JP2015512566A - シリコン表面の銅支援反射防止エッチング - Google Patents
シリコン表面の銅支援反射防止エッチング Download PDFInfo
- Publication number
- JP2015512566A JP2015512566A JP2015501724A JP2015501724A JP2015512566A JP 2015512566 A JP2015512566 A JP 2015512566A JP 2015501724 A JP2015501724 A JP 2015501724A JP 2015501724 A JP2015501724 A JP 2015501724A JP 2015512566 A JP2015512566 A JP 2015512566A
- Authority
- JP
- Japan
- Prior art keywords
- etching
- solution
- silicon
- silicon surface
- oxidant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005530 etching Methods 0.000 title claims abstract description 282
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 213
- 239000010703 silicon Substances 0.000 title claims abstract description 213
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 212
- 239000010949 copper Substances 0.000 title claims abstract description 94
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 30
- 230000003667 anti-reflective effect Effects 0.000 title description 11
- 238000000034 method Methods 0.000 claims abstract description 148
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000002310 reflectometry Methods 0.000 claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 56
- 239000002105 nanoparticle Substances 0.000 claims abstract description 32
- 238000000151 deposition Methods 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 27
- 238000013019 agitation Methods 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 230000003197 catalytic effect Effects 0.000 claims description 31
- 229910052739 hydrogen Inorganic materials 0.000 claims description 27
- 239000007800 oxidant agent Substances 0.000 claims description 27
- 230000008021 deposition Effects 0.000 claims description 25
- 230000001590 oxidative effect Effects 0.000 claims description 19
- 238000001228 spectrum Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000000527 sonication Methods 0.000 claims description 12
- 239000002923 metal particle Substances 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 226
- 230000008569 process Effects 0.000 abstract description 36
- 239000007864 aqueous solution Substances 0.000 abstract description 12
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 6
- 230000001678 irradiating effect Effects 0.000 abstract description 3
- 235000012431 wafers Nutrition 0.000 description 74
- 229910052751 metal Inorganic materials 0.000 description 71
- 239000002184 metal Substances 0.000 description 71
- 239000003054 catalyst Substances 0.000 description 67
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 61
- 239000010931 gold Substances 0.000 description 52
- 229910052737 gold Inorganic materials 0.000 description 43
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 38
- 239000010410 layer Substances 0.000 description 35
- 238000012360 testing method Methods 0.000 description 26
- 229910052709 silver Inorganic materials 0.000 description 25
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 20
- 239000004332 silver Substances 0.000 description 20
- 241000894007 species Species 0.000 description 18
- 238000002474 experimental method Methods 0.000 description 16
