KR102173644B1 - 태양 전지 및 이의 제조 방법 - Google Patents
태양 전지 및 이의 제조 방법 Download PDFInfo
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Abstract
Description
도 2는 도 1에 도시된 태양 전지를 II-II선을 따라 잘라 도시한 개략적인 단면도이다.
도 3a 내지 도 3l은 본 발명의 제1 실시예에 따른 태양 전지의 제조 방법을 순차적으로 도시한 도면이다.
도 4a 내지 도 4g는 본 발명의 제2 실시예에 따른 에미터부 및 후면 전계부를 형성하기 위한 제조 방법을 순차적으로 도시한 도면이다.
114: 제2 진성 반도체층 130: 반사 방지막
120: 에미터부 170: 후면 전계부
141: 제1 전극 142: 제2 전극
150: 비정질 실리콘층 152: 결정층
161: 제1 도펀트층 162: 제2 도펀트층
111: 식각 방지막 180: 확산 방지막
Claims (18)
- 제1 도전성 타입의 불순물을 함유하는 결정질 반도체 기판의 후면에 비정질 실리콘층을 형성하는 단계;
상기 비정질 실리콘층의 후면에 상기 제1 도전성 타입의 불순물과 반대되는 제2 도전성 타입의 불순물을 함유하는 제1 도펀트층 및 상기 제1 도전성 타입 불순물을 함유하는 제2 도펀트층 중 적어도 하나를 포함하는 도펀트층을 형성하는 단계;
상기 도펀트층을 형성하는 단계 이후에 수행되어 상기 비정질 실리콘층을 탈수소화하는 단계;
상기 탈수소화하는 단계 이후에 수행되고, 상기 비정질 실리콘층 중 일부분에 제2 도전성 타입의 불순물을 확산시켜 에미터부를 형성하는 제1 확산 단계; 및
상기 탈수소화하는 단계 이후에 수행되고, 상기 비정질 실리콘층 중 상기 일부분을 제외한 나머지 부분에 상기 제1 도전성 타입의 불순물을 확산시켜 후면 전계부를 형성하는 제2 확산 단계를 포함하고,
상기 제1 및 제2 확산 단계 중 적어도 하나의 확산 단계는 상기 비정질 실리콘층이 결정화되는 결정화 단계와 동시에 수행되는 태양 전지 제조 방법. - 제1항에 있어서,
상기 비정질 실리콘층의 결정화는 20-80% 범위 내에서 이루어지는 태양 전지 제조 방법. - 제1항에 있어서,
상기 제1 확산 단계가 수행된 이후에,
상기 제2 확산 단계가 수행되는 태양 전지 제조 방법. - 제3항에 있어서,
상기 제1 확산 단계가 수행될 때 상기 결정화 단계가 500℃ 이상에서 수행되는 태양 전지 제조 방법. - 제3항에 있어서,
상기 탈수소화하는 단계는 350-500℃에서 이루어지는 태양 전지 제조 방법. - 제1항에 있어서,
상기 제1 확산 단계와 상기 제2 확산 단계가 동시에 수행되는 태양 전지 제조 방법. - 제6항에 있어서,
상기 제1 확산 단계와 상기 제2 확산 단계가 수행될 때,
상기 결정화 단계가 500℃ 이상에서 수행되는 태양 전지 제조 방법. - 제6항에 있어서,
상기 탈수소화하는 단계는 350-500℃에서 이루어지는 태양 전지 제조 방법. - 제1항에 있어서,
상기 비정질 실리콘층은 200-300nm의 두께로 형성되는 태양 전지 제조 방법. - 제9항에 있어서,
상기 비정질 실리콘층은 상기 제1 확산 단계와, 상기 제2 확산 단계 중 적어도 하나의 온도보다 낮은 온도에서 형성되는 태양 전지 제조 방법. - 제10항에 있어서,
상기 비정질 실리콘층은 250℃에서 형성되는 태양 전지 제조 방법 - 제1항에 있어서,
상기 도펀트층을 형성하는 단계에서, 상기 제1 도펀트층과 상기 제2 도펀트층을 각각 형성하고, 상기 제1 확산 단계와 상기 제2 확산 단계가 동시에 수행되는 태양 전지 제조 방법. - 삭제
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Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140011471A KR102173644B1 (ko) | 2014-01-29 | 2014-01-29 | 태양 전지 및 이의 제조 방법 |
| US14/572,284 US20150214396A1 (en) | 2014-01-29 | 2014-12-16 | Solar cell and method for manufacturing the same |
| EP14004257.3A EP2903037B1 (en) | 2014-01-29 | 2014-12-17 | Fabrication method for back-contact heterojunction solar cell |
| JP2015005864A JP6687321B2 (ja) | 2014-01-29 | 2015-01-15 | 太陽電池及びその製造方法 |
| CN201510023406.6A CN104810414B (zh) | 2014-01-29 | 2015-01-16 | 太阳能电池及其制造方法 |
| US16/506,644 US20190334041A1 (en) | 2014-01-29 | 2019-07-09 | Solar cell and method for manufacturing the same |
