JP2013149937A - 多結晶型シリコン太陽電池パネルおよびその製造方法 - Google Patents
多結晶型シリコン太陽電池パネルおよびその製造方法 Download PDFInfo
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 84
- 239000000758 substrate Substances 0.000 claims abstract description 84
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 75
- 239000002019 doping agent Substances 0.000 claims abstract description 38
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 31
- 239000010703 silicon Substances 0.000 claims abstract description 31
- 238000007740 vapor deposition Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 239000002344 surface layer Substances 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 5
- 230000008021 deposition Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 115
- 239000010410 layer Substances 0.000 description 55
- 239000007789 gas Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 12
- 229910052796 boron Inorganic materials 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000010949 copper Substances 0.000 description 8
- 238000005530 etching Methods 0.000 description 8
- 238000004544 sputter deposition Methods 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 229910021419 crystalline silicon Inorganic materials 0.000 description 6
- 238000007607 die coating method Methods 0.000 description 6
- 238000004050 hot filament vapor deposition Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000011863 silicon-based powder Substances 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 4
- 239000011856 silicon-based particle Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 150000001639 boron compounds Chemical class 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- 150000001495 arsenic compounds Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229940093920 gynecological arsenic compound Drugs 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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Abstract
【解決手段】n型またはp型にドーピングされたシリコンからなる蒸着材料を用いて、基板表面にアモルファスシリコン膜を蒸着により成膜する工程と;前記アモルファスシリコン膜の表層を、p型またはn型ドーパントをプラズマドーピングする工程と;前記プラズマドーピングされたアモルファスシリコン膜にプラズマを走査してアモルファスシリコン膜を溶融させ、かつ再結晶化させる工程と;を有する、多結晶型シリコン太陽電池パネルの製造方法。
【選択図】図1A
Description
前記アモルファスシリコン膜の表層を、p型ドーパントでプラズマドーピングする工程と、
前記プラズマドーピングされたアモルファスシリコン膜にプラズマを走査してアモルファスシリコン膜を溶融させ、かつ多結晶化させる工程と、
を有する、多結晶型シリコン太陽電池パネルの製造方法。
前記アモルファスシリコン膜の表層を、n型ドーパントでプラズマドーピングする工程と、
前記プラズマドーピングされたアモルファスシリコン膜にプラズマを走査してアモルファスシリコン膜を溶融させ、かつ多結晶化させる工程と、
を有する、多結晶型シリコン太陽電池パネルの製造方法。
本発明の多結晶型シリコン太陽電池パネルは、n型またはp型にドーピングされたアモルファスシリコン膜を形成する工程と、前記アモルファスシリコン膜の表層をp型ドーパントまたはn型ドーパントでドーピングする工程と、前記ドーパントでドーピングされたアモルファスシリコン膜を多結晶化して多結晶シリコン膜とする工程と、を有する。このようにして得られる多結晶シリコン膜を、多結晶型シリコン太陽電池のシリコン膜として用いる。