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 239000002253 acid Substances 0.000 description 10
- 239000006117 anti-reflective coating Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000002086 nanomaterial Substances 0.000 description 6
- 230000005693 optoelectronics Effects 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 229910052723 transition metal Inorganic materials 0.000 description 6
- 150000003624 transition metals Chemical class 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000004626 scanning electron microscopy Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-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
- 229910021418 black silicon Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000002082 metal nanoparticle Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Substances [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- -1 15-30% H 2 O 2 Chemical compound 0.000 description 2
- 238000005231 Edge Defined Film Fed Growth Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000001055 reflectance spectroscopy Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 238000003631 wet chemical etching Methods 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000270728 Alligator Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- DKNPRRRKHAEUMW-UHFFFAOYSA-N Iodine aqueous Chemical compound [K+].I[I-]I DKNPRRRKHAEUMW-UHFFFAOYSA-N 0.000 description 1
- 229910017855 NH 4 F Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000000847 optical profilometry Methods 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02363—Special surface textures of the semiconductor body itself, e.g. textured active layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Weting (AREA)
- Photovoltaic Devices (AREA)
- ing And Chemical Polishing (AREA)
Abstract
Description
本出願は、2008年3月21日に出願された米国特許出願第12/053,445号明細書の一部継続出願である2012年3月19日に出願された米国特許出願第13/423,745号明細書の優先権及び利益を主張する。
米国政府は、米国エネルギー省と、再生可能エネルギー研究所の管理者及び運営者(Manager and Operator of National Renewable Energy Laboratory)であるアライアンス フォー サステイナブル エナジー リミテッド ライアビリティ カンパニー(Alliance for Sustainable Energy,LLC)との間の契約番号DE−AC36−08GO28308の下で本発明の権利を有する。
Claims (20)
- 反射率を低下させる為のシリコン表面のテクスチャー加工方法であって:
シリコン表面を有する基板を容器中に配置するステップであって、前記シリコン表面が複数の銅粒子を含むステップと;
前記基板の前記シリコン表面を覆う体積のエッチング溶液を前記容器に満たすステップであって、前記エッチング溶液が、エッチング剤及びケイ素酸化剤を含む酸化剤−エッチャント溶液を含むステップと;
前記容器中で前記エッチング溶液を撹拌することによって前記シリコン表面のエッチングを行うステップであって、それによって前記シリコン表面の反射率が約10パーセント未満まで低下するステップとを含む、方法。 - 前記エッチングされたシリコン表面が、約350〜約1000ナノメートルの波長範囲で約5パーセント未満の反射率を有するまで、前記エッチングが行われる、請求項1に記載の方法。
- 前記エッチング剤がHFを含み、前記ケイ素酸化剤が、H2O2、O3、CO2、K2Cr2O7、CrO3、KIO3、KBrO3、NaNO3、HNO3、及びKMnO4からなる群から選択される酸化剤である、請求項1に記載の方法。
- 前記ケイ素酸化剤がH2O2を含み、前記エッチング溶液が少なくとも約70パーセントのロー(ρ)値を有し、ρは、HFのモル濃度をHF及びH2O2のモル濃度の合計で割ったものとして定義される、請求項3に記載の方法。
- 前記酸化剤がH2O2を含み、前記エッチング剤の濃度が、前記エッチング溶液の全体積の少なくとも約10パーセントであり、前記酸化剤の濃度が少なくとも約2パーセントである、請求項3に記載の方法。
- 前記基板を配置するステップの前に、前記シリコン表面上に前記銅粒子を堆積する為の無電解析出を行うステップを更に含む、請求項1に記載の方法。
- 前記無電解析出が、3〜8ナノメートルの範囲内の前記シリコン表面上の粒子間隔を得ることを含む、請求項6に記載の方法。
- 前記シリコン表面の前記エッチング中、前記エッチング溶液が30〜50℃の範囲内の温度に加熱される、請求項1に記載の方法。
- 前記シリコン表面が、p型ドーピング又はn型ドーピングを含み、前記エッチングによって約200ナノメートルを超える深さを有する複数のトンネルが前記シリコン表面中に形成されるよう選択された長さの時間にわたって前記エッチングが行われ、前記シリコン表面が、単結晶、多結晶、又は非晶質であり、前記シリコン表面を含む太陽電池を製造するステップを更に含む、請求項1に記載の方法。
