JP2014519723A - ポリシリコンエミッタ太陽電池のためのパターン化ドーピング - Google Patents
ポリシリコンエミッタ太陽電池のためのパターン化ドーピング Download PDFInfo
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 71
- 229920005591 polysilicon Polymers 0.000 title claims abstract description 71
- 239000002019 doping agent Substances 0.000 claims abstract description 49
- 150000002500 ions Chemical class 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 claims abstract description 30
- 238000002513 implantation Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims description 36
- 238000010884 ion-beam technique Methods 0.000 claims description 13
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 7
- 229910021478 group 5 element Inorganic materials 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 238000005468 ion implantation Methods 0.000 description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 8
- 229910052796 boron Inorganic materials 0.000 description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229910052698 phosphorus Inorganic materials 0.000 description 7
- 239000011574 phosphorus Substances 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- -1 group III Chemical class 0.000 description 6
- 101100207343 Antirrhinum majus 1e20 gene Proteins 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 239000006117 anti-reflective coating Substances 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009279 wet oxidation reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- 238000003631 wet chemical etching Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0256—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
- H01L31/0264—Inorganic materials
- H01L31/028—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table
- H01L31/0288—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table characterised by the doping material
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- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022441—Electrode arrangements specially adapted for back-contact solar cells
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- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
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Abstract
Description
Claims (9)
- 第1表面及び第2表面を具える基板を用いた太陽電池の製造方法であって、
前記基板の前記第2表面上にトンネル酸化物層を形成するステップと、
前記トンネル酸化物層の上に、第1ドーパントを有するポリシリコン層を形成するステップを有し、該ポリシリコン層が第1導電型であり、さらに、
前記ポリシリコン層とイオンビームとの間にマスクを設けて、前記ポリシリコン層の領域を前記イオンビームから保護するステップと、
前記ポリシリコン層の領域に第2ドーパントのイオンを注入するステップを有し、当該第2ドーパントは前記第1導電型とは反対の第2導電型であり、前記イオンの注入量は、前記第1導電型の領域を前記第2導電型に変えるのに十分な量であり、これによって、前記第1導電型を有する第1注入領域と、当該第1注入領域とは反対の導電型を有する第2注入領域とを形成する、太陽電池の製造方法。 - 前記ポリシリコン層が、シランを含むガスの蒸着と、ジボラン、ホスフィン及びアルシンからなる群から選択されるドーパントガスとによって形成される、請求項1に記載の製造方法。
- 前記ドーパントガスがジボランを含み、前記第2ドーパントがV族元素を含む、請求項2に記載の製造方法。
- 前記ドーパントガスがホスフィン又はアルシンを含み、前記第2ドーパントがIII族元素を含む、請求項2の記載の製造方法。
- 前記基板を前記注入後に熱処理するステップをさらに含み、当該熱処理が500℃〜600℃の温度にて行われる、請求項1に記載の製造方法。
- 前記第1注入領域と前記第2注入領域との間に、当該第1注入領域と前記第2注入領域とが互いに接触するのを防止すべく、トレンチを設けるステップをさらに含む、請求項1に記載の製造方法。
- 第1表面及び第2表面を具える基板を用いた太陽電池の製造方法であって、
