KR20100075045A - 광기전력 변환 소자 및 그의 제조방법 - Google Patents
광기전력 변환 소자 및 그의 제조방법 Download PDFInfo
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- KR20100075045A KR20100075045A KR1020080133646A KR20080133646A KR20100075045A KR 20100075045 A KR20100075045 A KR 20100075045A KR 1020080133646 A KR1020080133646 A KR 1020080133646A KR 20080133646 A KR20080133646 A KR 20080133646A KR 20100075045 A KR20100075045 A KR 20100075045A
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- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
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- H10F77/206—Electrodes for devices having potential barriers
- H10F77/211—Electrodes for devices having potential barriers for photovoltaic cells
- H10F77/219—Arrangements for electrodes of back-contact photovoltaic cells
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- H10F10/10—Individual photovoltaic cells, e.g. solar cells having potential barriers
- H10F10/14—Photovoltaic cells having only PN homojunction potential barriers
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Abstract
Description
Claims (23)
- 전면과 후면을 가진 반도체 기판;상기 반도체 기판 전면에 형성된 보호층;상기 반도체 기판 후면에 형성된 제1 비단결정 반도체층;상기 제1 비단결정 반도체층 후면의 제1 영역에 형성되고 제1 불순물을 포함하는 제1 도전층; 및상기 제1 비단결정 반도체층 후면의 제2 영역에 형성되고 상기 제1 불순물과 제2 불순물을 포함하는 제2 도전층을 포함하는 광기전력 변환 소자.
- 제1항에 있어서, 상기 제1 불순물의 농도는 상기 제2 불순물의 농도보다 작은 것이 특징인 광기전력 변환 소자.
- 제2항에 있어서, 상기 제2 불순물의 농도는 제1 불순물의 농도의 2배-10배인 광기전력 변환소자.
- 제3항에 있어서, 상기 제1 및 제2 도전층의 후면에 형성된 투명 도전층; 및상기 제1 영역 및 상기 제2 영역에 해당하는 상기 투명 도전층의 후면에 위치하는 집합전극을 더 포함하는 광기전력 변환 소자.
- 제4항에 있어서, 상기 반도체 기판, 상기 제1 비단결정 반도체층, 상기 제1 도전층, 상기 제2 도전층 및 상기 투명 도전층 중 어느 하나는 요철을 포함하는 광기전력 변환 소자.
- 제4항에 있어서, 상기 제1 불순물은 3족 또는 5족 원소를 포함하며, 상기 제2 불순물은 3족 또는 5족 원소를 포함하며, 상기 제1 불순물과 상기 제2 불순물은 서로 다른 족의 원소를 포함하는 광기전력 변환소자.
- 전면과 후면을 가진 반도체 기판;상기 반도체 기판 전면에 형성된 보호층;상기 반도체 기판 후면의 제1 영역에 형성된 제1 비단결정 반도체층;상기 제1 비단결정 반도체층 후면에 형성되고 제1 불순물을 포함하는 제1 도전층;상기 반도체 기판 후면의 제2 영역에 형성되고 제2 불순물을 포함하는 제2 비단결정 반도체층; 및상기 제2 비단결정 반도체층 후면에 형성되고 상기 제1 불순물과 상기 제2 불순물을 포함하는 제2 도전층을 포함하는 광기전력 변환 소자.
- 제7항에 있어서, 상기 제2 도전층에서 상기 제1 불순물의 농도는 상기 제2 불순물의 농도보다 크거나 같은 것이 특징인 광기전력 변환 소자.
- 제8항에 있어서, 상기 제2 비단결정 반도체층 내의 상기 제2 불순물의 농도는 상기 제1 도전층 내의 상기 제1 불순물의 농도와 동일한 것이 특징인 광기전력 변환 소자.
- 제9항에 있어서, 상기 제1 및 제2 도전층의 후면에 형성된 투명 도전층; 및상기 제1 영역과 상기 제2 영역에 해당하는 상기 투명 도전층의 후면에 위치하는 집합전극을 더 포함하는 광기전력 변환 소자.
- 제10항에 있어서, 상기 반도체 기판, 상기 제1 비단결정 반도체층, 상기 제1 도전층, 상기 제2 도전층 및 상기 투명 도전층 중 어느 하나는 요철을 포함하는 광기전력 변환 소자.
- 제10항에 있어서, 상기 제1 불순물은 3족 또는 5족 원소를 포함하며, 상기 제2 불순물은 3족 또는 5족 원소를 포함하며, 상기 제1 불순물과 상기 제2 불순물은 서로 다른 족의 원소를 포함하는 광기전력 변환소자.
