KR100814600B1 - 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물 및이를 이용한 유기 박막 트랜지스터 - Google Patents
유기 박막 트랜지스터의 게이트 절연막 형성용 조성물 및이를 이용한 유기 박막 트랜지스터 Download PDFInfo
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- KR100814600B1 KR100814600B1 KR1020070043494A KR20070043494A KR100814600B1 KR 100814600 B1 KR100814600 B1 KR 100814600B1 KR 1020070043494 A KR1020070043494 A KR 1020070043494A KR 20070043494 A KR20070043494 A KR 20070043494A KR 100814600 B1 KR100814600 B1 KR 100814600B1
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- South Korea
- Prior art keywords
- organic thin
- thin film
- film transistor
- insulating film
- gate insulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/19—Hydroxy compounds containing aromatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/468—Insulated gate field-effect transistors [IGFETs] characterised by the gate dielectrics
- H10K10/471—Insulated gate field-effect transistors [IGFETs] characterised by the gate dielectrics the gate dielectric comprising only organic materials
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
Mobility (cm2/Vs) | On/off ratio | VT (V) | |
실시예 1 | 0.22 | 40000 | -15.2 |
실시예 2 | 0.25 | 63000 | -11.9 |
실시예 3 | 0.19 | 22000 | -10.5 |
Claims (20)
- 청구항 1에 있어서, 상기 화학식 1의 폴리아릴레이트는 하기 화학식 2의 방향족 디올 화합물과 하기 화학식 3의 방향족 디카르복실산 화합물의 축중합(condensation polymerization)에 의하여 제조되는 것인 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물:[화학식 2]상기 화학식 2에 있어서, Ar1은 치환 또는 비치환된 방향족기이고,[화학식 3]상기 화학식 3에 있어서, X 및 X'는 서로 같거나 상이하고, 독립적으로 OH, F, Cl, Br 및 I로 이루어진 군에서 선택되며, Ar2는 치환 또는 비치환된 방향족기이다.
- 청구항 2에 있어서, 상기 화학식 2의 화합물은 비스(하이드록시아릴)알칸, 비스(하이드록시아릴)시클로알칸, 디하이드록시디아릴에테르, 디하이드록시디아릴설파이드, 디하이드록시디아릴설폭사이드, 디하이드록시디아릴설폰, 디하이드록시디아릴이사틴, 디하이드록시벤젠 및 디하이드록시바이페닐로 이루어진 군으로부터 선택되는 1 종 이상인 것인 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물.
- 청구항 2에 있어서, 상기 화학식 3의 방향족 디카르복실산 화합물은 테레프탈산, 이소프탈산, 디벤조산, 나프탈렌디카르복실산, 비스(4-카르복시페닐)메탄, 1,2-비스(4-카르복시페닐)에탄, 2,2-비스(4-카르복시페닐)프로판, 비스(4-카르복시 페닐)옥사이드, 비스(4-카르복시페닐)설파이드, 비스(4-카르복시페닐)설폰, 및 전술한 화합물들의 방향족기에 C1-C2 알킬 또는 할로겐기가 치환된 화합물로 이루어진 군에서 선택되는 1 종 이상인 것인 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물.
- 청구항 1에 있어서, 용매를 추가로 포함하는 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물.
- 청구항 8에 있어서, 상기 용매는 지방족 탄화수소, 방향족 탄화수소, 할로겐화 지방족 탄화수소, 할로겐화 방향족 탄화수소, 케톤계 용매, 에테르계 용매, 아세테이트계 용매, 알코올게 용매, 아미드계 용매, 실리콘계 용매 및 이들의 혼합물로부터 선택되는 것인 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물.
- 청구항 1에 있어서, 상기 폴리아릴레이트의 분자량은 5,000 이상 1,000,000 이하인 것인 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물.
- 청구항 1에 있어서, 유전 상수가 2 이상 10 이하이고, 절연 파괴 전압이 1 MV/cm 이상이며, 누설 전류가 1×10-7 A/cm2 이하인 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물.
- 청구항 1에 있어서, 상기 유전상수는 2 이상 3 이하인 것인 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물.
- 청구항 1에 있어서, 필름 형성시 1 nm 이하의 표면 거칠기 및 40 도 이상 140 도 이하의 증류수 접촉각을 나타내는 유기 박막 트랜지스터의 게이트 절연막 형성용 조성물.
- 게이트 전극, 게이트 절연막, 유기 반도체 채널, 드레인 전극 및 소스 전극을 포함하는 유기 박막 트랜지스터에 있어서, 상기 게이트 절연막이 상기 유기 반도체 채널과 접하고 청구항 1 내지 청구항 13 중 어느 하나의 항의 게이트 절연막 형성용 조성물에 의하여 형성된 절연막으로 이루어진 것을 특징으로 하는 유기 박막 트랜지스터.
- 청구항 14에 있어서, 상기 게이트 절연막은 스핀 코팅 (spin-coating), 딥코팅 (dip-coating), 프린팅 (printing), 분무 코팅 (spray-coating) 및 롤코팅 (roll-coating) 중에서 선택되는 방법에 의하여 형성된 것인 유기 박막 트랜지스터.
- 청구항 14에 있어서, 상기 유기 반도체 채널은 펜타센 (pentacene), 티오펜 올리고머(thiophene oligomer), 아릴아민(arylamine), 프탈로시아닌 (phthalocyanine), 풀러렌 (fullerene), 폴리티오펜 (polythiophene), 폴리플루오렌 (polyfluorene), 폴리페닐렌비닐렌 (polyphenylenevinylene), 폴리아릴아민 (polyarylamine), 및 이들의 혼합물 중에서 선택되는 것인 유기 박막 트랜지스터.
- 청구항 14에 있어서, 상기 게이트 전극, 드레인 전극 및 소스 전극은 금속, 전도성 금속 산화물 및 전도성 고분자 중에서 선택되는 재료로 이루어진 것인 유기 박막 트랜지스터.
- 청구항 14에 있어서, 게이트 전극 하부에 기판을 추가로 포함하는 유기 박막 트랜지스터.
- 청구항 14의 유기 박막 트랜지스터를 포함하는 전자 소자.
- 청구항 19에 있어서, 상기 전자 소자는 유기발광소자, 태양 전지, ID 태크(Tag), e-워터마크(e-watermark), e-바코드(e-barcode) 및 e-티켓(e-ticket) 중에서 선택되는 것인 전자 소자.
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US9040710B2 (en) | 2013-03-11 | 2015-05-26 | Saudi Basic Industries Corporation | Aryloxy-phthalocyanines of group IV metals |
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