of claim 7, wherein the electronic device is a photovoltaic cell. 9. The electronic device of claim 7, wherein electronic device comprises an organic electroluminescent device and the copolymer of Formula I is present in a hole transport layer within the organic electroluminescent device. 10. The electronic device of claim 7, wherein the electronic device comprises an organic electroluminescent device and the copolymer of Formula I is present in a light emitting layer within the organic electroluminescent device. 11. A method of preparing an electronic device, the method comprising providing a copolymeric layer comprising an acene-thiophene copolymer of Formula I wherein Ac is a radical of an acene having 2 to 5 fused benzene rings, wherein Ac can be optionally substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof, Ra is each independently selected from hydrogen, alkyl, alkoxy, alkenyl, aryl, heteroaryl, aralkyl, heteroaralkyl, heteroalkyl, or hydroxyalkyl; Q is a divalent group of Formula II, III, IV, or V; R1 and R2 are each independently selected from hydrogen, alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, or alkenyl; and n is an integer greater than or equal to 4. 12. The method of claim 11, wherein providing the copolymeric layer comprises preparing a coating solution comprising the acene-thiophene copolymer and a solvent, wherein the acene-thiophene copolymer is present in an amount of at least 0.05 weight percent based on the weight of the coating solution; forming a solution layer from the coating solution; and removing at least some of the solvent from the solution layer. 13. The method of claim 11, further comprising providing a first layer adjacent to the copolymeric layer, the first layer comprising a conducting layer or a dielectric layer. 14. The method of claim 11, wherein electronic device is an organic thin film transistor and the method further comprises arranging multiple layers in the following order: a gate electrode; a gate dielectric layer; a semiconductor layer comprising a comprising the copolymeric layer; and a layer comprising a source electrode and a drain electrode, wherein the source electrode and the drain electrode are separated from each other and wherein the semiconductor layer contacts both the drain electrode and the source electrode. 15. The method of claim 11, wherein electronic device is an organic thin film transistor and the method further comprises arranging multiple layers in the following order: a gate electrode; a gate dielectric layer; a layer comprising a source electrode and a drain electrode, wherein the source electrode and the drain electrode are separated from each other; a semiconductor layer in contact with both the source electrode and the drain electrode, the semiconductor layer comprising the copolymeric layer. 16. The method of claim 11, further comprising positioning the copolymeric layer between a first electrode and a second electrode. 17. The method of claim 11, wherein the electronic device comprises a photovoltaic cell and the method further comprises positioning the copolymeric layer between an anode and a cathode. 18. The method of claim 11, wherein electronic device comprises an organic electroluminescent device and the method further comprises positioning the copolymeric layer between an anode and a cathode. 19. The method of claim 18, wherein the organic electroluminescent device comprises a hole transport layer comprising the copolymeric layer. 20. The method of claim 18, wherein the organic electroluminescent device comprises a light emitting layer comprising the copolymeric layer. 21. The electronic device of claim 10, wherein a divalent group of formula--Ac(E)2-where each E equal to a silylethynyl group of formula--C≡C--Si(Ra)3 is selected from 1,4-bis(silylethynyl)naphthalene-2,6-diyl, 1,4-bis(silylethynyl)naphthalene-2,7-diyl, 9,10-bis(silylethynyl)anthracene-2,6-diyl, 9,10-bis(silylethynyl)anthracene-2,7-diyl, 2,6-bis(silylethynyl)anthracene-9,10-diyl, 2,7-bis(silylethynyl)anthracene-9,10-diyl, 6,13-bis(silylethynyl)pentacene-2,9-diyl, 6,13-bis(silylethynyl)pentacene-2,10-diyl, 2,9-bis(silylethynyl)pentacene-6,13-diyl, or 2,10-bis(silylethynyl)pentacene-6,13-diyl.
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