JP6060652B2 - 太陽電池及びその製造方法 - Google Patents
太陽電池及びその製造方法 Download PDFInfo
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- JP6060652B2 JP6060652B2 JP2012259941A JP2012259941A JP6060652B2 JP 6060652 B2 JP6060652 B2 JP 6060652B2 JP 2012259941 A JP2012259941 A JP 2012259941A JP 2012259941 A JP2012259941 A JP 2012259941A JP 6060652 B2 JP6060652 B2 JP 6060652B2
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- 238000004519 manufacturing process Methods 0.000 title description 18
- 239000004065 semiconductor Substances 0.000 claims description 78
- 239000000758 substrate Substances 0.000 claims description 75
- 230000031700 light absorption Effects 0.000 claims description 28
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 description 20
- 239000010408 film Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 17
- 239000011347 resin Substances 0.000 description 15
- 229920005989 resin Polymers 0.000 description 15
- 238000010521 absorption reaction Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 239000002070 nanowire Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 2
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- -1 and for example Inorganic materials 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- QBJCZLXULXFYCK-UHFFFAOYSA-N magnesium;cyclopenta-1,3-diene Chemical compound [Mg+2].C1C=CC=[C-]1.C1C=CC=[C-]1 QBJCZLXULXFYCK-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000002105 nanoparticle Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- 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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Description
また、実施形態の他の観点によれば、p型の半導体基板と、前記半導体基板上に形成されたp型GaN層と、前記p型GaN層上に形成されたInGaN光吸収層と、前記InGaN光吸収層上に形成されたn型GaN層とを有する柱状構造体と、前記半導体基板と前記p型GaN層との間に形成され、金属的伝導性を有するp型GaP層のp型半導体層とを有することを特徴とする太陽電池が提供される。
第1実施形態による太陽電池及びその製造方法について図1乃至図4を用いて説明する。
d=λ/n=400/3.2=125(nm)
となる。
第2実施形態による太陽電池及びその製造方法について図5乃至図7を用いて説明する。図1乃至図4に示す第1実施形態による太陽電池及びその製造方法と同様の構成要素には同一の符号を付し説明を省略し又は簡潔にする。
上記実施形態に限らず種々の変形が可能である。
12…絶縁膜
14…開口部
30…柱状構造体
32…p型半導体層
34…p型GaN層
36…i型InGaN層
38…n型GaN層
40…樹脂層
42…透明電極
44…金属グリッド電極
46…n側電極
48…p側電極
100…サファイア基板
102…n型GaN層
104…i型InGaN層
106…p型GaN層
108…n側電極
110…p側電極
Claims (8)
- p型の半導体基板と、
前記半導体基板上に形成されたp型GaN層と、前記p型GaN層上に形成されたInGaN光吸収層と、前記InGaN光吸収層上に形成されたn型GaN層とを有する柱状構造体と、
前記半導体基板と前記p型GaN層との間に形成され、金属的伝導性を有するp型GaAs層又はp型Si層のp型半導体層と
を有することを特徴とする太陽電池。 - p型の半導体基板と、
前記半導体基板上に形成されたp型GaN層と、前記p型GaN層上に形成されたInGaN光吸収層と、前記InGaN光吸収層上に形成されたn型GaN層とを有する柱状構造体と、
前記半導体基板と前記p型GaN層との間に形成され、金属的伝導性を有するp型GaP層のp型半導体層と
を有することを特徴とする太陽電池。 - 請求項1又は2記載の太陽電池において、
前記p型GaN層、前記InGaN光吸収層及び前記n型GaN層は、(0001)方向に配向している
ことを特徴とする太陽電池。 - 請求項1記載の太陽電池において、
前記半導体基板は、GaAs(111)基板である
ことを特徴とする太陽電池。 - 請求項2記載の太陽電池において、
前記半導体基板は、SiC(111)基板である
ことを特徴とする太陽電池。 - 請求項1乃至5のいずれか1項に記載の太陽電池において、
前記柱状構造体の直径は、125nm〜400nmである
ことを特徴とする太陽電池。 - 請求項1乃至6のいずれか1項に記載の太陽電池において、
前記半導体基板に接続されたp側電極と、
前記n型GaN層に接続されたn側電極と
を更に有することを特徴とする太陽電池。 - p型の半導体基板上に、開口部を有するマスク膜を形成する工程と、
前記マスク膜をマスクとして、前記開口部内の前記半導体基板上に、p型GaN層と、InGaN光吸収層と、n型GaN層とを(0001)方向に配向して順次成長し、前記p型GaN層、前記InGaN光吸収層及び前記n型GaN層の積層構造を有する柱状構造体を形成する工程と
を有することを特徴とする太陽電池の製造方法。
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JP2014107441A JP2014107441A (ja) | 2014-06-09 |
