WO2014065141A1 - 熱変換部材及び熱変換積層体 - Google Patents

熱変換部材及び熱変換積層体 Download PDF

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Publication number
WO2014065141A1
WO2014065141A1 PCT/JP2013/077828 JP2013077828W WO2014065141A1 WO 2014065141 A1 WO2014065141 A1 WO 2014065141A1 JP 2013077828 W JP2013077828 W JP 2013077828W WO 2014065141 A1 WO2014065141 A1 WO 2014065141A1
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WO
WIPO (PCT)
Prior art keywords
heat conversion
conversion member
layer
fesi
present
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.)
Ceased
Application number
PCT/JP2013/077828
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English (en)
French (fr)
Japanese (ja)
Inventor
範仁 竹内
則武　和人
笹谷　亨
琢仁 筒井
芳樹 奥原
聖一 須田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Industries Corp
Japan Fine Ceramics Center
Original Assignee
Toyota Industries Corp
Japan Fine Ceramics Center
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyota Industries Corp, Japan Fine Ceramics Center filed Critical Toyota Industries Corp
Priority to EP13848280.7A priority Critical patent/EP2913604B1/en
Priority to CN201380055454.2A priority patent/CN104755854A/zh
Priority to ES13848280T priority patent/ES2868097T3/es
Priority to US14/437,570 priority patent/US20150300695A1/en
Publication of WO2014065141A1 publication Critical patent/WO2014065141A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/10—Details of absorbing elements characterised by the absorbing material
    • F24S70/12—Details of absorbing elements characterised by the absorbing material made of metallic material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/10—Details of absorbing elements characterised by the absorbing material
    • F24S70/16—Details of absorbing elements characterised by the absorbing material made of ceramic; made of concrete; made of natural stone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
    • F24S70/225—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption for spectrally selective absorption
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/10—Semiconductor bodies
    • H10F77/12—Active materials
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Definitions

