KR101458565B1 - 유기 태양전지 및 이의 제조방법 - Google Patents
유기 태양전지 및 이의 제조방법 Download PDFInfo
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- KR101458565B1 KR101458565B1 KR1020130120619A KR20130120619A KR101458565B1 KR 101458565 B1 KR101458565 B1 KR 101458565B1 KR 1020130120619 A KR1020130120619 A KR 1020130120619A KR 20130120619 A KR20130120619 A KR 20130120619A KR 101458565 B1 KR101458565 B1 KR 101458565B1
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- H—ELECTRICITY
- 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
-
- 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
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
Description
도 2는 본 발명에 따른 실시예 1 및 비교예 1에서 제조된 유기 태양전지에서 전자수송층의 접촉각을 나타낸 사진이고;
도 3은 본 발명에 따른 실시예 1 및 비교예 1에서 제조된 유기 태양전지의 암상태에서 광전력변환효율을 나타낸 그래프이고;
도 4 내지 7은 본 발명에 따른 실시예 1 내지 3 및 비교예 1에서 제조된 유기 태양전지의 표준조건 상태에서 광전력변환효율을 나타낸 그래프이다.
개방 전압 (V) | 단락전류밀도 (mA/cm2) | 충진인자 (%) | 광전변환효율 (%) | |
실시예 1 | 0.627 | 8.519 | 62.48 | 3.34 |
실시예 2 | 0.627 | 8.431 | 58.87 | 3.11 |
실시예 3 | 0.629 | 8.206 | 62.30 | 3.22 |
비교예 1 | 0.626 | 8.229 | 50.50 | 2.60 |
100 : 기판
101 : 음극
102 : 전자수송층
103 : 자기조립층
104 : 광활성층
105 : 정공수송층
106 : 양극
Claims (11)
- 기판;
상기 기판 상부에 적층되는 음극;
상기 음극 상부에 적층되는 전자수송층;
상기 전자수송층 상부에 적층되는 광활성층;
상기 광활성층 상부에 적층되는 정공수송층; 및
상기 정공수송층 상부에 적층되는 양극;을 포함하는 유기 태양전지에 있어서,
상기 전자수송층 및 광활성층 사이에 아미노산을 포함하는 자기조립층(Self assembled monolayer)이 형성되며,
상기 아미노산은 하기 화학식 1로 표현되는 아미노산 화합물인 것을 특징으로 하는 유기 태양전지:
<화학식 1>
(상기 화학식 1에 있어서,
R은 ; ; ; ; ; ;C6 내지 C14의 아릴; 또는 N, O 및 S로 이루어진 군으로부터 선택되는 1 종 이상의 헤테로 원자를 포함하는 5 내지 8 원자의 헤테로 아릴로 치환된 C1 내지 C6의 알킬이고,
여기서, 상기 아릴 및 헤테로 아릴은 ; ; ; ; 또는 ;로 치환될 수 있고,
n은 0 내지 3인 정수이다.).
- 삭제
- 제1항에 있어서,
상기 음극은 인듐 틴 옥사이드(ITO), 안티몬 틴 옥사이드(ATO), 플루오린 틴 옥사이드(FTO), 알루미늄 도핑된 징크 옥사이드(AZO), 갈륨 도핑된 징크 옥사이드(GZO), 은 나노 입자, 은 나노 와이어 및 탄소 나노 튜브(CNT)로 이루어지는 군으로부터 선택되는 1 종 이상의 전도성 물질인 것을 특징으로 하는 유기 태양전지.
- 제1항에 있어서,
상기 전자수송층은 티타늄디옥사이드(TiO2), 징크옥사이드(ZnO) 및 알루미늄 도핑된 징크옥사이드(Al-doped ZnO)로 이루어지는 군으로부터 선택되는 1 종 이상의 금속 산화물인 것을 특징으로 하는 유기 태양전지.
- 제1항에 있어서,
상기 광활성층은 전자수용체(Electron acceptor)와 정공수용체(Hole acceptor)를 포함하는 것을 특징으로 하는 유기 태양전지.
- 제5항에 있어서,
상기 전자수용체는 폴리(3-헥실티오펜)(P3HT), 폴리실록산카르바졸, 폴리아닐린, 폴리에틸렌옥사이드, 폴리(1-메톡시-4-(0-디스퍼스레1)-2,5-페닐렌-비닐렌, 폴리인돌, 폴리카르바졸, 폴리피리디아진, 폴리이소티아나프탈렌, 폴리페닐렌설파이드, 폴리비닐피리딘, 폴리티오펜, 폴리플루오렌, 폴리피리딘 및 이들의 유도체로 이루어지는 군으로부터 선택되는 1 종 이상인 것을 특징으로 하는 유기 태양전지.
- 제5항에 있어서,
상기 정공수용체는 풀러렌(fullerene), 플러렌유도체, PBI(polybenzimidazole), PTCBI(3,4,9,10perylenetetracarboxylic bisbenzimidazole) 및 PCBM([6,6]phenyl-C61-butyricacidmethylester)으로 이루어지는 군으로부터 선택되는 1 종 이상인 것을 특징으로 하는 유기 태양전지.
- 제1항에 있어서,
상기 정공수송층은 PEDOT:PSS(poly(3,4-ethylenedioxythiophene):poly(4-styrene sulfonate)) 또는 텅스텐옥사이드(WO3), 니켈옥사이드(NiO), 몰리브데늄옥사이드(MoO2, MoO3) 및 세륨 도핑된 텅스텐옥사이드(CeWO3)로 이루어진 군으로부터 선택되는 1 종 이상의 금속 산화물인 것을 특징으로 하는 유기 태양전지.
- 제1항에 있어서,
상기 양극은 은(Ag), 백금(Pt), 텅스텐(W), 구리(Cu), 몰리브데늄(Mo), 금(Au), 니켈(Ni) 및 팔라듐(Pd)으로 이루어지는 군으로부터 선택되는 1 종 이상의 금속인 것을 특징으로 하는 유기 태양전지.
- 기판 상부에 음극을 형성하는 단계(단계 1);
상기 단계 1에서 형성된 음극 상부에 전자수송층을 형성하는 단계(단계 2);
상기 단계 2에서 형성된 전자수송층 상부에 아미노산을 포함하는 자기조립층을 형성하는 단계(단계 3);
상기 단계 3에서 형성된 자기조립층 상부에 광활성층을 형성하는 단계(단계 4);
상기 단계 4에서 형성된 광활성층 상부에 정공수송층을 형성하는 단계(단계 5); 및
상기 단계 5에서 형성된 정공수송층 상부에 양극을 형성하는 단계(단계 6);를 포함하는 것을 특징으로 하는 제1항에 따른 유기 태양전지의 제조방법.
- 제10항에 있어서,
상기 단계 3의 자기조립층은 스핀 코팅, 딥코팅, 잉크젯 프린팅, 스프레이 코팅, 스크린 인쇄, 드롭 캐스팅, 도장법 및 닥터 블레이드로 이루어지는 군으로부터 선택되는 1 종 이상의 방법에 의해서 코팅되는 것을 특징으로 하는 유기 태양전지의 제조방법.
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