JP2013544432A - シリコンナノ粒子を有する太陽電池の製造 - Google Patents
シリコンナノ粒子を有する太陽電池の製造 Download PDFInfo
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- 239000005543 nano-size silicon particle Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 238000009792 diffusion process Methods 0.000 claims abstract description 48
- 239000002105 nanoparticle Substances 0.000 claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000007639 printing Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000000080 wetting agent Substances 0.000 claims abstract description 14
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 10
- 238000007641 inkjet printing Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 19
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 6
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 2
- 239000011368 organic material Substances 0.000 abstract description 2
- 239000002019 doping agent Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 238000005245 sintering Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013145 classification model Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
【選択図】図1
Description
本出願は、2010年9月13日に出願された米国特許仮出願第61/382,384号、表題「Fabrication of Solar Cells with Silicon Nano−Particles」の利益を主張する。
本明細書において記載される発明は、米国エネルギー省により付与された契約番号DE−FC36−07GO17043号に基づく、国政府の支援によりなされたものである。政府は、本発明において一定の権利を有し得る。
Claims (20)
- 太陽電池構造体の製造方法であって、
太陽電池基板上に薄い誘電体層を形成する工程と、
P型にドーピングされたシリコンナノ粒子を前記薄い誘電体層の上に印刷することによって、前記太陽電池構造体の複数の第1拡散領域を形成する工程と、
N型にドーピングされたシリコンナノ粒子を前記薄い誘電体層の上に印刷することによって、前記太陽電池構造体の複数の第2拡散領域を形成する工程と、
前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子の融点を下回る第1温度で、前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子を加熱することによって、前記薄い誘電体層の上に連続したナノ粒子膜を形成する工程と
を備える太陽電池構造体の製造方法。 - 前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子を前記第1温度で加熱する前に、前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子を、前記第1温度を下回る第2温度で加熱することによって、前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子から有機物を除去する工程を更に備える、請求項1に記載の太陽電池構造体の製造方法。
- 前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子は、炉内を所定の速度で動かされつつ、前記第2温度で加熱される、請求項2に記載の太陽電池構造体の製造方法。
- 前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子が、インクジェット印刷によって印刷される、請求項1に記載の太陽電池構造体の製造方法。
- 前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子が、インクジェット印刷ヘッドの同じパスでインクジェット印刷することによって印刷される、請求項1に記載の太陽電池構造体の製造方法。
- 前記太陽電池基板が単結晶シリコン基板を含む、請求項1に記載の太陽電池構造体の製造方法。
- 前記薄い誘電体層は、前記シリコン基板の表面に熱成長させた二酸化シリコンを含む、請求項6に記載の太陽電池構造体の製造方法。
- 前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子を印刷する前に、前記薄い誘電体層上に湿潤剤を形成する工程を更に備える、請求項1に記載の太陽電池構造体の製造方法。
- 前記湿潤剤が非晶質シリコンを含む、請求項8に記載の太陽電池構造体の製造方法。
- 前記N型にドーピングされたシリコンナノ粒子及びP型にドーピングされたシリコンナノ粒子の粒子サイズは、10ナノメートル未満である、請求項1に記載の太陽電池構造体の製造方法。
- 請求項1の製造方法により製造される太陽電池構造体。
- 太陽電池構造体の製造方法であって、
シリコン基板の表面に二酸化シリコンを成長させる工程と、
前記二酸化シリコンの上にシリコンナノ粒子を印刷することによって、前記太陽電池構造体の拡散領域を形成する工程と、
前記シリコンナノ粒子を第1温度で加熱することによって、前記シリコンナノ粒子から有機物を除去する工程と、
前記第1温度よりも高く、かつ、前記シリコンナノ粒子の融点を下回る第2温度で前記シリコンナノ粒子を加熱することによって、前記二酸化シリコンの上に連続したナノ粒子膜を形成する工程と
を備える太陽電池構造体の製造方法。 - 前記シリコンナノ粒子が、インクジェット印刷ヘッドの同じパスでインクジェット印刷することによって印刷される、請求項12に記載の太陽電池構造体の製造方法。
- 前記シリコンナノ粒子を印刷する前に、前記二酸化シリコン上に湿潤剤を形成する工程を更に備える、請求項12に記載の太陽電池構造体の製造方法。
- 前記湿潤剤が非晶質シリコンを含む、請求項14に記載の太陽電池構造体の製造方法。
- 前記シリコンナノ粒子の粒子サイズが、10ナノメートル未満である、請求項12に記載の太陽電池構造体の製造方法。
- 請求項12に記載の製造方法により製造される太陽電池構造体。
- 太陽電池構造体の製造方法であって、
太陽電池基板上に薄い誘電体を形成する工程と、
前記薄い誘電体の上にシリコンナノ粒子を形成することによって、前記太陽電池構造体の拡散領域を形成する工程と、
前記シリコンナノ粒子の融点を下回る温度で、前記シリコンナノ粒子を加熱する工程と
を備える太陽電池構造体の製造方法。 - 前記薄い誘電体と前記拡散領域との間に、湿潤剤を形成する工程を更に備える、請求項18に記載の太陽電池構造体の製造方法。
- 請求項18に記載の製造方法により製造される太陽電池構造体。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US38238410P | 2010-09-13 | 2010-09-13 | |
US61/382,384 | 2010-09-13 | ||
US12/940,821 US20120060904A1 (en) | 2010-09-13 | 2010-11-05 | Fabrication Of Solar Cells With Silicon Nano-Particles |
US12/940,821 | 2010-11-05 | ||
PCT/US2011/039569 WO2012036769A1 (en) | 2010-09-13 | 2011-06-08 | Fabrication of solar cells with silicon nano-particles |
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US (1) | US20120060904A1 (ja) |
EP (1) | EP2617062A4 (ja) |
JP (1) | JP2013544432A (ja) |
KR (1) | KR20140009909A (ja) |
CN (1) | CN103026507A (ja) |
AU (1) | AU2011302584B2 (ja) |
WO (1) | WO2012036769A1 (ja) |
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US20140130854A1 (en) * | 2012-11-12 | 2014-05-15 | Samsung Sdi Co., Ltd. | Photoelectric device and the manufacturing method thereof |
US20140166094A1 (en) * | 2012-12-18 | 2014-06-19 | Paul Loscutoff | Solar cell emitter region fabrication using etch resistant film |
US8785233B2 (en) * | 2012-12-19 | 2014-07-22 | Sunpower Corporation | Solar cell emitter region fabrication using silicon nano-particles |
KR102045001B1 (ko) * | 2013-06-05 | 2019-12-02 | 엘지전자 주식회사 | 태양 전지 및 이의 제조 방법 |
US9401450B2 (en) * | 2013-12-09 | 2016-07-26 | Sunpower Corporation | Solar cell emitter region fabrication using ion implantation |
US9337369B2 (en) * | 2014-03-28 | 2016-05-10 | Sunpower Corporation | Solar cells with tunnel dielectrics |
US9559236B2 (en) * | 2014-09-24 | 2017-01-31 | Sunpower Corporation | Solar cell fabricated by simplified deposition process |
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EP2617062A4 (en) | 2014-03-12 |
EP2617062A1 (en) | 2013-07-24 |
WO2012036769A1 (en) | 2012-03-22 |
KR20140009909A (ko) | 2014-01-23 |
AU2011302584B2 (en) | 2015-10-08 |
AU2011302584A1 (en) | 2013-01-10 |
US20120060904A1 (en) | 2012-03-15 |
CN103026507A (zh) | 2013-04-03 |
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