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| KR1020140011471A KR102173644B1 (ko) | 2014-01-29 | 2014-01-29 | 태양 전지 및 이의 제조 방법 |
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| KR102173644B1 true KR102173644B1 (ko) | 2020-11-03 |
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| KR102257824B1 (ko) * | 2016-12-05 | 2021-05-28 | 엘지전자 주식회사 | 태양 전지 제조 방법 |
| JP7228561B2 (ja) * | 2018-02-23 | 2023-02-24 | 株式会社カネカ | 太陽電池の製造方法 |
| CN112002778B (zh) * | 2020-07-23 | 2022-10-04 | 隆基绿能科技股份有限公司 | 硅异质结太阳能电池及其制作方法 |
| CN114613881B (zh) * | 2022-02-24 | 2023-07-04 | 浙江晶科能源有限公司 | 太阳能电池及其制备方法、光伏组件 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101173626B1 (ko) * | 2011-07-29 | 2012-08-13 | 엘지전자 주식회사 | 태양 전지 |
| WO2012127769A1 (ja) * | 2011-03-22 | 2012-09-27 | パナソニック株式会社 | 半導体薄膜の形成方法、半導体装置、半導体装置の製造方法、基板及び薄膜基板 |
| WO2013038768A1 (ja) * | 2011-09-12 | 2013-03-21 | 三洋電機株式会社 | 太陽電池及びその製造方法 |
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| US4059461A (en) * | 1975-12-10 | 1977-11-22 | Massachusetts Institute Of Technology | Method for improving the crystallinity of semiconductor films by laser beam scanning and the products thereof |
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- 2014-12-17 EP EP14004257.3A patent/EP2903037B1/en not_active Not-in-force
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2015
- 2015-01-15 JP JP2015005864A patent/JP6687321B2/ja active Active
- 2015-01-16 CN CN201510023406.6A patent/CN104810414B/zh not_active Expired - Fee Related
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2019
- 2019-07-09 US US16/506,644 patent/US20190334041A1/en not_active Abandoned
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| WO2012127769A1 (ja) * | 2011-03-22 | 2012-09-27 | パナソニック株式会社 | 半導体薄膜の形成方法、半導体装置、半導体装置の製造方法、基板及び薄膜基板 |
| KR101173626B1 (ko) * | 2011-07-29 | 2012-08-13 | 엘지전자 주식회사 | 태양 전지 |
| WO2013038768A1 (ja) * | 2011-09-12 | 2013-03-21 | 三洋電機株式会社 | 太陽電池及びその製造方法 |
Also Published As
| Publication number | Publication date |
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| JP2015142132A (ja) | 2015-08-03 |
| CN104810414B (zh) | 2017-06-16 |
| CN104810414A (zh) | 2015-07-29 |
| EP2903037A1 (en) | 2015-08-05 |
| JP6687321B2 (ja) | 2020-04-22 |
| EP2903037B1 (en) | 2016-09-07 |
| US20150214396A1 (en) | 2015-07-30 |
| US20190334041A1 (en) | 2019-10-31 |
| KR20150090607A (ko) | 2015-08-06 |
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