- シリコン表面の反射率を低下させる方法であって:
銅ナノ粒子を前記シリコン表面上に堆積するステップと;
前記シリコン表面を、ある体積のエッチング溶液中に配置するステップと;
前記シリコン表面がエッチングされて、10パーセント未満の値まで前記エッチングされたシリコン表面の反射率が低下するテクスチャーを有するまで、前記エッチング溶液を撹拌するステップと;
ストリッピング溶液を使用して、前記銅ナノ粒子を前記エッチングされたシリコン表面から除去するステップとを含む、方法。 - 前記エッチング溶液がHF及びH2O2を含む、請求項10に記載の方法。
- 前記エッチング溶液が少なくとも約74パーセントのロー(ρ)値を有し、ρは、HFのモル濃度をHF及びH2O2のモル濃度の合計で割ったものとして定義される、請求項11に記載の方法。
- 前記エッチング溶液がH2Oを更に含み、前記H2O中の前記HFの体積パーセント値が約10パーセントを超え、前記H2O中の前記H2O2の体積パーセント値が約2パーセントを超える、請求項11に記載の方法。
- 前記エッチング溶液が、ケイ素の酸化剤、及びフッ化水素酸を含むエッチング剤を含み、前記エッチングされたシリコン表面を含む太陽電池を製造するステップを更に含む、請求項10に記載の方法。
- 前記撹拌の少なくとも一部と同時に、前記エッチング溶液を少なくとも約30℃に加熱するステップを更に含み、前記撹拌ステップが音波処理を含む、請求項14に記載の方法。
- 前記撹拌の間、前記シリコン表面に或る量の光を照射する為に光源を操作するステップを更に含む、請求項10に記載の方法。
- シリコンウエハをテクスチャー加工する方法であって:
銅を含む触媒金属粒子を前記シリコンウエハ上に堆積するステップと;
前記シリコンウエハを容器中に配置するステップと;
或る体積の酸化剤−エッチャント溶液を前記容器中に供給するステップであって、前記酸化剤−エッチャント溶液がエッチング剤及び酸化剤を含むステップと;
前記シリコンウエハの表面をエッチングする為に前記容器中の前記酸化剤−エッチャント溶液を撹拌するステップであって、前記エッチングされた表面の太陽スペクトルで重み付けされた反射が5パーセント未満となるステップとを含む、方法。 - 前記シリコン表面上の粒子対粒子間隔の比が3〜5の範囲内、又は粒子間隔が3〜8ナノメートルの範囲内で、前記触媒金属粒子が堆積される、請求項17に記載の方法。
- 前記エッチング溶液がHF及びH2O2を含み、前記エッチング溶液が少なくとも約74パーセントのロー(ρ)値を有し、ρは、HFのモル濃度をHF及びH2O2のモル濃度の合計で割ったものとして定義される、請求項17に記載の方法。
- 前記撹拌と少なくとも部分的に同時に、前記酸化剤−エッチャント溶液を少なくとも約50℃まで加熱するステップを更に含み、前記撹拌が、少なくとも約5分間実施され、それによって、前記太陽スペクトルで重み付けされた反射が約3パーセント未満となる、請求項17に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/423,745 | 2012-03-19 | ||
US13/423,745 US8815104B2 (en) | 2008-03-21 | 2012-03-19 | Copper-assisted, anti-reflection etching of silicon surfaces |
PCT/US2013/030257 WO2013142122A1 (en) | 2012-03-19 | 2013-03-11 | Copper-assisted, anti-reflection etching of silicon surfaces |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015512566A true JP2015512566A (ja) | 2015-04-27 |
JP5866477B2 JP5866477B2 (ja) | 2016-02-17 |
Family
ID=49223188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015501724A Active JP5866477B2 (ja) | 2012-03-19 | 2013-03-11 | シリコン表面の銅支援反射防止エッチング |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP2828895B1 (ja) |
JP (1) | JP5866477B2 (ja) |
CN (1) | CN104584231A (ja) |
CA (1) | CA2866616A1 (ja) |
IN (1) | IN2014DN07580A (ja) |
WO (1) | WO2013142122A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8815104B2 (en) | 2008-03-21 | 2014-08-26 | Alliance For Sustainable Energy, Llc | Copper-assisted, anti-reflection etching of silicon surfaces |
US8828765B2 (en) | 2010-06-09 | 2014-09-09 | Alliance For Sustainable Energy, Llc | Forming high efficiency silicon solar cells using density-graded anti-reflection surfaces |
CN103283001A (zh) | 2011-03-08 | 2013-09-04 | 可持续能源联盟有限责任公司 | 蓝光响应增强的高效黑硅光伏器件 |
CA2866616A1 (en) | 2012-03-19 | 2013-09-26 | Alliance For Sustainable Energy, Llc | Copper-assisted, anti-reflection etching of silicon surfaces |
CN103746038A (zh) * | 2014-01-09 | 2014-04-23 | 上海交通大学 | 一种多孔硅模板的制备方法 |
CN105633180B (zh) * | 2016-03-23 | 2017-03-15 | 湖南大学 | 石墨烯辅助硅片湿法制绒的方法 |
CN106498502A (zh) * | 2016-12-06 | 2017-03-15 | 南京理工大学 | 一种利用金属辅助刻蚀具有木材反向结构硅表面的方法 |
CN106672974B (zh) * | 2016-12-15 | 2018-11-13 | 西南交通大学 | 一种制备硅微纳分级结构的新方法 |
CN107946386A (zh) * | 2017-12-01 | 2018-04-20 | 浙江晶科能源有限公司 | 一种黑硅电池的绒面制备方法 |
