JP7381486B2 - 傾斜半導体メタマテリアルによる反射および回折の制御 - Google Patents
傾斜半導体メタマテリアルによる反射および回折の制御 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 20
- 239000002061 nanopillar Substances 0.000 claims description 106
- 238000010521 absorption reaction Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 37
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- 230000031700 light absorption Effects 0.000 claims description 11
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 4
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- 239000011253 protective coating Substances 0.000 claims description 3
- PDYNJNLVKADULO-UHFFFAOYSA-N tellanylidenebismuth Chemical compound [Bi]=[Te] PDYNJNLVKADULO-UHFFFAOYSA-N 0.000 claims description 3
- 238000002329 infrared spectrum Methods 0.000 claims 6
- 229910002899 Bi2Te3 Inorganic materials 0.000 claims 4
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- 229910002601 GaN Inorganic materials 0.000 claims 2
- 229910000673 Indium arsenide Inorganic materials 0.000 claims 2
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 claims 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
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- 229910006585 β-FeSi Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 208000013715 atelosteogenesis type I Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
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- 238000010894 electron beam technology Methods 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000001020 plasma etching Methods 0.000 description 1
- -1 polydimethylsiloxane Polymers 0.000 description 1
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/003—Light absorbing elements
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- 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
- H01L31/0248—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
- H01L31/0352—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 their shape or by the shapes, relative sizes or disposition of the semiconductor regions
- H01L31/035209—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 their shape or by the shapes, relative sizes or disposition of the semiconductor regions comprising a quantum structures
- H01L31/035227—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 their shape or by the shapes, relative sizes or disposition of the semiconductor regions comprising a quantum structures the quantum structure being quantum wires, or nanorods
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
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- G—PHYSICS
- G02—OPTICS
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- G02B5/00—Optical elements other than lenses
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- G02B2207/101—Nanooptics
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0657—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape of the body
- H01L29/0665—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape of the body the shape of the body defining a nanostructure
- H01L29/0669—Nanowires or nanotubes
- H01L29/0676—Nanowires or nanotubes oriented perpendicular or at an angle to a substrate
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Description
Claims (17)
- 特定の波長帯において素子上に入射する放射光を吸収する吸収素子であって、
表面であって、当該表面に対して垂直な法線を定める、表面と、
