JP5927028B2 - 光電変換装置 - Google Patents
光電変換装置 Download PDFInfo
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- JP5927028B2 JP5927028B2 JP2012108274A JP2012108274A JP5927028B2 JP 5927028 B2 JP5927028 B2 JP 5927028B2 JP 2012108274 A JP2012108274 A JP 2012108274A JP 2012108274 A JP2012108274 A JP 2012108274A JP 5927028 B2 JP5927028 B2 JP 5927028B2
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- Prior art keywords
- silicon
- region
- semiconductor region
- single crystal
- silicon semiconductor
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- 238000006243 chemical reaction Methods 0.000 title claims description 43
- 239000004065 semiconductor Substances 0.000 claims description 143
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 122
- 229910052710 silicon Inorganic materials 0.000 claims description 122
- 239000010703 silicon Substances 0.000 claims description 122
- 239000000758 substrate Substances 0.000 claims description 85
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 72
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 51
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 39
- 239000013078 crystal Substances 0.000 claims description 16
- 229910021424 microcrystalline silicon Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 description 25
- 239000012535 impurity Substances 0.000 description 23
- 239000010410 layer Substances 0.000 description 22
- 230000015572 biosynthetic process Effects 0.000 description 19
- 238000005530 etching Methods 0.000 description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 14
- 230000007547 defect Effects 0.000 description 11
- 239000002253 acid Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000009751 slip forming Methods 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000012670 alkaline solution Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 229910001887 tin oxide Inorganic materials 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 150000001242 acetic acid derivatives Chemical class 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 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
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- Y02E10/547—Monocrystalline silicon PV cells
Landscapes
- Photovoltaic Devices (AREA)
Description
110 第1のシリコン半導体領域
120 第2のシリコン半導体領域
130 第3のシリコン半導体領域
131 結晶シリコン領域
132 非晶質シリコン領域
140 第4のシリコン半導体領域
160 透光性導電膜
170 第1の電極
190 第2の電極
Claims (5)
- 一導電型を有する単結晶シリコン基板と、
前記単結晶シリコン基板の一方の面上に接して形成された、第1の結晶シリコン領域及び第1の非晶質シリコン領域を含む第1のシリコン半導体領域と、
前記第1のシリコン半導体領域上に形成された第2のシリコン半導体領域と、
前記単結晶シリコン基板の他方の面上に接して形成された、第2の結晶シリコン領域及び第2の非晶質シリコン領域を含む第3のシリコン半導体領域と、
前記第3のシリコン半導体領域上に形成された第4のシリコン半導体領域と、
前記第4のシリコン半導体領域上に形成された透光性導電膜と、を一対の電極間に有し、
前記第2のシリコン半導体領域は、前記単結晶シリコン基板と同じ導電型を有し、
前記第2のシリコン半導体領域は、前記単結晶シリコン基板よりもキャリア密度が高く、
前記第4のシリコン半導体領域は、前記単結晶シリコン基板とは逆の導電型を有し、
断面TEMによる観察において、前記単結晶シリコン基板と前記第1のシリコン半導体領域との間に明瞭な界面が観察されない領域を有し、
断面TEMによる観察において、前記単結晶シリコン基板と前記第3のシリコン半導体領域との間に明瞭な界面が観察されない領域を有し、
断面TEMによる観察において、前記第1の結晶シリコン領域と前記第1の非晶質シリコン領域との間に明瞭な界面が観察されない領域を有し、
断面TEMによる観察において、前記第2の結晶シリコン領域と前記第2の非晶質シリコン領域との間に明瞭な界面が観察されない領域を有することを特徴とする光電変換装置。 - 請求項1において、
前記第1の結晶シリコン領域及び前記第2の結晶シリコン領域は、前記単結晶シリコン基板の原子配列を受け継いだ結晶シリコンを含むことを特徴とする光電変換装置。 - 請求項1または2において、
前記第1のシリコン半導体領域、及び前記第3のシリコン半導体領域は、i型であることを特徴とする光電変換装置。 - 請求項1乃至3のいずれか一において、
前記第2のシリコン半導体領域は、非晶質シリコンまたは微結晶シリコンを含むことを特徴とする光電変換装置。 - 請求項1乃至4のいずれか一において、
前記第4のシリコン半導体領域は、非晶質シリコンまたは微結晶シリコンを含むことを特徴とする光電変換装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012108274A JP5927028B2 (ja) | 2011-05-11 | 2012-05-10 | 光電変換装置 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011105898 | 2011-05-11 | ||
JP2011105898 | 2011-05-11 | ||
JP2012108274A JP5927028B2 (ja) | 2011-05-11 | 2012-05-10 | 光電変換装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012253335A JP2012253335A (ja) | 2012-12-20 |
JP2012253335A5 JP2012253335A5 (ja) | 2015-05-28 |
JP5927028B2 true JP5927028B2 (ja) | 2016-05-25 |
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Application Number | Title | Priority Date | Filing Date |
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JP2012108274A Expired - Fee Related JP5927028B2 (ja) | 2011-05-11 | 2012-05-10 | 光電変換装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5927028B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5640948B2 (ja) * | 2011-10-18 | 2014-12-17 | 三菱電機株式会社 | 太陽電池 |
JP6112942B2 (ja) * | 2013-04-03 | 2017-04-12 | 三菱電機株式会社 | 太陽電池の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3203078B2 (ja) * | 1992-12-09 | 2001-08-27 | 三洋電機株式会社 | 光起電力素子 |
JP3197673B2 (ja) * | 1993-04-06 | 2001-08-13 | 三洋電機株式会社 | 光起電力装置 |
JP3469729B2 (ja) * | 1996-10-31 | 2003-11-25 | 三洋電機株式会社 | 太陽電池素子 |
JP4660561B2 (ja) * | 2007-03-19 | 2011-03-30 | 三洋電機株式会社 | 光起電力装置 |
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2012
- 2012-05-10 JP JP2012108274A patent/JP5927028B2/ja not_active Expired - Fee Related
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JP2012253335A (ja) | 2012-12-20 |
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