前記基板の前記第2表面上にトンネル酸化物層を形成するステップと、
前記トンネル酸化物層の上にポリシリコン層を形成するステップと、
第1導電型を有する第1ドーパントイオンを、前記ポリシリコン層に注入するステップと、
前記ポリシリコン層とイオンビームとの間にマスクを設けて、前記ポリシリコン層の領域を前記イオンビームから保護するステップと、
前記ポリシリコン層の領域に第2ドーパントのイオンを注入するステップを有し、当該第2ドーパントは前記第1導電型とは反対の第2導電型であり、前記イオンの注入量は、前記第1導電型の領域を前記第2導電型に変えるのに十分な量であり、これによって、前記第1導電型を有する第1注入領域と、当該第1注入領域とは反対の導電型を有する第2注入領域とを形成する、太陽電池の製造方法。 - 前記第1注入領域と前記第2注入領域との間に、当該第1注入領域と前記第2注入領域とが互いに接触するのを防止すべく、トレンチを設けるステップをさらに含む、請求項7に記載の製造方法。
- 第1表面及び第2表面を具える基板を用いた太陽電池の製造方法であって、
前記基板の前記第2表面上にトンネル酸化物層を成形するステップと、
前記トンネル酸化物層の上にポリシリコン層を形成するステップと、
前記ポリシリコン層の領域をイオンビームからブロックするよう、当該ポリシリコン層と前記イオンビームとの間に第1マスクを設けるステップと、
第1導電型を有する前記第1ドーパントのイオンを前記ポリシリコン層に注入して、第1注入領域を生成するステップと、
前記ポリシリコン層の領域をイオンビームからブロックするよう、当該ポリシリコン層と前記イオンビームとの間に第2マスクを設けるステップと、
前記ポリシリコン層の領域に第2ドーパントのイオンを注入するステップと、
を有し、前記第2ドーパントが前記第1導電型とは反対の第2導電型であり、これによって、前記第1注入領域とは反対の導電性を有する第2注入領域が形成され、前記第1注入領域と前記第2注入領域とを接触させないように、前記第1マスク及び前記第2マスクを同一直線上に配置する製造方法。
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US13/160,721 US8658458B2 (en) | 2011-06-15 | 2011-06-15 | Patterned doping for polysilicon emitter solar cells |
US13/160,721 | 2011-06-15 | ||
PCT/US2012/042736 WO2012174421A2 (en) | 2011-06-15 | 2012-06-15 | Patterned doping for polysilicon emitter solar cells |
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Cited By (7)
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JP2016046525A (ja) * | 2014-08-20 | 2016-04-04 | エルジー エレクトロニクス インコーポレイティド | 太陽電池及びその製造方法 |
JP2017005253A (ja) * | 2015-06-10 | 2017-01-05 | エルジー エレクトロニクス インコーポレイティド | 太陽電池の製造方法 |
JP2017517147A (ja) * | 2014-05-30 | 2017-06-22 | サンパワー コーポレイション | 太陽電池内の相対的ドーパント濃度レベル |
US9887314B2 (en) | 2015-06-10 | 2018-02-06 | Lg Electronics Inc. | Method of manufacturing solar cell |
JP2018046177A (ja) * | 2016-09-15 | 2018-03-22 | 株式会社アルバック | 太陽電池の製造方法 |
JP2019110185A (ja) * | 2017-12-18 | 2019-07-04 | 株式会社アルバック | 太陽電池の製造方法 |
JP2023017839A (ja) * | 2016-12-06 | 2023-02-07 | ジ オーストラリアン ナショナル ユニバーシティ | 太陽電池の製造 |
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US9640676B2 (en) * | 2012-06-29 | 2017-05-02 | Sunpower Corporation | Methods and structures for improving the structural integrity of solar cells |
US9530923B2 (en) * | 2012-12-21 | 2016-12-27 | Sunpower Corporation | Ion implantation of dopants for forming spatially located diffusion regions of solar cells |
US9847438B2 (en) * | 2013-03-15 | 2017-12-19 | Sunpower Corporation | Reduced contact resistance and improved lifetime of solar cells |
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Also Published As
Publication number | Publication date |
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JP2015111716A (ja) | 2015-06-18 |
US8658458B2 (en) | 2014-02-25 |
TWI474494B (zh) | 2015-02-21 |
KR20150023071A (ko) | 2015-03-04 |
TW201251083A (en) | 2012-12-16 |
US20120322199A1 (en) | 2012-12-20 |
CN103608930A (zh) | 2014-02-26 |
WO2012174421A3 (en) | 2013-02-07 |
WO2012174421A2 (en) | 2012-12-20 |
KR20140040216A (ko) | 2014-04-02 |
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