CN108133968A (zh) * | 2017-12-27 | 2018-06-08 | 南京理工大学 | 利用松木结构多孔铜辅助刻蚀锥状阵列硅表面的方法 |
TWI742821B (zh) * | 2020-08-27 | 2021-10-11 | 國立成功大學 | 抗反射結構、其製造方法、光電元件及由溶液中回收銀離子的方法 |
CN114314504A (zh) * | 2021-12-29 | 2022-04-12 | 杭州电子科技大学 | 一种磁场与机械振动结合的硅纳米结构制备方法 |
CN114291786A (zh) * | 2021-12-29 | 2022-04-08 | 杭州电子科技大学 | 一种磁场与振动结合的硅片微纳米结构制备装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003105209A1 (ja) * | 2002-06-06 | 2003-12-18 | 関西ティー・エル・オー株式会社 | 太陽電池用多結晶シリコン基板の製造方法 |
WO2006051727A1 (ja) * | 2004-11-09 | 2006-05-18 | Osaka University | 結晶基板に孔を形成する方法、及びその方法で孔が形成された結晶基板 |
JP2010245568A (ja) * | 2010-07-21 | 2010-10-28 | Mitsubishi Electric Corp | 太陽電池の製造方法 |
JP2011515858A (ja) * | 2008-03-21 | 2011-05-19 | アライアンス フォー サステイナブル エナジー リミテッド ライアビリティ カンパニー | イオン性金属溶液を用いて触媒処理されたシリコン表面の反射防止エッチング |
JP2013093537A (ja) * | 2011-10-07 | 2013-05-16 | Jet Co Ltd | 太陽電池の製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007194485A (ja) * | 2006-01-20 | 2007-08-02 | Osaka Univ | 太陽電池用シリコン基板の製造方法 |
EP2122690A4 (en) * | 2007-02-15 | 2013-08-21 | Massachusetts Inst Technology | SOLAR CELLS WITH STRUCTURED SURFACES |
KR100971658B1 (ko) * | 2008-01-03 | 2010-07-22 | 엘지전자 주식회사 | 실리콘 태양전지의 텍스처링 방법 |
US8075792B1 (en) * | 2008-03-21 | 2011-12-13 | Alliance For Sustainable Energy, Llc | Nanoparticle-based etching of silicon surfaces |
WO2011056948A2 (en) * | 2009-11-05 | 2011-05-12 | Advanced Technology Materials, Inc. | Methods of texturing surfaces for controlled reflection |
TWI472477B (zh) * | 2010-03-02 | 2015-02-11 | Univ Nat Taiwan | 矽奈米結構與其製造方法及應用 |
US8193095B2 (en) * | 2010-05-28 | 2012-06-05 | National Taiwan University | Method for forming silicon trench |
TW201200465A (en) * | 2010-06-29 | 2012-01-01 | Univ Nat Central | Nano/micro-structure and fabrication method thereof |
CN102051618A (zh) * | 2010-11-05 | 2011-05-11 | 云南师范大学 | 一种基于液相化学反应的黑硅制备方法 |
CA2866616A1 (en) | 2012-03-19 | 2013-09-26 | Alliance For Sustainable Energy, Llc | Copper-assisted, anti-reflection etching of silicon surfaces |
CN102768951A (zh) * | 2012-07-06 | 2012-11-07 | 南京大学 | 金属铜离子辅助刻蚀制备黑硅的方法 |
-
2013
- 2013-03-11 CA CA2866616A patent/CA2866616A1/en not_active Abandoned
- 2013-03-11 JP JP2015501724A patent/JP5866477B2/ja active Active
- 2013-03-11 EP EP13764428.2A patent/EP2828895B1/en active Active
- 2013-03-11 EP EP20199628.7A patent/EP3780121A1/en active Pending
- 2013-03-11 IN IN7580DEN2014 patent/IN2014DN07580A/en unknown
- 2013-03-11 WO PCT/US2013/030257 patent/WO2013142122A1/en active Application Filing
- 2013-03-11 CN CN201380021375.XA patent/CN104584231A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003105209A1 (ja) * | 2002-06-06 | 2003-12-18 | 関西ティー・エル・オー株式会社 | 太陽電池用多結晶シリコン基板の製造方法 |
WO2006051727A1 (ja) * | 2004-11-09 | 2006-05-18 | Osaka University | 結晶基板に孔を形成する方法、及びその方法で孔が形成された結晶基板 |
JP2011515858A (ja) * | 2008-03-21 | 2011-05-19 | アライアンス フォー サステイナブル エナジー リミテッド ライアビリティ カンパニー | イオン性金属溶液を用いて触媒処理されたシリコン表面の反射防止エッチング |
JP2010245568A (ja) * | 2010-07-21 | 2010-10-28 | Mitsubishi Electric Corp | 太陽電池の製造方法 |
JP2013093537A (ja) * | 2011-10-07 | 2013-05-16 | Jet Co Ltd | 太陽電池の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
