KR20200061447A - CZTSSe계 광흡수층의 제조방법 및 이를 포함하는 태양전지의 제조방법 - Google Patents
CZTSSe계 광흡수층의 제조방법 및 이를 포함하는 태양전지의 제조방법 Download PDFInfo
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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
- H10F77/128—Active materials comprising only Group I-II-IV-VI kesterite materials, e.g. Cu2ZnSnSe4 or Cu2ZnSnS4
-
- H01L31/0326—
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- H01L31/022425—
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- H01L31/0445—
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- H01L31/18—
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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
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/30—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules comprising thin-film photovoltaic cells
-
- 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
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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
- H10F77/20—Electrodes
- H10F77/206—Electrodes for devices having potential barriers
- H10F77/211—Electrodes for devices having potential barriers for photovoltaic 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
- 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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Sustainable Energy (AREA)
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- Photovoltaic Devices (AREA)
Abstract
Description
도 2는 기판 상에 전극 및 광흡수층 전구체가 순차적으로 적층된 것을 도시한 것이다.
도 3은 본 발명의 실시 예를 따르는 태양전지의 제조방법의 순서도 이다.
도 4a는 비교 예 1에 의해 형성된 CZTSSe 박막의 단면 주사전자현미경사진이다.
도 4b는 비교 예 1에 의해 형성된 CZTSSe 박막의 표면 주사전자현미경 사진이다.
도 4c는 비교 예 1에 의해 형성된 CZTSSe 박막의 단면 주사전자현미경 사진이다.
도 5a는 실시 예 1에 의해 형성된 CZTSSe 화합물 박막의 단면 주사전자현미경 사진이다.
도 5b는 실시 예 1에 의해 형성된 CZTSSe 화합물 박막의 단면 주사전자현미경 사진이다.
도 5c는 실시 예 1에 의해 형성된 CZTSSe 화합물 박막의 표면 주사전자현미경 사진이다.
도 6a는 비교 예 1에서 전구체를 열처리 준비할 때, 전구체와 마주보고 있는 플랭크 기구의 표면 촬영 사진이다.
도 6b는 실시 예 1에서 전구체를 열처리 준비할 때, 전구체와 대응되는 플랭크 기구의 표면 촬영 사진이다.
도 7a 는 비교 예 1에 조건에서 전구체를 열처리 공정을 약 300℃ 부근의 온도 범위에서 중단하여 확인한 박막의 STEM - mapping 이미지이다.
도 7b 는 실시 예 1에 조건에서 전구체를 열처리 공정을 약 300℃ 부근의 온도 범위에서 중단하여 확인한 박막의 STEM - mapping 이미지이다.
101: Mo 후면 전극층
102: Zn 금속전구체 층
103: Sn 금속전구체 층
104: Cu 금속전구체 층
Claims (3)
- 기판 상에 전구체 물질로 금속을 사용하여 구리(Cu), 아연(Zn) 및 주석(Sn)을 포함하는 전구체층을 형성하는 단계;
상기 전구체층이 형성된 기판 및 금속 형태의 셀레늄(Se)을 챔버 내에 배치하는 단계;
상기 챔버 내의 압력을 감소하는 단계;
상기 챔버 내에 불활성 기체를 공급하는 단계;
상기 챔버 내의 압력이 300 내지 700 Torr에 도달 시 상기 불활성 기체의 공급을 차단하는 단계; 및
상기 챔버 내의 압력을 300 내지 700 Torr로 유지하고, 상기 챔버 내의 기판을 가열하며 황화수소(H2S)를 공급하되, 300℃ 내지 350℃ 이하의 온도 범위에서 황화수소를 공급하고, 적어도 400℃를 초과하는 온도 범위에서 황화수소의 공급을 차단하는 단계;를 포함하는 CZTSSe계 광흡수층의 제조방법.
- 제1항에 있어서,
상기 전구체층은 개별 원소 적층법 또는 동시 증착법 중 적어도 하나의 방법으로 형성되는 화합물 광흡수층의 제조방법.
- 기판을 준비하는 단계;
상기 기판 상에 제1 전극을 형성하는 단계; 및
상기 제1 전극 상부에 CZTSSe계 광흡수층을 형성하는 단계;를 포함하고,
상기 제1 전극 상부에 CZTSSe계 광흡수층을 형성하는 단계는,
기판 상에 전구체 물질로 금속을 사용하여 구리(Cu), 아연(Zn) 및 주석(Sn)을 포함하는 전구체층을 형성하는 단계; 상기 전구체층이 형성된 기판 및 금속 형태의 셀레늄(Se)을 챔버 내에 배치하는 단계; 상기 챔버 내의 압력을 감소하는 단계; 상기 챔버 내에 불활성 기체를 공급하는 단계; 상기 챔버 내의 압력이 300 내지 700 Torr에 도달 시 상기 불활성 기체의 공급을 차단하는 단계; 및 상기 챔버 내의 압력을 300 내지 700 Torr로 유지하고, 상기 챔버 내의 기판을 가열하며 황화수소(H2S)를 공급하되, 300℃ 내지 350℃ 이하의 온도 범위에서 황화수소를 공급하고, 적어도 400℃를 초과하는 온도 범위에서 황화수소의 공급을 차단하는 단계;를 포함하는 CZTSSe계 태양전지의 제조방법.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020180146272A KR102284740B1 (ko) | 2018-11-23 | 2018-11-23 | CZTSSe계 광흡수층의 제조방법 및 이를 포함하는 태양전지의 제조방법 |
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| CN114899280A (zh) * | 2022-05-11 | 2022-08-12 | 中南大学 | 一种镉掺杂的铜锌锡硫硒薄膜制备方法及其在太阳能电池中的应用 |
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