  • the present invention relates to a heat conversion member and a heat conversion laminate.
  • Non-Patent Document 1 a coating is provided on the surface of a container or a flow channel, and the coating promotes absorption of collected sunlight and is caused by heat radiation from the container or the flow channel to the outside. It is considered to suppress the heat radiation.
  • a first glass tube which is vacuum inside and into which sunlight is incident from the outside, and a selective absorption film is provided on the surface and provided on the inside of the first glass tube.
  • a solar comprising a second glass tube or a metal tube, and the selective absorption film comprising a metal film in contact with the second glass tube or metal tube and a dielectric thin film deposited on the metal film
  • the metal film is formed by one kind of electroless plating method selected from nickel, cobalt, silver or copper
  • the dielectric thin film is titanium dioxide, tantalum pentoxide or niobium pentoxide.
  • a solar heat collector formed by applying a coating method from a solution of one or a mixture thereof selected from the above, and then performing a heat treatment at 500.degree. C. or more in an oxidizing atmosphere Methods have been proposed.
  • Patent Document 2 discloses a coating composition for a heat collecting surface of a solar heat collector, which comprises a pigment which has a large solar light absorptivity and transmits infrared rays well, polymethylpentene, and a solvent which dissolves the polymethylpentene.
  • Patent Document 3 proposes a solar heat collecting apparatus using solar energy, which includes a wavelength conversion unit that absorbs at least a part of the sunlight and converts it into light of a different wavelength, and the wavelength conversion unit.
  • a solar heat collecting apparatus is proposed, which includes a heat storage unit that absorbs light emitted from the light source and generates heat.
  • Patent Document 4 discloses a solar light selective absorption coating having solar light absorption characteristics and low emissivity, which is a support (1) of metal, dielectric or ceramic material, and the support (1) At least one metal layer (2) of mid- to far-infrared light reflectivity (2) deposited on top, alternating dielectric layers (5) and metal layers (deposited on this metal reflection layer (2) 6) multilayer absorber structure (3) and at least one antireflective dielectric layer (4) deposited on the multilayer absorber structure (3); And the metal layers (6) of the multilayer absorbent structure (3) have the same or different thicknesses and / or compositions.
  • each of the layers (5) is less than 10 nm, preferably less than 1 nm
  • the total thickness of the multilayer absorbing structure (3) is 5 to 1000 nm
  • the dielectric material layer of the solar selective absorbing coating is A chamber or chamber deposited by reactive sputtering containing an inert gas and a reactive gas in the chamber or part of the chamber in which the dielectric layer is deposited, and in which the metal layer of the solar selective absorbing coating is deposited Since only inert gas is introduced into a part of the and deposited by DC sputtering, a unique solar selective absorption coating has been proposed since it is deposited by DC sputtering.
  • An object of the present invention is to provide a heat conversion member capable of efficiently converting light into heat.
  • Another object of the present invention is to provide a heat conversion laminate including a heat conversion member capable of efficiently converting light into heat.
  • the means for achieving the above object are the following items (1) to (8).
  • a heat conversion member comprising a composite material of at least one semiconductor and at least one metal material.
  • (3) The heat conversion member according to item (1) or (2), wherein the semiconductor contains FeSi x (X 0.5 to 4).
  • a heat conversion laminate obtained by laminating at least one layer containing the heat conversion member according to item (5) or (6) and a metal layer.
  • Thermal wherein at least a metal layer, at least one layer including the heat conversion member according to item (5) or (6), and a transparent dielectric layer are laminated in this order Conversion laminate.
  • a heat conversion member capable of efficiently converting light into heat is provided. Furthermore, according to the present invention, a heat conversion laminate is provided that includes a heat conversion member capable of efficiently converting light into heat.
  • FIG. 1 is a schematic cross-sectional view showing a heat conversion laminate 1 which is an embodiment of the heat conversion laminate of the present invention.
  • FIG. 2 is a graph showing the results of the absorption characteristics of an Ag—FeSi 2 meta semimonolayer film.
  • FIG. 3 is a diagram showing the results of the absorption characteristics of the Mo—FeSi 2 meta semi-monolayer film.
  • FIG. 4 is a graph showing the results of the absorption characteristics of a Cu—FeSi 2 meta semi-monolayer film.
  • the heat conversion member according to the present invention is a heat conversion member including a composite material of at least one semiconductor and at least one metal material. Since the heat conversion member according to the present invention can change the absorption characteristics of sunlight by adjusting the content (addition rate) of at least one metal material, the optical selectivity is improved to increase light. It can be efficiently converted to heat.
  • optical selectivity means that optical characteristics such as reflectance change dramatically at a certain wavelength or a certain wavelength range.
  • At least one semiconductor of the composite material (also referred to as a composite material) contained in the heat conversion member according to the present invention may be a single semiconductor or a mixture of two or more semiconductors.
  • At least one metal material of the composite material included in the heat conversion member according to the present invention may be one kind of metal material or a mixture of two or more kinds of metal materials.
  • the metal material of the composite material included in the heat conversion member according to the present invention is not particularly limited, and examples thereof include Ag material, Mo material, and Cu material.
  • the at least one metal material of the composite material included in the heat conversion member according to the present invention may be in any form, but is preferably in the form of particles. If at least one metal material is in the form of particles, it may be metal particles or metal particles.
  • the particle size of the particle form of the metal material is preferably 1 to 100 nm.
  • the heat conversion member according to the present invention may be in any form, for example, in the form of a film, a cylinder, a plate or the like, preferably in the form of a film.
  • the film-like thickness of the heat conversion member according to the present invention may be any thickness as long as the effects of the present invention can be obtained, but the film-like shape of the heat conversion member according to the present invention preferably has a thickness of 1 nm to 10 ⁇ m, More preferably, it has a thickness of ⁇ 100 nm.
  • the content of the at least one metal material contained in the heat conversion member according to the present invention may be arbitrary, for example, 1 to 50 vol% may be mentioned.
  • the heat conversion member according to the present invention may include any material other than the composite material of at least one semiconductor and at least one metal material.
  • a transparent dielectric such as SiO 2 may be mixed in the form of particles or fine particles.
  • the heat conversion member according to the present invention can be obtained by any known manufacturing method.
  • the heat conversion member according to the present invention can be manufactured by physical vapor deposition (PVD), sputtering or the like.
  • the heat conversion laminate according to the present invention is characterized in that at least one layer including the film-like heat conversion member according to the present invention and a metal layer are laminated, At least one layer including the film-like heat conversion member according to the present invention may be stacked in this order, or may be stacked in the reverse order.
  • thermoelectric layer In the heat conversion laminate according to the present invention, at least a metal layer, at least one layer including the film-like heat conversion member according to the present invention, and a transparent dielectric layer are laminated in this order. It features.