IN2014DN07580A (ja) | 2015-04-24 |
CN104584231A (zh) | 2015-04-29 |
JP5866477B2 (ja) | 2016-02-17 |
EP2828895B1 (en) | 2020-10-07 |
EP2828895A4 (en) | 2015-10-28 |
EP2828895A1 (en) | 2015-01-28 |
EP3780121A1 (en) | 2021-02-17 |
CA2866616A1 (en) | 2013-09-26 |
WO2013142122A1 (en) | 2013-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5866477B2 (ja) | シリコン表面の銅支援反射防止エッチング | |
JP5763709B2 (ja) | イオン性金属溶液を用いて触媒処理されたシリコン表面の反射防止エッチング | |
US8815104B2 (en) | Copper-assisted, anti-reflection etching of silicon surfaces | |
US8075792B1 (en) | Nanoparticle-based etching of silicon surfaces | |
Toor et al. | Nanostructured silicon via metal assisted catalyzed etch (MACE): chemistry fundamentals and pattern engineering | |
Kim et al. | Texturing of large area multi-crystalline silicon wafers through different chemical approaches for solar cell fabrication | |
US9076903B2 (en) | Forming high-efficiency silicon solar cells using density-graded anti-reflection surfaces | |
KR101387715B1 (ko) | 나노 텍스쳐링 구조를 갖는 반도체 웨이퍼 기판을 포함하는벌크형 태양전지의 제조방법 | |
Putra et al. | 18.78% hierarchical black silicon solar cells achieved with the balance of light-trapping and interfacial contact | |
US9034216B2 (en) | Wet-chemical systems and methods for producing black silicon substrates | |
WO2012157179A1 (ja) | 太陽電池用ウェーハの製造方法、太陽電池セルの製造方法、および太陽電池モジュールの製造方法 | |
US20200220033A1 (en) | Metal-assisted etch combined with regularizing etch | |
WO2011099594A1 (ja) | 半導体装置の製造方法、半導体装置の製造装置、半導体装置、並びに転写用部材 | |
Dusheiko et al. | Silicon nanowire arrays synthesized using the modified MACE process: Integration into chemical sensors and solar cells | |
Zou et al. | Metal-catalyzed chemical etching using DIO3 as a hole injection agent for efficient submicron-textured multicrystalline silicon solar cells | |
Wu et al. | Structural modification of diamond-wire-cut multicrystalline Si by Cu-catalyzed chemical etching for surface structuring | |
Pu et al. | High-efficiency passivated emitter and rear cells with nano honeycomb structure | |
Liu et al. | Superior antireflection coating for a silicon cell with a micronanohybrid structure | |
Velez | The Effect of Morphology on Reflectance in Silicon Nanowires Grown by Electroless Etching | |
WO2023080863A1 (en) | Method of texturing the monocrystalline silicon wafer surface at room temperature | |
Kashyap et al. | The Effect of Dopant on Light Trapping in Random Silicon Nanowires Array | |
Mahmoudi et al. | Investigation of HF/H2O2 Concentration Effect on Structural and Antireflection Properties of Porous Silicon Prepared by Metal-Assisted Chemical Etching Process for Photovoltaic Applications | |
JP2013012705A (ja) | 太陽電池用ウェーハ、太陽電池セルおよび太陽電池モジュール | |
JP2013143531A (ja) | 太陽電池用ウェーハの製造方法、太陽電池セルの製造方法、および太陽電池モジュールの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150806 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150818 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151116 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20151208 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160104 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5866477 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |