KR100876613B1 - 탄뎀 박막 실리콘 태양전지 및 그 제조방법 - Google Patents
탄뎀 박막 실리콘 태양전지 및 그 제조방법 Download PDFInfo
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- KR100876613B1 KR100876613B1 KR1020080049000A KR20080049000A KR100876613B1 KR 100876613 B1 KR100876613 B1 KR 100876613B1 KR 1020080049000 A KR1020080049000 A KR 1020080049000A KR 20080049000 A KR20080049000 A KR 20080049000A KR 100876613 B1 KR100876613 B1 KR 100876613B1
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- 239000010409 thin film Substances 0.000 title claims abstract description 114
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 85
- 239000010703 silicon Substances 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims description 42
- 239000010408 film Substances 0.000 claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 claims abstract description 42
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000001301 oxygen Substances 0.000 claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 229910021424 microcrystalline silicon Inorganic materials 0.000 claims description 82
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 52
- 238000000926 separation method Methods 0.000 claims description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 33
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 29
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 26
- 239000001569 carbon dioxide Substances 0.000 claims description 26
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 23
- 230000008021 deposition Effects 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000013081 microcrystal Substances 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 12
- 229910021425 protocrystalline silicon Inorganic materials 0.000 description 12
- 239000013078 crystal Substances 0.000 description 9
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 8
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 8
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 229910010271 silicon carbide Inorganic materials 0.000 description 7
- 229910021423 nanocrystalline silicon Inorganic materials 0.000 description 6
- 238000000059 patterning Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 239000011787 zinc oxide Substances 0.000 description 5
- 229910021419 crystalline silicon Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000031700 light absorption Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 238000001237 Raman spectrum Methods 0.000 description 1
- 229910003811 SiGeC Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- AXQKVSDUCKWEKE-UHFFFAOYSA-N [C].[Ge].[Si] Chemical compound [C].[Ge].[Si] AXQKVSDUCKWEKE-UHFFFAOYSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
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- 239000000446 fuel Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910021422 solar-grade silicon Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
Description
Claims (27)
- 투명기판상에 p형 창층, i형 광전변환층, n형 층이 차례로 적층된 단위전지층이 복수 개로 형성된 복수의 단위전지층을 포함하는 탄뎀 박막 실리콘 태양전지에 있어서,상기 복수의 단위전지층중 2개의 단위전지층 사이에 형성된 중간반사막을 포함하고,상기 중간반사막은 2개의 단위전지층 사이의 산소농도가 상기 중간반사막의 형성방향에 따라 점점 커지도록 프로파일되어 형성되는 탄뎀 박막 실리콘 태양전지.
- 제1항에 있어서,상기 중간반사막은 10 내지 100nm 두께로 형성되는 탄뎀 박막 실리콘 태양전지.
- 제1항에 있어서,상기 중간반사막은 굴절률이 1.5 내지 2.0인 탄뎀 박막 실리콘 태양전지.
- 제1항에 있어서,상기 중간반사막은 비 저항이 102 내지 105 Ω·㎝인 탄뎀 박막 실리콘 태양전지.
- 제1항에 있어서,상기 n형 층은 수소화된 n형 마이크로결정 실리콘(n-μc-Si:H)층인 탄뎀 박막 실리콘 태양전지.
- 제1항에 있어서,상기 복수의 단위전지층중 상기 중간반사막이 형성되는 하부의 단위전지층중 i형 광전변환층은 수소화된 비정질 실리콘을 포함하는 단위전지층인 탄뎀 박막 실리콘 태양전지.
- 제1항에 있어서,상기 복수의 단위전지층중 상기 중간반사막상에 형성되는 상부의 단위전지층중 i형 광전변환층은 수소화된 비정질 실리콘 또는 수소화된 마이크로 결정 실리콘을 포함하는 단위전지층인 탄뎀 박막 실리콘 태양전지.
- 제1항에 있어서,상기 복수의 단위전지층 상에 적층되는 금속이면전극을 더 포함하는 탄뎀 박막 실리콘 태양전지.
- 제1항, 제6항 내지 제8항중 어느 하나의 항에 있어서,상기 복수의 단위전지층은 2개의 단위전지층인 탄뎀 박막 실리콘 태양전지.
- 제1항, 제6항 내지 제8항중 어느 하나의 항에 있어서,상기 복수의 단위전지층은 3개의 단위전지층인 탄뎀 박막 실리콘 태양전지.
