JP2008115469A - 鉄−金のバーコードナノワイヤー及びその製造方法 - Google Patents
鉄−金のバーコードナノワイヤー及びその製造方法 Download PDFInfo
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 151
- 239000002070 nanowire Substances 0.000 title claims abstract description 108
- 239000010931 gold Substances 0.000 title claims abstract description 107
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 71
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000004070 electrodeposition Methods 0.000 claims abstract description 18
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 48
- 239000002243 precursor Substances 0.000 claims description 19
- -1 iron ions Chemical class 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910001566 austenite Inorganic materials 0.000 claims description 5
- 239000008151 electrolyte solution Substances 0.000 claims description 5
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 4
- GSMCZRMXOTVCGF-UHFFFAOYSA-N 2-bromo-1-(5-methyl-1,2-oxazol-3-yl)ethanone Chemical compound CC1=CC(C(=O)CBr)=NO1 GSMCZRMXOTVCGF-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 claims description 2
- 238000007747 plating Methods 0.000 abstract description 9
- 230000005415 magnetization Effects 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 abstract description 8
- 235000013980 iron oxide Nutrition 0.000 description 15
- NPEWZDADCAZMNF-UHFFFAOYSA-N gold iron Chemical group [Fe].[Au] NPEWZDADCAZMNF-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000009713 electroplating Methods 0.000 description 9
- 239000002086 nanomaterial Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000011160 research Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 5
- 238000013507 mapping Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 238000003917 TEM image Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004627 transmission electron microscopy Methods 0.000 description 3
- 238000001106 transmission high energy electron diffraction data Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- RGOQDFNQLUXQTE-UHFFFAOYSA-N [O-2].[Fe+2].[Au+3] Chemical compound [O-2].[Fe+2].[Au+3] RGOQDFNQLUXQTE-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 229940079593 drug Drugs 0.000 description 2
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- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000001959 radiotherapy Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- NQTSTBMCCAVWOS-UHFFFAOYSA-N 1-dimethoxyphosphoryl-3-phenoxypropan-2-one Chemical compound COP(=O)(OC)CC(=O)COC1=CC=CC=C1 NQTSTBMCCAVWOS-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
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- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 239000000090 biomarker Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 229910001325 element alloy Inorganic materials 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000000349 field-emission scanning electron micrograph Methods 0.000 description 1
- MXZVHYUSLJAVOE-UHFFFAOYSA-N gold(3+);tricyanide Chemical group [Au+3].N#[C-].N#[C-].N#[C-] MXZVHYUSLJAVOE-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004098 selected area electron diffraction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000000101 transmission high energy electron diffraction Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C25D1/00—Electroforming
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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- H—ELECTRICITY
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- H01F1/0009—Antiferromagnetic materials, i.e. materials exhibiting a Néel transition temperature
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Abstract
【解決手段】本発明の鉄−金ナノワイヤーは、磁性(Magnetic)−光学(Optical)の複合機能(Multifunctional)を有し、ナノワイヤーの磁化度の制御が容易である。本発明の鉄−金ナノワイヤーは、鉄層及び金層が交互に繰り返されて形成される多層構造を有し、パルス電気メッキ法(Pulse Electrodeposition)により1つのメッキ槽の内で形成することができる。
【選択図】図1
Description
本実施形態では、1つのメッキ槽の中で、ナノテンプレート(Nanotemplate)を使用してパルス電着法(Pulsed Electrodeposition)により鉄及び金からなる多層構造(Multilayerd structure)を有するFe−Auバーコードナノワイヤーを製造する方法を例示する。
本実施形態では、実施形態1を通じて得た鉄−金ナノワイヤーを酸化させてハイブリッド構造の(鉄、酸化鉄)−金ナノワイヤーを得る方法を説明する。
Claims (14)
- 生体適合性に優れるバーコードナノワイヤーであって、
鉄(Fe)を含む第1層及び金(Au)を含む第2層を含み、
前記第1層及び前記第2層が交互に積層されたことを特徴とするバーコードナノワイヤー。 - 前記第1層及び前記第2層は、前記ナノワイヤーの長手方向に交互に積層されたことを特徴とする請求項1記載のバーコードナノワイヤー。
- 前記第1層は、中心部に形成された鉄金属層及び前記鉄金属層を囲む酸化鉄層を含むことを特徴とする請求項1または2記載のバーコードナノワイヤー。
- 前記酸化鉄層は、FeO、Fe3O4、γ−Fe2O3、及びα−Fe2O3からなる群から選択された、少なくとも1つを含むことを特徴とする請求項3記載のバーコードナノワイヤー。
- 前記第1層は、FeO、Fe3O4、γ−Fe2O3、及びα−Fe2O3からなる群から選択された、少なくとも1つを含む酸化鉄層であることを特徴とする請求項1または2記載のバーコードナノワイヤー。
- 生体適合性に優れるバーコードナノワイヤーの形成方法であって、
細孔が形成された絶縁性のナノテンプレートを用意するステップと、
鉄イオンを生成する第1前駆体及び金イオンを生成する第2前駆体を含む電解液内に前記ナノテンプレートを配置するステップと、
前記細孔の内部に、鉄(Fe)金属層及び金(Au)金属層を交互に繰り返して形成する電着ステップと、
を含むことを特徴とするバーコードナノワイヤーの形成方法。 - 形成された前記ナノワイヤーの前記鉄金属層の全部または一部を酸化させて酸化鉄層を形成するステップを更に含むことを特徴とする請求項6記載のバーコードナノワイヤーの形成方法。
- 前記電着ステップは、第1電流を印加して鉄金属層を形成する第1ステップと、第2電流を印加して金金属層を形成する第2ステップとを含み、前記第2電流の電流密度は上記第1電流の電流密度より小さいし、希望する長さの前記ナノワイヤーが形成されるまで、前記第1ステップ及び前記第2ステップを交互に繰り返して遂行することを特徴とする 請求項6または7記載のバーコードナノワイヤーの形成方法。
- 前記第2前駆体は、前記電解液内で解離される際、金1価イオンを生成する前駆体であることを特徴とする請求項6または7記載のバーコードナノワイヤーの形成方法。
- 前記第1電流の電流密度は約10mA/cm2以上及び約50mA/cm2以下であり、前記第2電流の電流密度は約0.2mA/cm2以上及び約2mA/cm2以下であることを特徴とする請求項8記載のバーコードナノワイヤーの形成方法。
- 前記電解液は、前記前駆体として、硫酸鉄(II)七水和物(Iron(II)Sulfate Heptahydrate)、前記第2前駆体として、ジシアノ金(I)酸カリウム(Potassium dicyanoaurate(I))を含むことを特徴とする請求項6または7記載のバーコードナノワイヤーの形成方法。
- 前記第1及び第2前駆体は、鉄イオン対金イオンのモル濃度の比が4:1乃至40:1の範囲になるように添加されたことを特徴とする請求項6または7記載のバーコードナノワイヤーの形成方法。
- 前記酸化鉄層の形成は、酸素雰囲気下の熱処理工程により遂行されることを特徴とする請求項7記載のバーコードナノワイヤーの形成方法。
- 前記酸化鉄層は、FeO、Fe3O4、γ−Fe2O3及びα−Fe2O3からなる群から選択された、少なくとも1つを含むことを特徴とする請求項13記載のバーコードナノワイヤーの形成方法。
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