KR101022543B1 - 태양전지용 반도체 전극, 이의 제조 방법 및 이를 포함하는태양 전지 - Google Patents
태양전지용 반도체 전극, 이의 제조 방법 및 이를 포함하는태양 전지 Download PDFInfo
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- KR101022543B1 KR101022543B1 KR1020080107029A KR20080107029A KR101022543B1 KR 101022543 B1 KR101022543 B1 KR 101022543B1 KR 1020080107029 A KR1020080107029 A KR 1020080107029A KR 20080107029 A KR20080107029 A KR 20080107029A KR 101022543 B1 KR101022543 B1 KR 101022543B1
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- Prior art keywords
- electrode
- dye
- semiconductor compound
- semiconductor
- electrodeposition
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
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- Y02E10/542—Dye sensitized solar 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
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Abstract
Description
Claims (16)
- (i)분산매질, 반도체 화합물, 물, 및 금속염을 혼합하여 전착액을 제조하는 단계;(ii)투명 기판에 형성되어 있는 투명 전극과 전착 전극을 준비하는 단계;(iii)상기 투명 전극과 상기 전착 전극을 상호 대향하도록 상기 전착액에 침적하는 단계;(iv)상기 전착액에 침적된 상기 투명 전극과 상기 전착 전극에 직류 전계를 인가하여 반도체 화합물과 금속수화물로 구성되는 반도체 화합물 박막을 형성하는 단계;(v)상기 반도체 화합물 박막이 형성된 투명 전극 기판을 열처리하여 금속수화물을 금속산화물로 전환시키는 단계; 및(vi)상기 열처리된 반도체 화합물 박막에 염료를 흡착시키는 단계로 이루어지는 염료 감응 태양 전지용 반도체 전극의 제조 방법.
- 제1항에 있어서,상기 전착액은, 분산 매질 80 내지 99 중량%, 반도체 화합물 0.01 내지 30 중량%, 물 0.001 내지 10중량%, 금속염 0.005 내지 5 중량%로 구성된 것을 특징으로 하는 염료감응형 태양전지용 반도체 전극의 제조 방법.
- 제 1항에 있어서상기 직류 전계를 인가하는 것은 직류 전계의 크기가 다른 2단계 혹은 3단계로 이루어 지는 것을 특징으로 하는 염료감응형 태양전지용 반도체 전극의 제조 방법.
- 제1항에 있어서,상기 투명전극은 FTO(fluorine-doped tin oxide), ITO(indium-tin oxide), IZO(indium zinc oxide), ZnO-Ga2O3, ZnO-Al2O3, SnO2-Sb2O3 로 이루어지는 군에서 선택되는 것인 염료 감응 태양 전지용 반도체 전극의 제조 방법.
- 제1항에 있어서,상기 반도체 화합물은 TiO2, SnO2, ZnO, WO3, Nb2O5, TiSrO3 로 이루어지는 군에서 선택되는 것인 염료 감응 태양 전지용 반도체 전극의 제조 방법.
- 제1항에 있어서,상기 염료는 RuL2 (SCN) 2, RuL2 (H2O) 2, RuL3, RuL2 (식 중, L은 2,2'-비피리딜-4,4'-디카르복실레이트 등을 나타낸다) 등의 루테늄 착물, 로다민 B, 로즈벤갈, 에오신, 에리스로신 등의 크산틴계 색소, 퀴노시아닌, 크립토시아닌 등의 시아닌계 색소, 페노사프라닌, 카르비블루, 티오신, 메틸렌블루 등의 염기성 염료, 클로로필, 아연 포르피린, 마그네슘 포르피린 등의 포르피린계 화합물, 아조 색소, 프탈 로시아닌 화합물, 안트라퀴논계 색소, 및 다환퀴논계 색소로 이루어지는 군에서 선택되는 것인 염료 감응 태양 전지용 반도체 전극의 제조 방법.
- 제1항에 있어서,상기 금속산화물은 Al2O3, MgO, La2O3, CaO, Fe2O3, ZnO, CoO, NiO, Y2O3, Ga2O3, In2O3, Nd2O3, Sc2O3, ZrO2 로 이루어지는 군에서 선택되는 것인 염료 감응 태양 전지용 반도체 전극의 제조 방법.