  • At least one layer of the heat conversion laminate according to the invention comprising the film-like heat conversion member according to the invention, may be configured as a light absorbing layer, the sun by adjusting the content of the at least one metal material Since it is possible to change the absorption characteristics of light, it is possible to improve the optical selectivity and efficiently convert light into heat.
  • the thickness of at least one layer including the film-like heat conversion member of the heat conversion laminate according to the present invention may be any thickness as long as the effects of the present invention can be exhibited, but the thickness is 5 to 100 nm preferable.
  • the layer containing the film-like heat conversion member of the heat conversion laminate according to the present invention may be a single layer or a plurality of layers. At least one layer including the film-like heat conversion member of the heat conversion laminate according to the present invention may contain any material other than the film-like heat conversion member.
  • the metal layer of the heat conversion laminate according to the present invention may be configured as an infrared antireflective layer.
  • the metal layer of the heat conversion laminate according to the present invention is not particularly limited, for example, a molybdenum (Mo) layer, a tungsten (W) layer, a silver (Ag) layer, a gold (Au) layer, copper (Cu)
  • Mo molybdenum
  • the thickness of the metal layer of the heat conversion laminate according to the present invention may be any thickness as long as the effects of the present invention can be obtained, but preferably the thickness is at least 100 nm or more.
  • the transparent dielectric layer of the heat conversion laminate according to the invention may be configured as an antireflective layer.
  • Transparent dielectric layer of the thermal conversion laminate according to the present invention is particularly not limited to, for example, SiO 2 layer, Al 2 O 3 layer, but an AlN layer, and the like, to be SiO 2 layer Preferred .
  • the thickness of the transparent dielectric layer of the heat conversion laminate according to the present invention may be any thickness as long as the effects of the present invention can be obtained, but it is preferably 10 nm to 500 nm.
  • the heat conversion laminate according to the present invention may include an absorption layer other than the heat conversion member of the present invention as a light absorption layer.
  • the heat conversion laminate according to the present invention can be obtained by any known manufacturing method.
  • the heat conversion laminate according to the invention can be produced, for example, by physical vapor deposition (PVD), sputtering etc.
  • the heat conversion laminate according to the present invention is not limited to the embodiment of the present invention shown in FIG. 1 within the scope not departing from the object and the gist of the present invention.
  • FIG. 1 is a view showing a heat conversion laminate 1 which is one aspect of the heat conversion laminate according to the embodiment of the present invention.
  • the heat conversion laminate 1 according to the embodiment of the present invention comprises a transparent dielectric layer 11, a layer (heat absorbing layer) 12 including a heat conversion member, and a metal layer 13.
  • the layer (light absorbing layer) 12 including the heat conversion member is composed of the metal fine particles 121 and the semiconductor 122. As shown in FIG. 1, the metal particles 121 are contained and dispersed in the semiconductor 122.
  • Example 1 The absorption characteristics of the heat conversion member according to the present invention were evaluated using an Ag-FeSi 2 meta semi-monolayer film.
  • a film was formed by simultaneously sputtering FeSi 2 and Ag (silver) on a quartz substrate at room temperature. After film formation, annealing was performed at a temperature of 800 ° C. or less in a vacuum furnace for 1 hour. Samples of two types (4.0 vol%, 8.6 vol%) of Ag-FeSi 2 metasemi were prepared according to the addition rate of Ag (silver).
  • optical constants (refractive index n, extinction coefficient k) of Ag—FeSi 2 metasemi were calculated from measurement data of the obtained sample by a spectroscopic ellipsometer, and reflectance characteristics and transmittance characteristics measured by a spectrophotometer.
  • Example 2 The absorption characteristics of the heat conversion member according to the present invention were evaluated using a Mo—FeSi 2 meta semi-monolayer film.
  • a film was formed by simultaneously sputtering FeSi 2 and Mo (molybdenum) on a quartz substrate heated to a temperature of 700 ° C. or less. Samples of two (4.2 vol%, 9.4 vol%) Mo-FeSi 2 metasemi were prepared according to the addition rate of Mo (molybdenum).
  • optical constants (refractive index n, extinction coefficient k) of the Mo—FeSi 2 metasemi were calculated from measurement data of the obtained sample by a spectroscopic ellipsometer, and reflectance characteristics and transmittance characteristics measured by a spectrophotometer.
  • Example 3 The absorption characteristics of the heat conversion member according to the present invention were evaluated using a Cu—FeSi 2 meta semi-monolayer film.
  • a film was formed by simultaneously sputtering FeSi 2 and Cu (copper) on a quartz substrate heated to a temperature of 700 ° C. or less.
  • optical constants (refractive index n, extinction coefficient k) of the Cu—FeSi 2 metasemi were calculated from measurement data of the obtained sample by a spectroscopic ellipsometer, and reflectance characteristics and transmittance characteristics measured with a spectrophotometer.
  • a film was formed by sputtering FeSi 2 on a quartz substrate heated to a temperature of 700 ° C. or less. A sample of FeSi 2 was made.
  • optical constants (refractive index n, extinction coefficient k) of FeSi 2 were calculated from the measurement data of the obtained sample by a spectroscopic ellipsometer and the reflectance characteristics and the transmittance characteristics measured by a spectrophotometer.
  • the absorption characteristic curve shifts to the long wavelength side as the addition rate of Mo (molybdenum) increases (0 vol% ⁇ 4.2 vol% ⁇ 9.4 vol%).
  • the Mo-FeSi 2 meta-semi-monolayer film can change the solar light absorption characteristics by adjusting the content (addition rate) of the Mo (molybdenum) material, thereby improving the optical selectivity. Light can be efficiently converted to heat.
  • the absorption characteristic curve shifts to the long wavelength side as the addition rate of Cu (copper) increases (0 vol% ⁇ 8.1 vol%).
  • the Cu-FeSi 2 meta semi-monolayer film can change the solar light absorption characteristics by adjusting the content (addition rate) of the Cu (copper) material, the optical selectivity can be improved. Light can be efficiently converted to heat.
  • the absorption characteristic curve can be shifted to the long wavelength side with respect to the FeSi 2 single layer film, and the optical selectivity is maintained even after the shift. Therefore, it is possible to use the heat conversion member of the present invention in place of the FeSi 2 single layer film.
  • the heat conversion member of the present invention can be laminated on a metal layer as an infrared reflection layer, and a transparent dielectric layer as an antireflection layer can be further provided.
  • Example 4 The properties of the laminate according to the invention were evaluated.
  • the absorptivity of the laminate obtained by laminating the metal layer, the meta-semi layer (light absorption layer), and the transparent dielectric layer in this order was similarly calculated using the multilayer approximation, and the characteristics were evaluated. In the same manner, it was confirmed that the characteristics shifted to the long wavelength side.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Ceramic Engineering (AREA)
  • Laminated Bodies (AREA)
  • Physical Vapour Deposition (AREA)
PCT/JP2013/077828 2012-10-26 2013-10-11 熱変換部材及び熱変換積層体 Ceased WO2014065141A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13848280.7A EP2913604B1 (en) 2012-10-26 2013-10-11 Use of heat-to-light conversion member
CN201380055454.2A CN104755854A (zh) 2012-10-26 2013-10-11 热转换构件和热转换层叠体
ES13848280T ES2868097T3 (es) 2012-10-26 2013-10-11 Uso del miembro de conversión de calor a luz
US14/437,570 US20150300695A1 (en) 2012-10-26 2013-10-11 Heat conversion member and heat conversion laminate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-237295 2012-10-26
JP2012237295A JP6059952B2 (ja) 2012-10-26 2012-10-26 熱変換部材及び熱変換積層体

