KR101025652B1 - 잔류 융액을 재활용한 태양전지용 결정 제조방법 - Google Patents
잔류 융액을 재활용한 태양전지용 결정 제조방법 Download PDFInfo
- Publication number
- KR101025652B1 KR101025652B1 KR1020090049895A KR20090049895A KR101025652B1 KR 101025652 B1 KR101025652 B1 KR 101025652B1 KR 1020090049895 A KR1020090049895 A KR 1020090049895A KR 20090049895 A KR20090049895 A KR 20090049895A KR 101025652 B1 KR101025652 B1 KR 101025652B1
- Authority
- KR
- South Korea
- Prior art keywords
- residual melt
- quartz crucible
- heater
- melt
- solar cell
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 239000013078 crystal Substances 0.000 claims abstract description 77
- 239000010453 quartz Substances 0.000 claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000007598 dipping method Methods 0.000 claims abstract description 7
- 238000007711 solidification Methods 0.000 claims abstract description 7
- 230000008023 solidification Effects 0.000 claims abstract description 7
- 230000003247 decreasing effect Effects 0.000 claims abstract description 5
- 239000007791 liquid phase Substances 0.000 claims abstract description 3
- 238000002425 crystallisation Methods 0.000 claims description 7
- 230000008025 crystallization Effects 0.000 claims description 6
- 239000000155 melt Substances 0.000 abstract description 17
- 239000007788 liquid Substances 0.000 abstract description 5
- 235000012431 wafers Nutrition 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/20—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/02—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt
- C30B15/04—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt adding doping materials, e.g. for n-p-junction
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/10—Crucibles or containers for supporting the melt
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (5)
- 쵸크랄스키 법을 이용한 단결정 잉곳의 성장이 완료된 이후, 석영 도가니에 수용된 잔류 융액을 재활용하여 태양전지용 결정을 제조하는 방법에 있어서,(a) 상기 석영 도가니를 감싸는 히터를 이용하여 상기 잔류 융액을 액상으로 유지하는 단계;(b) 상기 석영 도가니에 수용된 잔류 융액에 시드를 디핑시키는 단계; 및(c) 상기 잔류 융액 내에 일방향성 응고가 가능한 상하 온도 구배가 형성될 수 있도록 히터의 파워를 서서히 감소시키면서 석영 도가니를 히터의 외부로 서서히 인출하는 단계;를 포함하는 것을 특징으로 하는 잔류 융액을 재활용한 태양전지용 결정 제조방법.
- 제1항에 있어서,상기 (a) 단계는,상기 석영 도가니를 히터 내에 위치시킨 상태에서 잔류 융액을 가열하는 단계임을 특징으로 하는 잔류 융액을 재활용한 태양전지용 결정 제조방법.
- 제1항에 있어서,상기 (c) 단계에서,상기 석영 도가니를 히터의 위쪽 방향으로 인출하는 것을 특징으로 하는 잔 류 융액을 재활용한 태양전지용 결정 제조방법.
- 제1항에 있어서,상기 (c) 단계에서,상기 히터의 파워는 일정한 레벨까지 비례적으로 감소시키고, 상기 일정한 레벨이 되면 히터를 턴-오프시키는 것을 특징으로 하는 잔류 융액을 재활용한 태양전지용 결정 제조방법.
- 제1항에 있어서,상기 (c) 단계에서,상기 잔류 융액의 결정화가 상부에서 하부로 전파되는 것을 특징으로 하는 잔류 융액을 재활용한 태양전지용 결정 제조방법.
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KR1020090049895A KR101025652B1 (ko) | 2009-06-05 | 2009-06-05 | 잔류 융액을 재활용한 태양전지용 결정 제조방법 |
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KR1020090049895A KR101025652B1 (ko) | 2009-06-05 | 2009-06-05 | 잔류 융액을 재활용한 태양전지용 결정 제조방법 |
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KR20100131149A KR20100131149A (ko) | 2010-12-15 |
KR101025652B1 true KR101025652B1 (ko) | 2011-03-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2016064013A1 (ko) * | 2014-10-23 | 2016-04-28 | 웅진에너지 주식회사 | 잔류 융액 제거 방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101271649B1 (ko) * | 2011-08-18 | 2013-06-11 | 주식회사 인솔텍 | 단결정 실리콘 시드를 이용한 고품질 다결정 실리콘 잉곳의 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62275086A (ja) | 1986-05-22 | 1987-11-30 | Sumitomo Electric Ind Ltd | 結晶育成用ルツボの残留物除去方法 |
JP2003286024A (ja) | 2002-03-27 | 2003-10-07 | Mitsubishi Materials Corp | 一方向凝固シリコンインゴット及びこの製造方法並びにシリコン板及び太陽電池用基板及びスパッタリング用ターゲット素材 |
KR100839829B1 (ko) | 2005-12-15 | 2008-06-19 | 주식회사 실트론 | 폐 실리콘을 이용한 태양전지용 잉곳 제조방법 및 장치 |
JP2009023851A (ja) | 2007-07-17 | 2009-02-05 | Sumco Corp | シリコン単結晶製造用原料の製造方法およびシリコン単結晶の製造方法 |
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- 2009-06-05 KR KR1020090049895A patent/KR101025652B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62275086A (ja) | 1986-05-22 | 1987-11-30 | Sumitomo Electric Ind Ltd | 結晶育成用ルツボの残留物除去方法 |
JP2003286024A (ja) | 2002-03-27 | 2003-10-07 | Mitsubishi Materials Corp | 一方向凝固シリコンインゴット及びこの製造方法並びにシリコン板及び太陽電池用基板及びスパッタリング用ターゲット素材 |
KR100839829B1 (ko) | 2005-12-15 | 2008-06-19 | 주식회사 실트론 | 폐 실리콘을 이용한 태양전지용 잉곳 제조방법 및 장치 |
JP2009023851A (ja) | 2007-07-17 | 2009-02-05 | Sumco Corp | シリコン単結晶製造用原料の製造方法およびシリコン単結晶の製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016064013A1 (ko) * | 2014-10-23 | 2016-04-28 | 웅진에너지 주식회사 | 잔류 융액 제거 방법 |
KR20160047935A (ko) * | 2014-10-23 | 2016-05-03 | 웅진에너지 주식회사 | 잔류 융액 제거 방법 |
KR101635946B1 (ko) * | 2014-10-23 | 2016-07-20 | 웅진에너지 주식회사 | 잔류 융액 제거 방법 |
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