- 투명기판상에 투명전면전극층을 코팅하는 단계;상기 투명전면전극층의 일부를 제거하고 상기 투명전면전극층의 분리홈을 형성하여 분리된 복수의 투명전면전극을 형성하는 단계;상기 복수의 투명전면전극상 및 상기 투명전면전극층의 분리홈상에 p형 창층, i형 광전변환층, n형 층이 차례로 적층된 단위전지층이 복수 개로 형성된 복수의 단위전지층을 형성하는 단계;상기 복수의 단위전지층의 일부를 제거하고 상기 단위전지층의 분리홈을 형성하여 분리된 복수의 단위전지를 형성하는 단계;상기 복수의 단위전지층상 및 상기 단위전지층의 분리홈상에 금속이면전극층을 적층하는 단계; 및상기 금속이면전극층의 일부를 제거하고 상기 금속이면전극층의 분리홈을 형성하여 분리된 복수의 금속이면전극을 형성하는 단계를 포함하되,상기 복수의 단위전지층을 형성하는 단계는, 상기 복수의 단위전지층중 2개의 단위전지층 사이에 수소화된 n형 마이크로결정 산화실리콘 중간반사막을 형성하는 단계를 더 포함하고,상기 중간반사막은 박막내에 이산화탄소를 유입하고 상기 유입된 이산화탄소의 유량을 조절하여 산소농도가 상기 중간반사막의 형성방향에 따라 점점 커지도록 프로파일되어 형성되는 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제11항에 있어서,상기 중간반사막은, 굴절률이 1.5 내지 2.5인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제11항에 있어서,상기 중간반사막은 10 내지 100nm 두께인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제11항에 있어서,상기 중간반사막은, 비 저항이 102 내지 105 Ω·㎝인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제11항에 있어서,상기 복수의 단위전지층은 2층인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제11항에 있어서,상기 복수의 단위전지층은 3층인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제11항에 있어서,상기 n형 층은 30 내지 50nm 두께의 수소화된 n형 마이크로결정 실리콘(n-μc-Si:H) 박막인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제11항에 있어서,상기 중간반사막을 형성하는 단계는, 상기 n형 층을 적층하는 때와 동일한 원료가스, 증착온도, 및 증착압력을 가지며, 동일 챔버내에서 상기 이산화탄소를 유입하는 것을 특징으로 하는 탄뎀 박막 태양전지의 제조방법.
- 투명기판상에 투명전면전극층을 코팅하는 단계;상기 투명전면전극층의 일부를 제거하고 상기 투명전면전극층의 분리홈을 형성하여 분리된 복수의 투명전면전극을 형성하는 단계;상기 복수의 투명전면전극상 및 상기 투명전면전극층의 분리홈상에 p형 창층, i형 광전변환층, n형 층이 차례로 적층된 단위전지층이 복수 개로 형성된 복수의 단위전지층을 형성하는 단계;상기 복수의 단위전지층의 일부를 제거하고 상기 단위전지층의 분리홈을 형성하여 분리된 복수의 단위전지를 형성하는 단계;상기 복수의 단위전지층상 및 상기 단위전지층의 분리홈상에 금속이면전극층을 적층하는 단계; 및상기 금속이면전극층의 일부를 제거하고 상기 금속이면전극층의 분리홈을 형성하여 분리된 복수의 금속이면전극을 형성하는 단계를 포함하되,상기 복수의 단위전지층을 형성하는 단계는, 상기 복수의 단위전지층 사이에 산소 또는 이산화탄소를 유입하고, 상기 유입된 산소 또는 이산화탄소를 플라즈마 턴온에 의하여 n형 층을 산화시켜 수소화된 n형 마이크로 결정 산화실리콘 중간반사막을 형성하는 단계를 더 포함하는 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제19항에 있어서,상기 중간반사막은, 굴절률이 1.5 내지 2.5인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제19항에 있어서,상기 중간반사막은 10 내지 100nm 두께인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제19항에 있어서,상기 중간반사막은, 비 저항이 102 내지 105 Ω·㎝인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제19항에 있어서,상기 복수의 단위전지층은 2층인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제19항에 있어서,상기 복수의 단위전지층은 3층인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제19항에 있어서,상기 중간반사막을 형성하는 단계 전의 상기 n형 층은 40 내지 150nm 두께의 수소화된 n형 마이크로결정 실리콘(n-μc-Si:H) 박막인 탄뎀 박막 실리콘 태양전지의 제조방법.
- 제19항에 있어서,상기 중간반사막을 형성하는 단계는, 상기 n형 층을 적층할 때의 증착온도는 유지하고, 원료가스를 배기시킨 후, 동일 챔버내에서 상기 산소 또는 상기 이산화탄소를 유입하는 것을 특징으로 하는 탄뎀 박막 실리콘 태양전지의 제조방법.
- 투명기판상에 코팅된 투명전면전극층의 일부를 제거하고 상기 투명전면전극층의 분리홈을 형성한 후, 상기 분리홈에 의하여 분리된 복수의 투명전면전극;상기 복수의 투명전면전극 상 및 상기 투명전면전극층의 분리홈 상에 p형 창층, i형 광전변환층, n형 층이 차례로 적층된 단위전지층이 복수 개로 형성된 복수의 단위전지층의 일부를 제거하고 상기 단위전지층의 분리홈을 형성한 후, 상기 분리홈에 의하여 분리된 복수의 단위전지; 및상기 복수의 단위전지 상 및 상기 단위전지층의 분리홈 상에 적층된 금속이면전극층의 일부를 제거하고 상기 금속이면전극층의 분리홈을 형성한 후, 상기 분리홈에 의하여 형성된 복수의 금속이면전극을 포함하되,상기 복수의 단위전지층은, 상기 복수의 단위전지층 사이에 형성된 수소화된 n형 마이크로 결정 산화실리콘 중간반사막을 더 포함하고,상기 중간반사막은, 상기 복수의 단위전지층 사이에 산소 또는 이산화탄소를 유입하고, 상기 유입된 산소 또는 이산화탄소를 플라즈마 턴온에 의하여 n형 층을 산화시켜 형성되는 탄뎀 박막 실리콘 태양전지.
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Also Published As
Publication number | Publication date |
---|---|
EP2128904A2 (en) | 2009-12-02 |
US8628995B2 (en) | 2014-01-14 |
US20090293936A1 (en) | 2009-12-03 |
US8648251B2 (en) | 2014-02-11 |
CN101593779A (zh) | 2009-12-02 |
US20120070935A1 (en) | 2012-03-22 |
EP2128904A3 (en) | 2014-09-03 |
CN101593779B (zh) | 2011-07-20 |
TW200950114A (en) | 2009-12-01 |
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