前記表面に対して法線方向以外の角度配向で前記表面から延出する複数の離間されたナノピラーのアレイであって、前記ナノピラーが、前記放射光を吸収する前記波長帯に関係する断面直径および長さを有する、ナノピラーのアレイと、
を備え、
前記ナノピラーの全てが、前記表面から直接的に且つ前記表面に対して同一の角度配向となる角度を有することにより、前記ナノピラーが前記法線方向を向く場合と比べて、前記ナノピラーが向けられ前記放射光が入射する一方の方向では、放射光の吸収を増加させると共に、前記法線方向に関し前記一方の方向の反対方向では、放射光の吸収を低減させ、
前記ナノピラーが円錐形状であり、各前記ナノピラーの断面直径が、当該ナノピラーの一端から、当該ナノピラーの逆側の一端まで一貫しない、吸収素子。 - 請求項1記載の素子において、前記ナノピラーの角度配向が、前記法線方向に対して1°と、前記表面の見通し角との間である、素子。
- 請求項2記載の素子において、前記ナノピラーの角度配向が、前記法線方向に対して45°である、素子。
- 請求項1記載の素子において、各ナノピラーの最も広い直径が前記表面上であり、各ナノピラーの最も狭い直径が、前記表面とは逆側である、素子。
- 請求項1記載の素子において、前記ナノピラーのアレイが半導体材料で作られる、素子。
- 請求項5記載の素子において、前記ナノピラーのアレイが、a-Si、GaAs、GaN、InAs、InP、GaP、InSb、Bi2Te3、CdTe、CZTSSe、CIGSペロフスカイト、またはBiTeで作られる、素子。
- 請求項5記載の素子において、前記ナノピラーのアレイが、
可視スペクトルにおいて光放射を吸収するためにInPで作られるか、
可視光および近赤外線スペクトルにおいて光放射を吸収するためにSiで作られるか、
中間波赤外線スペクトルにおいて光放射を吸収するためにInSbで作られるか、または
長波赤外線スペクトルにおいて光放射を吸収するためにBi2Te3で作られるか、
の何れである、素子。 - 請求項1記載の素子において、前記ナノピラーの長さおよび直径が、前記波長帯に基づいて選択される、素子。
- 請求項8記載の素子において、前記ナノピラーが直接遷移材料で作られ、前記ナノピラーの長さが、前記波長帯の中心を前記ピラー材料の屈折率の実部で除算した値の少なくとも2倍であり、前記ナノピラーの直径が、前記波長帯を前記ピラー材料の屈折率の実部で除算したものに等しい、素子。
- 請求項1記載の素子において、前記ナノピラーのアレイが、保護コーティング内にカプセル化される、素子。
- 特定の波長帯において、素子に入射する放射光を吸収する光吸収素子であって、
表面であって、当該表面に対して垂直な法線を定める、表面と、
法線方向以外の角度配向で前記表面から延出すると共に、前記特定の波長帯において前記放射光を吸収するように構成される、複数の離間された円錐形状半導体ナノピラーのアレイであって、
前記ナノピラーが前記放射光を吸収する前記波長帯に関係するサイズを有する、ナノピラーのアレイと、
を備え、前記ナノピラーの全てが、前記表面から直接的に且つ前記表面に対して同一の角度配向となる角度を有することにより、前記ナノピラーが前記法線方向を向く場合と比べて、前記ナノピラーが向けられ前記放射光が入射する一方の方向では、放射光の吸収を増加させると共に、前記法線方向に関し前記一方の方向の反対方向では、放射光の吸収を低減させる、光吸収素子。 - 請求項11記載の素子において、各ナノピラーの最も広い直径が前記表面上であり、各ナノピラーの最も狭い直径が、前記表面とは逆側である、素子。
- 請求項11記載の素子において、前記ナノピラーの角度配向が、前記法線方向に対して1°と前記表面の見通し角との間である、素子。
- 請求項13記載の素子において、前記ナノピラーの角度配向が、前記法線方向に対して45°である、素子。
- 請求項11記載の素子において、前記ナノピラーのアレイが、a-Si、GaAs、GaN、InAs、InP、GaP、InSb、Bi2Te3、CdTe、CZTSSe、CIGSペロフスカイト、またはBiTeで作られる、素子。
- 請求項11記載の素子において、前記ナノピラーのアレイが、
可視スペクトルにおいて光放射を吸収するためにInPで作られるか、
可視光および近赤外線スペクトルにおいて光放射を吸収するためにSiで作られるか、
中間波赤外線スペクトルにおいて光放射を吸収するためにInSbで作られるか、または
長波赤外線スペクトルにおいて光放射を吸収するためにBi2Te3で作られるか、
の何れである、素子。 - 請求項11記載の素子において、前記ナノピラーのアレイが、保護コーティング内にカプセル化される、素子。
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JP7156519B2 (ja) * | 2019-05-29 | 2022-10-19 | 日本電気株式会社 | 放射抑制膜および放射抑制構造 |
USD904322S1 (en) * | 2019-08-28 | 2020-12-08 | Carbice Corporation | Flexible heat sink |
USD906269S1 (en) * | 2019-08-28 | 2020-12-29 | Carbice Corporation | Flexible heat sink |
US20210063099A1 (en) | 2019-08-28 | 2021-03-04 | Carbice Corporation | Flexible and conformable polymer-based heat sinks and methods of making and using thereof |
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WO2011047359A2 (en) | 2009-10-16 | 2011-04-21 | Cornell University | Method and apparatus including nanowire structure |
US20130014814A1 (en) | 2010-01-08 | 2013-01-17 | Massachusetts Institute Of Technology | Nanostructured arrays for radiation capture structures |
US20140191354A1 (en) | 2011-09-30 | 2014-07-10 | Sionyx, Inc. | Laser system with polarized oblique incidence angle and associated methods |
US20130092222A1 (en) | 2011-10-14 | 2013-04-18 | Nanograss Solar Llc | Nanostructured Solar Cells Utilizing Charge Plasma |
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US20190302325A1 (en) | 2019-10-03 |
EP3776666A1 (en) | 2021-02-17 |
JP2021520514A (ja) | 2021-08-19 |
JP2023123575A (ja) | 2023-09-05 |
US10935702B2 (en) | 2021-03-02 |
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