KR101540311B1 - 찰코파이라이트형 화합물계 광결정형 태양전지와 그 제조방법 - Google Patents
찰코파이라이트형 화합물계 광결정형 태양전지와 그 제조방법 Download PDFInfo
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- 239000004038 photonic crystal Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 33
- 229910052951 chalcopyrite Inorganic materials 0.000 title description 3
- -1 chalcopyrite compound Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000001127 nanoimprint lithography Methods 0.000 claims abstract description 8
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical class [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 93
- 150000001875 compounds Chemical class 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 24
- KTSFMFGEAAANTF-UHFFFAOYSA-N [Cu].[Se].[Se].[In] Chemical compound [Cu].[Se].[Se].[In] KTSFMFGEAAANTF-UHFFFAOYSA-N 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 13
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 13
- 230000031700 light absorption Effects 0.000 claims description 11
- 229910052733 gallium Inorganic materials 0.000 claims description 8
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 6
- 239000013522 chelant Substances 0.000 claims description 6
- HVMJUDPAXRRVQO-UHFFFAOYSA-N copper indium Chemical compound [Cu].[In] HVMJUDPAXRRVQO-UHFFFAOYSA-N 0.000 claims description 6
- LCUOIYYHNRBAFS-UHFFFAOYSA-N copper;sulfanylideneindium Chemical compound [Cu].[In]=S LCUOIYYHNRBAFS-UHFFFAOYSA-N 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- UIPVMGDJUWUZEI-UHFFFAOYSA-N copper;selanylideneindium Chemical compound [Cu].[In]=[Se] UIPVMGDJUWUZEI-UHFFFAOYSA-N 0.000 claims description 5
- 229920001940 conductive polymer Polymers 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 abstract description 14
- 239000002994 raw material Substances 0.000 abstract description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000011669 selenium Substances 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000000224 chemical solution deposition Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004613 CdTe Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- NPNMHHNXCILFEF-UHFFFAOYSA-N [F].[Sn]=O Chemical compound [F].[Sn]=O NPNMHHNXCILFEF-UHFFFAOYSA-N 0.000 description 1
- GVFOJDIFWSDNOY-UHFFFAOYSA-N antimony tin Chemical compound [Sn].[Sb] GVFOJDIFWSDNOY-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/10—Semiconductor bodies
- H10F77/16—Material structures, e.g. crystalline structures, film structures or crystal plane orientations
- H10F77/169—Thin semiconductor films on metallic or insulating substrates
- H10F77/1694—Thin semiconductor films on metallic or insulating substrates the films including Group I-III-VI materials, e.g. CIS or CIGS
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
- H10F10/10—Individual photovoltaic cells, e.g. solar cells having potential barriers
- H10F10/16—Photovoltaic cells having only PN heterojunction potential barriers
- H10F10/167—Photovoltaic cells having only PN heterojunction potential barriers comprising Group I-III-VI materials, e.g. CdS/CuInSe2 [CIS] heterojunction photovoltaic cells
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
- H10F71/138—Manufacture of transparent electrodes, e.g. transparent conductive oxides [TCO] or indium tin oxide [ITO] electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/10—Semiconductor bodies
- H10F77/12—Active materials
- H10F77/126—Active materials comprising only Group I-III-VI chalcopyrite materials, e.g. CuInSe2, CuGaSe2 or CuInGaSe2 [CIGS]
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- H—ELECTRICITY
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- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
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- H10F77/20—Electrodes
- H10F77/244—Electrodes made of transparent conductive layers, e.g. transparent conductive oxide [TCO] layers
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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
- 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
- Y02E10/541—CuInSe2 material 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
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Abstract
Description
도 2는 본 발명에 따른 찰코파이라이트형 화합물을 나노임프린트 리소그래프 공정을 통해 형성된 광결정 구조를 나타내는 SEM 사진이다.
도 3은 도 1에 도시된 광흡수층에 형성될 수 있는 광결정의 배열 구조 및 단위 형상을 나타낸 평면도이다.
도 4는 AM 1.5 태양 스펙트럼 조사하에서 본 발명의 실시예에 따른 태양전지와 종래 태양전지의 광흡수도를 FDTD(Finite-difference time-domain) simulation)법에 의해 계산한 결과 그래프이다.