- 반도체 기판의 전면에 보호층을 형성하는 단계;상기 반도체 기판의 후면에 제1 비단결정 반도체층, 제1 불순물을 포함하는 제1 도전층, 및 투명 도전층을 순차적으로 형성하는 단계;상기 투명 도전층 후면의 제1 영역에 제1 집합전극을 형성하는 단계; 및상기 제1 집합전극이 형성되지 않은 제2 영역에 해당하는 상기 제1 도전층에 제2 불순물을 주입하여, 상기 제1 불순물과 제2 불순물을 포함하는 제2 도전층을 형성하는 단계를 포함하는 광기전력 변환 소자의 제조 방법.
- 제13항에 있어서, 상기 제1 집합전극을 마스크로 하여 상기 제2 영역에 상기 제2 불순물을 도핑하는 광기전력 변환 소자의 제조 방법.
- 제14항에 있어서, 상기 제2 도전층에서 상기 제2 불순물의 농도가 상기 제1 불순물의 농도보다 큰 것이 특징인 광기전력 변환소자의 제조 방법.
- 제15항에 있어서, 상기 제2 영역에 해당하는 상기 투명 도전층의 후면에 제2 집합전극을 형성하는 단계를 더 포함하는 광기전력 변환소자의 제조 방법.
- 제14항에 있어서,상기 제2 도전층에서 상기 제2 불순물의 농도가 상기 제1 불순물의 농도보다 작거나 같은 것이 특징인 광기전력 변환소자의 제조 방법.
- 제17항에 있어서, 상기 제2 불순물을 주입하는 동안 상기 제2 영역에 해당하는 상기 제1 비단결정 반도체층에 상기 제2 불순물이 도핑되어 제2 비단결정 반도 체층을 형성하는 광기전력변환소자의 제조 방법.
- 제18항에 있어서, 상기 제2 영역에 해당하는 상기 투명 도전층의 후면에 제2 집합전극을 형성하는 단계를 더 포함하는 광기전력 변환소자의 제조 방법.
- 반도체 기판의 전면에 보호층을 형성하는 단계;상기 반도체 기판의 후면에 제1 비단결정 반도체층, 제1 불순물을 포함하는 제1 도전층, 및 제1 투명 도전층을 순차적으로 형성하는 단계;상기 반도체 기판의 후면의 제1 영역에서, 상기 제1 투명 도전층 상에 제1 접합전극을 형성하는 단계; 및상기 반도체 기판의 후면의 제2영역에 형성된 상기 제1 투명도전층, 상기 제1 도전층, 상기 제1 비단결정 반도체층를 제거하는 단계;상기 반도체 기판의 후면 전체에 제2 비단결정 반도체층, 제2 불순물을 포함하는 제2 도전층, 제2 투명도전층을 순차적으로 형성하는 단계;상기 반도체 기판의 후면의 제2 영역에서, 상기 제2 투명도전층 상에 제2 접합전극을 형성하는 단계; 및상기 반도체 기판의 후면의 제1 영역에 형성되어 있는 상기 제2 비단결정 반도체층, 상기 제2 도전층, 상기 제2 투명도전층를 제거하는 단계를 포함하는 광기전력 변환소자의 제조 방법.
- 제 20항에 있어서,상기 반도체 기판의 후면의 제2영역에 형성된 제1 투명도전층, 제1 도전층, 제1 비단결정 반도체층를 제거하는 단계는,습식 식각을 이용하여 상기 제1 투명도전층을 제거하는 단계와,건식 식각을 이용하여 상기 제1 도전층을 제거하는 단계를 포함하는 광기전력 변환소자의 제조 방법.
- 제 21항에 있어서, 상기 건식 식각은 황(S)가 포함되지 않은 식각가스를 사용하는 광기전력 변환소자의 제조 방법.
- 제 22항에 있어서, 상기 황(S)가 포함되지 않은 식각가스는 CxFy 계열의 식각가스인 광기전력 변환소자의 제조 방법.
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EP09013446.1A EP2202807B1 (en) | 2008-12-24 | 2009-10-24 | Photoelectric conversion device and manufacturing method thereof |
US13/359,606 US8969713B2 (en) | 2008-12-24 | 2012-01-27 | Method of manufacturing photoelectric conversion device |
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EP2202807A2 (en) | 2010-06-30 |
EP2202807A3 (en) | 2011-03-30 |
EP2996163B1 (en) | 2018-01-03 |
EP2996163A2 (en) | 2016-03-16 |
US20100154869A1 (en) | 2010-06-24 |
EP2202807B1 (en) | 2018-08-08 |
US20120129295A1 (en) | 2012-05-24 |
EP2996163A3 (en) | 2016-04-06 |
US8802972B2 (en) | 2014-08-12 |
KR101539047B1 (ko) | 2015-07-23 |
US8969713B2 (en) | 2015-03-03 |
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