KR101096943B1 - 유기 태양전지용 활성층 조성물, 이를 이용한 유기 태양전지 제조방법 및 그에 따른 유기 태양전지 - Google Patents
유기 태양전지용 활성층 조성물, 이를 이용한 유기 태양전지 제조방법 및 그에 따른 유기 태양전지 Download PDFInfo
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/30—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
본 발명의 유기 태양전지용 활성층 조성물은 전자주게 물질, 전자받게 물질 및 트리페닐아민 유도체가 혼합되어 이루어진다.
본 발명의 유기 태양전지용 활성층은 종래 전자주게 물질과 전자받게 물질의 혼합물로 제조되는 유기 태양전지 활성층 대신에, 전자주게 물질 및 전자받게 물질의 혼합물과 함께 트리페닐아민 유도체를 첨가하여 제조되어, 종래의 유기 태양전지의 활성층의 전자 이동도가 낮다는 문제점을 해결하였다. 이와 같이, 본 발명의 유기 태양전지용 활성층은 전자 이동도를 높일 수 있어, 빛 에너지를 전기 에너지로 변환하는 에너지 효율을 높일 수 있다.
Description
도 3은 본 발명의 제조방법에 따라 트리페닐아민 유도체 첨가량을 달리하여 제조된 유기 태양전지에 빛을 비추었을 때, 전류와 전압의 상관관계를 나타낸 것이다(TPD는 트리페닐아민 유도체를 지칭함).
도 4는 본 발명의 제조방법에 따라 트리페닐아민 유도체 첨가량에 따른 유기 태양전지의 전기 에너지 변환효율과 필팩터의 상관관계를 나타낸 것이다.
Claims (14)
상기 전자주게 물질은 폴리(3-헥실티오펜), 폴리(3-알킬티오펜), 폴리(3-옥틸티오펜), 폴리(2-메톡시-5-(2’-에틸헥실옥시)-p-페닐렌)비닐렌 및 폴리{2-메톡시-5-[(3,7-디메틸옥틸)옥시]페닐렌}비닐렌으로 이루어지는 군으로부터 선택되는 1종 이상이며, 상기 전자받게 물질은 풀러렌 유도체인 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C61, 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C70 및 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C84으로 이루어지는 군으로부터 선택되는 1종 이상인 것을 특징으로 하는 유기 태양전지용 활성층 조성물.
기판상에 형성되는 하부전극층;
상기 하부전극층 상에 형성되는 정공수송층;
상기 정공수송층 상에 형성되는 1종 이상의 활성층; 및
상기 활성층 상에 형성되는 상부전극층;
을 포함하되,
상기 활성층은 1:0.5 ~ 1:1로 혼합비를 이루는 전자주게 물질, 전자받게 물질 및 이러한 전자주게 물질과 전자받게 물질의 혼합물의 전체 중량에 대비하여 N,N’-디페닐-N,N’-비스(3-메틸페닐)-[1,1’-디페닐]-4,4’-디아민을 0.1 ~ 4 중량% 포함하는 혼합물로 형성되며,
태양광 세기 100 ㎽/㎠에 대해서 전기 에너지 변환효율이 3.5% 초과 및 3.7% 이하인 것을 특징으로 하는 유기 태양전지.
상기 전자주게 물질은 폴리(3-헥실티오펜), 폴리(3-알킬티오펜), 폴리(3-옥틸티오펜), 폴리(2-메톡시-5-(2’-에틸헥실옥시)-p-페닐렌)비닐렌 및 폴리{2-메톡시-5-[(3,7-디메틸옥틸)옥시]페닐렌}비닐렌으로 이루어지는 군으로부터 선택되는 1종 이상이며, 상기 전자받게 물질은 풀러렌 유도체인 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C61, 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C70 및 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C84으로 이루어지는 군으로부터 선택되는 1종 이상인 것을 특징으로 하는 유기 태양전지.
상기 활성층의 두께는 100~200 ㎚인 것을 특징으로 하는 유기 태양전지.
상기 활성층은 1:0.5~1:1로 혼합비를 이루는 전자주게 물질, 전자받게 물질 및 이러한 전자주게 물질과 전자받게 물질의 혼합물의 전체 중량에 대비하여 N,N’-디페닐-N,N’-비스(3-메틸페닐)-[1,1’-디페닐]-4,4’-디아민이 0.1 ~ 4 중량%로 혼합된 용액을 이용하여 제조되며,
태양광 세기 100 ㎽/㎠에 대해서 전기 에너지 변환효율이 3.5% 초과 및 3.7% 이하인 것을 특징으로 하는 유기 태양전지 제조방법.
상기 전자주게 물질은 폴리(3-헥실티오펜), 폴리(3-알킬티오펜), 폴리(3-옥틸티오펜), 폴리(2-메톡시-5-(2’-에틸헥실옥시)-p-페닐렌)비닐렌 및 폴리{2-메톡시-5-[(3,7-디메틸옥틸)옥시]페닐렌}비닐렌으로 이루어지는 군으로부터 선택되는 1종 이상이며, 상기 전자받게 물질은 풀러렌 유도체인 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C61, 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C70 및 1-(3-메톡시카르보닐)-프로필-1-페닐-(6,6)C84으로 이루어지는 군으로부터 선택되는 1종 이상인 것을 특징으로 하는 유기 태양전지 제조방법.
상기 용액은 클로로벤젠, 클로로포름 및 파라자이렌으로 이루어지는 군으로부터 선택되는1종 이상의 유기용매를 더 포함하는 것을 특징으로 하는 유기 태양전지 제조방법.
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Title |
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S.Roquet et al., "Triphenylamine-Thienylenevinylene hybrid systems with internal charge transfer as donor materials for heterojunction solar cells", JACS,Vol.128, pp.3459-3466* |
Y.J.Cheng et alt., "Synthesis of conjugated polymers for organic solar cell applications", Chemical Reviews, Vol.109, pp.5868-5923* |
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