JP5877333B2 - 太陽電池の製造方法 - Google Patents
太陽電池の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 77
- 239000004065 semiconductor Substances 0.000 claims description 354
- 239000000758 substrate Substances 0.000 claims description 229
- 239000003054 catalyst Substances 0.000 claims description 194
- 238000000034 method Methods 0.000 claims description 54
- 230000015572 biosynthetic process Effects 0.000 claims description 20
- 239000012535 impurity Substances 0.000 claims description 16
- 238000004050 hot filament vapor deposition Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 30
- 238000006243 chemical reaction Methods 0.000 description 20
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 11
- 239000012495 reaction gas Substances 0.000 description 10
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Description
本発明の第1参考例に係る太陽電池500Aの製造方法について、図1から図4を参照しながら説明する。図1は、第1参考例に係る太陽電池500Aの製造方法を説明するためのフローチャートである。図2は、第1参考例に係る太陽電池500Aの製造方法に用いられる半導体形成装置1の概略構成上面図である。図3は、工程S1における第1参考例に係る基板搬送用のトレイ201の一部斜視図である。図4は、第1参考例に係る太陽電池500Aの断面図である。
本発明の実施形態に係る太陽電池500Aの製造方法について、図4から図6を参照しながら説明する。以下において、第1参考例に係る太陽電池500Aの製造方法と同一部分については、説明を省略する。すなわち、第1参考例に係る太陽電池500Aの製造方法との相違点を主に説明する。図5は、本実施形態に係る太陽電池500Aの製造方法を説明するためのフローチャートである。図6は、本実施形態に係る太陽電池500Aの製造方法に用いられる半導体形成装置1Aの概略構成上面図である。
本発明の第2参考例に係る太陽電池500Aの製造方法について、図1、図7、図8を参照しながら説明する。以下において、第1参考例に係る太陽電池500Aの製造方法と同一部分については、説明を省略する。すなわち、第1参考例に係る太陽電池500Aの製造方法との相違点を主に説明する。図7は、本発明の第2参考例に係る太陽電池500Aの製造方法に用いられる半導体形成装置1Bの概略構成上面図である。触媒体は、省略している。図8は、半導体形成装置1Bの概略M−M断面図である。
本発明の第3参考例に係る太陽電池500Bの製造方法について、図2,図9及び図10を参照しながら説明する。以下において、第1参考例に係る太陽電池500Aの製造方法と同一部分については、説明を省略する。すなわち、第1参考例に係る太陽電池500Aの製造方法との相違点を主に説明する。図9は、第3参考例に係る太陽電池500Bの製造方法を説明するためのフローチャートである。図10は、第3参考例に係る太陽電池500Bの断面図である。
上述したように、本発明の実施形態を通じて本発明の内容を開示したが、この開示の一部をなす論述及び図面は、本発明を限定するものであると理解すべきではない。
Claims (9)
- 一の主面と他の主面とを有し、結晶系半導体からなる基板と、非結晶性半導体からなる真性半導体層と、非結晶性半導体からなる第一半導体層と第二半導体層とを有し、
前記第一半導体層及び前記第二半導体層の一方は前記基板と同じ導電型を有し、他方は前記基板と逆の導電型を有する太陽電池の製造方法であって、
触媒化学気相成長法によって、前記基板の前記一の主面上と前記他の主面上とに前記真性半導体層を形成する工程S1と、
前記基板の両主面上に形成された前記真性半導体層の少なくとも一方の真性半導体層上に前記第一半導体層または前記第二半導体層を形成する工程S2とを備え、
前記工程S1では、
通電加熱され、原料ガスを分解する触媒体は、前記基板の主面に垂直方向に設けられ開閉可能な隔壁で分けられた第1触媒体と第2触媒体とを有し、
前記第1触媒体は、前記工程S1中に前記一の主面に対向する位置に配置されており、前記第2触媒体は、前記工程S1中に前記他の主面に対向する位置に配置されており、
前記第1触媒体は、第1間隔を空けて複数配置され、前記第2触媒体は、第2間隔を空けて複数配置され、
前記工程S1は、前記一の主面に前記真性半導体層を形成する工程Aと、前記他の主面に前記真性半導体層を形成する工程Bとを有し、
前記工程Aでは、
前記第1間隔の間であり前記第1触媒体と対向する位置に、一の前記基板を搬送し、前記一の基板の前記一の主面に前記真性半導体層を形成し、
前記第1間隔に隣接する他の前記第1間隔の間であり、前記一の基板が対向する前記第1触媒体と対向する位置に、他の前記基板を搬送し、前記他の基板の前記一の主面に前記真性半導体層を形成し、
前記工程Bでは、
一の前記第2触媒体と前記一の第2触媒体に隣接する他の前記第2触媒体との間であり、前記一の第2触媒体と対向する位置に、前記一の基板を搬送し、前記一の基板の前記他の主面に前記真性半導体層を形成し、
前記一の第2触媒体と前記他の第2触媒体との間であり、前記他の第2触媒体と対向する位置に、前記他の基板を搬送し、前記他の基板の前記他の主面に前記真性半導体層を形成する、太陽電池の製造方法。 - 前記工程S2は、第一半導体層形成工程と第二半導体層形成工程とを有し、
前記第一半導体層形成工程では、前記基板の前記一の主面上に形成された前記真性半導体層上に前記第一半導体層を形成し、