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WO2014065141A1 true WO2014065141A1 (ja) 2014-05-01

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US (1) US20150300695A1 (enExample)
EP (1) EP2913604B1 (enExample)
JP (1) JP6059952B2 (enExample)
CN (1) CN104755854A (enExample)
ES (1) ES2868097T3 (enExample)
WO (1) WO2014065141A1 (enExample)

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JP5896889B2 (ja) * 2012-12-07 2016-03-30 株式会社豊田自動織機 光学選択膜
US20180312962A1 (en) * 2015-10-30 2018-11-01 Rioglass Solar Systems Ltd. Method for the deposition of functional layers suitable for heat receiver tubes
JP6566041B2 (ja) * 2015-11-05 2019-08-28 日本製鉄株式会社 熱光変換部材
WO2017170768A1 (ja) 2016-03-31 2017-10-05 新日鐵住金株式会社 熱光変換部材
JP2018174657A (ja) * 2017-03-31 2018-11-08 国立大学法人横浜国立大学 エネルギー変換装置及びその製造方法
CN110887022A (zh) * 2018-09-10 2020-03-17 深圳光峰科技股份有限公司 波长转换装置及光源系统
JP2023081493A (ja) * 2021-12-01 2023-06-13 一般財団法人ファインセラミックスセンター 輻射スペクトル制御用の複合膜とその製造方法およびその複合膜を備えた輻射スペクトル制御デバイス
KR102795566B1 (ko) * 2023-02-02 2025-04-16 성균관대학교산학협력단 광열변환체 및 그 제조 방법, 그리고 이를 적용한 담수화 시스템

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JP2014085099A (ja) 2014-05-12
EP2913604A1 (en) 2015-09-02
EP2913604A4 (en) 2016-06-22
JP6059952B2 (ja) 2017-01-11
ES2868097T3 (es) 2021-10-21
US20150300695A1 (en) 2015-10-22
CN104755854A (zh) 2015-07-01
EP2913604B1 (en) 2021-04-21

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