- (i)분산매질, 평균입경이 10 nm 미만인 반도체 화합물, 물, 금속염을 혼합하여 제 1 전착액, 분산매질, 평균입경이 10~200 nm인 반도체 화합물, 물, 금속염을 혼합하여 제 2 전착액, 분산매질, 평균입경이 200~600 nm인 반도체화합물, 물, 금속염을 혼합하여 제 3 전착액을 제조하는 단계;(ii)투명 기판에 코팅된 투명전극과 전착 전극을 준비하는 단계;(iii)상기 투명 전극과 상기 전착 전극을 상호 대향하도록 상기 제 1 전착액에 침적하는 단계;(iv)상기 (iii)단계에서의 투명 전극과 전착 전극에 직류 전계를 인가하여 평균입경이 10 nm 미만인 반도체화합물과 금속수화물로 구성되는 제 1 반도체 화합물 박막을 상기 투명전극에 전착시키는 단계;(v)상기 (iv)단계가 완료된 투명전극과 전착전극을 상호 대향하도록 상기 제 2 전착액에 침적하는 단계;(vi)상기 (v) 단계가 완료된 투명 전극과 전착 전극에 직류 전계를 인가하여 평균입경이 10~200 nm인 반도체 화합물과 금속 수화물로 구성되는 제 2 반도체 화합물 박막을 상기 제1 반도체 화합물 박막 상부에 전착시키는 단계;(vii) 상기 (vi)단계가 완료된 투명전극과 전착전극을 상호 대향하도록 상기 제 3 전착액에 침적하는 단계;(viii) 상기 (vii) 단계가 완료된 투명 전극과 전착 전극에 직류 전계를 인가하여 평균입경이 200~600 nm인 반도체화합물과 금속수화물로 구성되는 제 3 반도체 화합물 박막을 상기 제2 반도체 화합물 박막 상부에 전착시키는 단계;(ix)상기 (viii)단계가 완료된 기판을 열처리하여 상기 금속수화물을 금속산화물로 전환시키는 단계; 및(x)상기 (ix) 단계가 완료된 기판을 염료 용액에 침적하여 상기 제2 반도체화합물 박막에 염료를 흡착시키는 단계로 이루어지는 것을 특징으로 하는 염료감응형 태양전지용 반도체 전극의 제조 방법.
- 제 1항 내지 제8항 중 어느 한 항에 따른 제조 방법에 의하여 제조되고,투명 기판;상기 투명 기판 상에 형성된 투명 전극;상기 투명 전극 상에 전착법에 의해 형성되며, 반도체 화합물과 금속 산화물로 구성되는 반도체 화합물 박막; 및상기 반도체 화합물 박막에 흡착된 염료를 포함하는 염료 감응형 태양 전지용 반도체 전극.
- 제9항에 있어서,상기 투명 전극은 FTO(fluorine-doped tin oxide), ITO(indium-tin oxide), IZO(indium zinc oxide), ZnO-Ga2O3, ZnO-Al2O3, SnO2-Sb2O3 로 이루어지는 군에서 선택되는 것인 염료 감응 태양 전지용 반도체 전극.
- 제9항에 있어서,상기 반도체 화합물은 TiO2, SnO2, ZnO, WO3, Nb2O5, TiSrO3 로 이루어지는 군에서 선택되는 것인 염료 감응 태양 전지용 반도체 전극.
- 제9항에 있어서,상기 금속산화물은 Al2O3, MgO, La2O3, CaO, Fe2O3, ZnO, CoO, NiO, Y2O3, Ga2O3, In2O3, Nd2O3, Sc2O3, ZrO2 로 이루어지는 군에서 선택되는 것인 염료 감응 태양 전지용 반도체 전극.
- 제9항에 있어서,상기 염료는 RuL2 (SCN) 2, RuL2 (H2O) 2, RuL3, RuL2 (식 중, L은 2,2'-비피리딜-4,4'-디카르복실레이트 등을 나타낸다) 등의 루테늄 착물, 로다민 B, 로즈벤갈, 에오신, 에리스로신 등의 크산틴계 색소, 퀴노시아닌, 크립토시아닌 등의 시아닌계 색소, 페노사프라닌, 카르비블루, 티오신, 메틸렌블루 등의 염기성 염료, 클로로필, 아연 포르피린, 마그네슘 포르피린 등의 포르피린계 화합물, 아조 색소, 프탈로시아닌 화합물, 안트라퀴논계 색소, 및 다환퀴논계 색소로 이루어지는 군에서 선택되는 것인 염료 감응 태양 전지용 반도체 전극.
- 제9항에 있어서,상기 반도체 화합물 박막은 상기 반도체 화합물의 입자의 크기가 다른 2개 또는 3개의 층으로 구성되는 것인 염료 감응 태양 전지용 반도체 전극.
- 제9항에 있어서,상기 반도체 화합물 박막은 상기 반도체 화합물의 입자의 평균입경이 10 nm 미만인반도체 화합물 박막, 평균입경이 10~200 nm인 반도체 화합물 박막, 평균입경이 200~600 nm인 반도체 화합물 박막의 3개의 층으로 구성되는 것인 염료 감응 태양전지용 반도체 전극.
- 제1항 내지 제8항 중 어느 한 항에 따른 제조 방법에 의하여 제조된 염료 감응 태양 전지용 반도체 전극을 포함하는 염료 감응 태양 전지.
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