前記第二半導体層形成工程では、前記基板の前記他の主面上に形成された前記真性半導体層上に前記第二半導体層を形成する、請求項1に記載の太陽電池の製造方法。 - 前記工程S2は、第一半導体層形成工程と第二半導体層形成工程とを有し、
前記第一半導体層形成工程では、前記基板の前記一の主面上に形成された前記真性半導体層の第1の領域上を含んで前記第一半導体層を形成し、
前記第二半導体層形成工程では、前記基板の前記一の主面上に形成された前記真性半導体層上の第2の領域を含んで前記第二半導体層を形成する、請求項1に記載の太陽電池の製造方法。 - 前記第一半導体層形成工程及び前記第二半導体層形成工程は、非晶質からなる第2真性半導体層を形成する工程を有し、
前記第一半導体層形成工程では、前記真性半導体層上に前記第2真性半導体層と前記第一半導体層とをこの順に形成し、
前記第二半導体層形成工程では、前記真性半導体層上に前記第2真性半導体層と前記第二半導体層とをこの順に形成する、請求項2または3に記載の太陽電池の製造方法。 - 前記第2真性半導体層と、前記第一半導体層及び前記第二半導体層のうち少なくとも一方の半導体層とを、同じ形成室内で形成する請求項4に記載の太陽電池の製造方法。
- 前記一の主面における前記基板と前記真性半導体層との界面から、前記第2真性半導体層と前記第一半導体層との界面までの前記第一半導体層にドープされる不純物の量のピークは、前記真性半導体層と前記第2真性半導体層とからなる層の間にある請求項4に記載の太陽電池の製造方法。
- 前記真性半導体層の前記基板からの厚さは、2nm以上である請求項4又は5に記載の太陽電池の製造方法。
- 前記第1触媒体は、一の前記基板の前記一の主面及び前記一の基板とは異なる他の前記基板の前記一の主面と対向しており、
前記一の基板の前記一の主面と前記他の基板の前記一の主面とには、前記真性半導体層が同時に形成される請求項1から7の何れか1項に記載の太陽電池の製造方法。 - 前記工程S1及び前記工程S2を行うために、前記基板は搬送が行われ、
前記搬送の際には、前記基板のみ搬送される請求項1から8に記載の太陽電池の製造方法。
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ITTV20120211A1 (it) * | 2012-11-09 | 2014-05-10 | Vismunda S R L | Impianto e procedimento per l'assemblaggio automatico di pannelli fotovoltaici. |
WO2019031029A1 (ja) * | 2017-08-09 | 2019-02-14 | 株式会社カネカ | 光電変換素子の製造方法 |
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JP6994866B2 (ja) * | 2017-08-09 | 2022-01-14 | 株式会社カネカ | 光電変換素子の製造方法 |
JP6994867B2 (ja) * | 2017-08-09 | 2022-01-14 | 株式会社カネカ | 光電変換素子の製造方法 |
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JPH11251609A (ja) * | 1998-03-05 | 1999-09-17 | Sanyo Electric Co Ltd | 光起電力素子及びその製造方法 |
JP2004056113A (ja) * | 2002-05-29 | 2004-02-19 | Kyocera Corp | Cat−PECVD法およびそれを用いて形成した半導体装置 |
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JP2003298078A (ja) * | 2002-03-29 | 2003-10-17 | Ebara Corp | 光起電力素子 |
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EP1973167B1 (en) * | 2007-03-19 | 2018-06-13 | Panasonic Intellectual Property Management Co., Ltd. | Photovoltaic device and method of manufacturing the same |
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KR101199210B1 (ko) * | 2010-10-28 | 2012-11-07 | 한국에너지기술연구원 | 태양전지 박막 증착장치, 방법, 시스템 |
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JPH11251609A (ja) * | 1998-03-05 | 1999-09-17 | Sanyo Electric Co Ltd | 光起電力素子及びその製造方法 |
JP2004056113A (ja) * | 2002-05-29 | 2004-02-19 | Kyocera Corp | Cat−PECVD法およびそれを用いて形成した半導体装置 |
JP2007277617A (ja) * | 2006-04-05 | 2007-10-25 | Ulvac Japan Ltd | 縦型化学気相成長装置 |
JP2010538492A (ja) * | 2008-02-25 | 2010-12-09 | サニーバ,インコーポレイテッド | 結晶シリコンp−nホモ接合と表面安定化のためのアモルファスシリコンヘテロ接合とを有する太陽電池 |
JP2010034162A (ja) * | 2008-07-25 | 2010-02-12 | Sanyo Electric Co Ltd | 太陽電池の製造方法 |
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WO2011125861A1 (ja) | 2011-10-13 |
US20120285525A1 (en) | 2012-11-15 |
JPWO2011125861A1 (ja) | 2013-07-11 |
US8647912B2 (en) | 2014-02-11 |
EP2555251A1 (en) | 2013-02-06 |
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