30 : n-층 40 : 전자수송층
50 : 전극층
Claims (17)
- 전도성 기판의 표면에 형성되는 광결정 구조를 갖는 찰코파이라이트형 화합물을 함유하는 광흡수층;
상기 광흡수층의 표면에 형성된 n-층;
상기 n-층의 표면에 형성된 전자수송층; 및
상기 전자수송층의 표면에 형성된 전극층;을 포함하고,
상기 광흡수층은 나노임프린트 리소그래프 공정을 통해 제조되는 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지. - 제1항에 있어서,
상기 전도성 기판은 ITO(인듐주석산화물) 또는 FTO(불소-도핑 된 인듐주석산화물) 유리, Mo 코팅된 유리, 금속 포일, 금속 판 및 전도성 고분자 물질로 이루어진 군으로부터 선택되는 어느 하나의 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지. - 제1항에 있어서,
상기 찰코파이라이트형 화합물은 구리인듐셀렌(CIS), 구리인듐갈륨셀렌(CIGS), 구리인듐황(CIS), 구리인듐갈륨황(CIGS)로 이루어진 군으로부터 선택되는 어느 하나의 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지. - 삭제
- 제1항에 있어서,
상기 광흡수층과 n-층 사이의 층간 에너지 차이와 격자상수 차이를 완화하는 버퍼층을 상기 광흡수층의 표면에 더 포함하는 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지. - 제1항에 있어서,
상기 광흡수층에 형성된 광결정 단위형상의 직경은 0.05 ~ 1 ㎛인 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지. - 제1항에 있어서,
상기 광흡수층에 형성된 광결정 단위형상의 이격 거리는 0.1 ~ 1 ㎛인 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지. - 제1항에 있어서,
상기 광흡수층에 형성된 광결정 단위형상의 높이는 0.02 ~ 1 ㎛인 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지. - 제1항에 있어서,
상기 태양전지의 두께는 100 ~ 3000 ㎚인 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지. - ⅰ) 전도성 기판 상에 광결정 구조를 갖는 찰코파이라이트형 화합물을 함유하는 광흡수층을 형성하는 단계;
ⅱ) 상기 광흡수층의 상부에 n-층을 형성하는 단계;
ⅲ) 상기 n-층의 상부에 전자수송층을 형성하는 단계; 및
ⅳ) 상기 전자수송층의 상부에 전극층을 부착하고 압착하는 단계;를 포함하는 찰코파이라이트형 화합물계 태양전지의 제조방법. - 제10항에 있어서,
상기 ⅰ ) 단계는 ⅰ-1) 상기 전도성 기판의 표면에 찰코파이라이트형 화합물을 포함하는 졸-겔 용액을 도포하는 도포단계;
ⅰ-2) 상기 광결정 구조의 역 표면 형상을 갖는 마스크로 상기 찰코파이라이트형 화합물을 임프린트시켜서 광결정을 형성시키는 단계; 및
ⅰ-3) 상기 마스크를 가압 및 가열함으로써 상기 졸-겔 용액이 광결정 구조로 성형되는 단계;를 포함하는 찰코파이라이트형 화합물계 태양전지의 제조방법. - 제10항에 있어서,
상기 전도성 기판은 ITO(인듐주석산화물), FTO(불소-도핑 된 인듐주석산화물) 유리, Mo 코팅된 유리, 금속 포일, 금속 판 및 전도성 고분자 물질로 이루어진 군으로부터 선택되는 어느 하나의 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지의 제조방법. - 제10항에 있어서,
상기 찰코파이라이트형 화합물은 구리인듐셀렌(CIS), 구리인듐갈륨셀렌(CIGS), 구리인듐황(CIS) 및 구리인듐갈륨황(CIGS)로 이루어진 군으로부터 선택되는 어느 하나의 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지의 제조방법. - 제10항에 있어서,
상기 ⅰ) 단계와 ⅱ) 단계 사이에 상기 광흡수층의 표면에 버퍼층을 형성하는 단계;를 더 포함하는 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지의 제조방법. - 제10항에 있어서,
상기 광흡수층에 형성된 광결정 단위형상의 직경은 0.05 ~ 1 ㎛인 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지의 제조방법. - 제10항에 있어서,
상기 광흡수층에 형성된 광결정 단위형상의 이격 거리는 0.1 ~ 1 ㎛인 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지의 제조방법. - 제10항에 있어서,
상기 태양전지의 두께는 100 ~ 3000 ㎚인 것을 특징으로 하는 찰코파이라이트형 화합물계 태양전지의 제조방법.
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