KR101006893B1 - 유연성 유기박막 트랜지스터 및 그 제조방법 - Google Patents
유연성 유기박막 트랜지스터 및 그 제조방법 Download PDFInfo
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- KR101006893B1 KR101006893B1 KR1020080039122A KR20080039122A KR101006893B1 KR 101006893 B1 KR101006893 B1 KR 101006893B1 KR 1020080039122 A KR1020080039122 A KR 1020080039122A KR 20080039122 A KR20080039122 A KR 20080039122A KR 101006893 B1 KR101006893 B1 KR 101006893B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
- H10K71/611—Forming conductive regions or layers, e.g. electrodes using printing deposition, e.g. ink jet printing
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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
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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]
- H10K10/481—Insulated gate field-effect transistors [IGFETs] characterised by the gate conductors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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Abstract
Description
Claims (13)
- a) 그라비아 프린팅을 이용하여 절연 기판 상에 게이트 전극을 형성하는 단계;b) 금속산화물, 강유전체 또는 이들의 혼합물인 무기물 나노입자의 존재 하에 고분자 모노머를 중합시켜 제조된 무기물-고분자 복합체를 함유하는 유전성 잉크를 이용하고 그라비아 프린팅을 이용하여 상기 게이트 전극을 감싸는 절연층을 형성하는 단계;c) 상기 절연층 상부에 서로 이격된 소스 및 드레인 전극을 형성하는 단계; 및d) 상기 소스와 드레인 전극 사이에 존재하는 절연막 상부에 유기 활성층을 형성하는 단계;를 포함하여 제조되며,상기 a) 단계의 게이트 전극과 상기 b) 단계의 절연층의 적층구조는 그라비아 프린터를 이용한 연속 공정에 의해 제조되는 특징을 갖는 다운 게이트 구조의 유기 박막 트랜지스터의 제조방법.
- 제 1항에 있어서,상기 그라비아 프린팅은 롤투롤 프린팅인 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 제 1항에 있어서,c) 단계; d) 단계; 또는 c)와 d) 단계;는 잉크젯 프린팅을 이용하여 수행되는 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 제 1항에 있어서,a) 단계의 상기 게이트 전극의 두께는 100nm 내지 1000nm 인 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 제 1항에 있어서,b) 단계의 상기 절연층의 두께는 500nm 내지 2000nm 인 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 제 4항에 있어서,a) 단계의 상기 게이트 전극은 은 이온 수용액, 고분자 바인더 및 환원제를 혼합하여 반응시켜 제조된 은 나노젤을 함유하는 전도성 은잉크가 프린팅되어 제조된 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 삭제
- 제 5항에 있어서,b) 단계의 상기 절연층은 BaTiO3 나노입자; 3-트리메톡시실릴프로필메타크릴레이트(3-trimethoxysilylpropylmethacrylate); 및 에탄올;을 함유하는 혼합물로부터 제조되는 표면 개질 BaTiO3와 고분자의 복합체를 함유하는 유전성 잉크가 프린팅되어 제조된 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 제 1항에 있어서,상기 복합체는 TiO2, SiO2, Al2O3, Nb2O5, BaTiO3, Si3N4, Ta2O5, SrTiO3, (Ba,Sr)TiO3, 또는 이들이 혼합된 무기물;과 폴리이미드, 폴리메틸메타아크릴레이트, 에폭시, 폴리에스테르, 폴리바이닐페놀, 아크릴레이트 계열, 에폭시 계열, 페놀 계열에서 선택된 고분자;가 결합된 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 제 1항에 있어서,c) 단계의 상기 소스 및 드레인 전극은 금, 구리, 백금, 은, 전도성 고분자, 카본나노튜브 및 카본 블랙 군에서 하나 이상 선택된 물질을 함유하는 전도성 잉크가 프린팅되어 제조된 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 제 1항에 있어서,d) 단계의 상기 활성층은 단일벽 탄소나노튜브와 계면활성제를 함유하는 수분산액을 제조하고, 상기 수분산액에 고분자 유전체의 모노머 또는 무기산화물 전구체를 첨가하여 교반한 후, 중합시켜 제조된 고분자 유전체가 코팅된 단일벽 탄소나노튜브를 함유하는 카본나노튜브 잉크가 프린팅되어 제조된 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 제 1항에 있어서,a) 단계의 상기 절연 기판은 아크릴, 폴리카보네이트, 폴리바이닐클로라이드, 폴리프로필렌, 폴리에틸렌, 폴리이미드, 폴리에스테르 또는 폴리에틸렌테레프탈레이트인 것을 특징으로 하는 유기 박막 트랜지스터의 제조방법.
- 삭제
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