ステップ4では、図1Aのプロセスフローと同様に、プラズマドーピングによりドーピング層を、
それぞれ、形成すればよいが、電気を取り出すために、多結晶シリコン膜5で覆われていない電極層の露出面14aを露出させる。露出面14aの形成方法に制限はないが、例えば、露出面14aを金属板等でマスクして、ステップ3およびステップ4を行なえばよい。また、ステップ3およびステップ4を行なった後で、露出面以外をレジスト等でマスクし、ウェットエッチングやドライエッチング等で露出面14a上のシリコン層を除去しても構わない。なお、ステップ3のアモルファスシリコン膜の形成方法、およびステップ4のドーピング層の形成方法は、図1Aのプロセスフローと同様のため、その説明は省略する。
導電性基板を用いたサブストレート型両面電極式の太陽電池は、受光面に一方の電極(表面電極)を有し、裏面に他方の電極(裏面電極)を有する太陽電池であり、導電性を有する基板1が他方の電極として作用する。
透明絶縁基板を用いたサブストレート型両面電極式の太陽電池は、図2Aを参照して説明した導電性基板を用いたサブストレート型両面電極式太陽電池と同様に、受光面に一方の電極(表面電極)を有し、裏面側に他方の電極(金属裏面電極)を有する太陽電池であり、基板1に形成された電極層14が他方の電極として作用する。
透明絶縁基板を用いたスーパーストレート型両面電極式の太陽電池は、図2Bを参照して説明した透明絶縁基板を用いたサブストレート型両面電極式太陽電池と同様に、受光面に一方の電極を有し、裏面に他方の電極を有する太陽電池であるが、基板側が受光面となる太陽電池である。具体的には、受光面側の基板1上に形成された透明導電層14が一方の電極として作用する。
透明絶縁基板を用いたスーパーストレート型裏面電極式の太陽電池は、受光面に配置された電極を有さず、受光面とは反対の面に陽極および陰極の両方を有する太陽電池をいう。
2 テクスチャー
3 アモルファスシリコン膜
4 ドーピング層
5 多結晶シリコン膜
Claims (7)
- n型にドーピングされたシリコンからなる蒸着材料を用いて、基板表面にアモルファスシリコン膜を蒸着法により成膜する工程と、
前記アモルファスシリコン膜の表層を、p型ドーパントでプラズマドーピングする工程と、
前記プラズマドーピングされたアモルファスシリコン膜にプラズマを走査してアモルファスシリコン膜を溶融させ、かつ多結晶化させる工程と、
を有する、多結晶型シリコン太陽電池パネルの製造方法。 - p型にドーピングされたシリコンからなる蒸着材料を用いて、基板表面にアモルファスシリコン膜を蒸着法により成膜する工程と、
前記アモルファスシリコン膜の表層を、n型ドーパントでプラズマドーピングする工程と、
前記プラズマドーピングされたアモルファスシリコン膜にプラズマを走査してアモルファスシリコン膜を溶融させ、かつ多結晶化させる工程と、
を有する、多結晶型シリコン太陽電池パネルの製造方法。 - 前記基板がガラスおよび石英のいずれかを含む、請求項1または2に記載の多結晶型シリコン太陽電池パネルの製造方法。
- 前記基板が導電体である、請求項1または2に記載の製造方法。
- 前記走査するプラズマが大気圧プラズマである、請求項1または2に記載の多結晶型シリコン太陽電池パネルの製造方法。
- 前記走査する速度が、100mm/秒以上2000mm/秒以下である、請求項1または2に記載の多結晶型シリコン太陽電池パネルの製造方法。
- 請求項1〜6のいずれか一項に記載の方法により得られた多結晶型シリコン太陽電池パネル。
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US13/719,420 US20130160849A1 (en) | 2011-12-22 | 2012-12-19 | Polycrystalline silicon solar cell panel and manufacturing method thereof |
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US20160072000A1 (en) * | 2014-09-05 | 2016-03-10 | David D. Smith | Front contact heterojunction process |
TWI574425B (zh) * | 2016-05-20 | 2017-03-11 | 昱晶能源科技股份有限公司 | 太陽能電池及其製造方法 |
DE112017006152T5 (de) * | 2016-12-06 | 2019-08-22 | The Australian National University | Solarzellenherstellung |
CN107658348A (zh) * | 2017-09-20 | 2018-02-02 | 贵州大学 | 硅基微纳光伏结构及其光子制备方法 |
WO2019126245A1 (en) * | 2017-12-20 | 2019-06-27 | University Of Florida Research Foundation | Methods of forming an antireflective layer on a complex substrate and complex substrates having the antireflective layer |
CN113529022A (zh) * | 2020-04-22 | 2021-10-22 | 一道新能源科技(衢州)有限公司 | 一种太阳能电池选择性掺杂结构的制备方法及太阳能电池片 |
CN111725359B (zh) * | 2020-06-17 | 2021-11-30 | 泰州中来光电科技有限公司 | 一种钝化接触太阳能电池的制备方法 |
CN113436968B (zh) * | 2021-06-22 | 2023-05-05 | 贵州大学 | 用短脉冲激光产生的等离子体作用在硅表面制备pn层的方法 |
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