JP6060652B2 true JP6060652B2 (ja) | 2017-01-18 |
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Cited By (5)
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US10502435B2 (en) | 2013-09-06 | 2019-12-10 | Zinniatek Limited | Solar thermal roofing system |
US10858839B2 (en) | 2011-11-30 | 2020-12-08 | Zinniatek Limited | Roofing, cladding or siding product, its manufacture and its use as part of a solar energy recovery system |
US11011912B2 (en) | 2011-11-30 | 2021-05-18 | Zinniatek Limited | Photovoltaic systems |
US11408613B2 (en) | 2014-03-07 | 2022-08-09 | Zinniatek Limited | Solar thermal roofing system |
US11970858B2 (en) | 2017-02-21 | 2024-04-30 | Zinniatek Limited | Substrate having decorated surface and method of production |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP3332127B2 (ja) * | 1995-03-20 | 2002-10-07 | 株式会社東芝 | 半導体素子 |
JP3955367B2 (ja) * | 1997-09-30 | 2007-08-08 | フィリップス ルミレッズ ライティング カンパニー リミテッド ライアビリティ カンパニー | 光半導体素子およびその製造方法 |
JP2000277440A (ja) * | 1999-03-25 | 2000-10-06 | Nec Corp | 窒化物系iii−v族化合物半導体結晶膜、窒化物系iii−v族化合物半導体結晶膜をもちいた半導体装置及び窒化物系iii−v族化合物半導体結晶膜をもちいた半導体レーザ |
JP3702700B2 (ja) * | 1999-03-31 | 2005-10-05 | 豊田合成株式会社 | Iii族窒化物系化合物半導体素子及びその製造方法 |
JP4104305B2 (ja) * | 2001-08-07 | 2008-06-18 | 三洋電機株式会社 | 窒化物系半導体チップおよび窒化物系半導体基板 |
JP4118061B2 (ja) * | 2002-02-07 | 2008-07-16 | 三洋電機株式会社 | 半導体の形成方法および半導体素子 |
JP2003318434A (ja) * | 2002-04-25 | 2003-11-07 | Nichia Chem Ind Ltd | 窒化物半導体受光素子とその製造方法 |
US20060207647A1 (en) * | 2005-03-16 | 2006-09-21 | General Electric Company | High efficiency inorganic nanorod-enhanced photovoltaic devices |
US8344241B1 (en) * | 2005-08-22 | 2013-01-01 | Q1 Nanosystems Corporation | Nanostructure and photovoltaic cell implementing same |
US7629532B2 (en) * | 2006-12-29 | 2009-12-08 | Sundiode, Inc. | Solar cell having active region with nanostructures having energy wells |
US8183566B2 (en) * | 2007-03-01 | 2012-05-22 | Hewlett-Packard Development Company, L.P. | Hetero-crystalline semiconductor device and method of making same |
EP2333847B1 (en) * | 2008-09-01 | 2018-02-14 | Sophia School Corporation | Semiconductor optical element array and manufacturing method therefore |
US20110115041A1 (en) * | 2009-11-19 | 2011-05-19 | Zena Technologies, Inc. | Nanowire core-shell light pipes |
US20100148221A1 (en) * | 2008-11-13 | 2010-06-17 | Zena Technologies, Inc. | Vertical photogate (vpg) pixel structure with nanowires |
JP2012188294A (ja) * | 2011-03-08 | 2012-10-04 | Tohoku Univ | 半導体装置の製造方法 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10858839B2 (en) | 2011-11-30 | 2020-12-08 | Zinniatek Limited | Roofing, cladding or siding product, its manufacture and its use as part of a solar energy recovery system |
US11011912B2 (en) | 2011-11-30 | 2021-05-18 | Zinniatek Limited | Photovoltaic systems |
US10502435B2 (en) | 2013-09-06 | 2019-12-10 | Zinniatek Limited | Solar thermal roofing system |
US11408613B2 (en) | 2014-03-07 | 2022-08-09 | Zinniatek Limited | Solar thermal roofing system |
US11970858B2 (en) | 2017-02-21 | 2024-04-30 | Zinniatek Limited | Substrate having decorated surface and method of production |
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