CN115159861A - Neutral color optical film - Google Patents
Neutral color optical film Download PDFInfo
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- CN115159861A CN115159861A CN202210784465.5A CN202210784465A CN115159861A CN 115159861 A CN115159861 A CN 115159861A CN 202210784465 A CN202210784465 A CN 202210784465A CN 115159861 A CN115159861 A CN 115159861A
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- metal
- discontinuous
- neutral
- optical film
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- 239000012788 optical film Substances 0.000 title claims abstract description 30
- 230000007935 neutral effect Effects 0.000 title claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 176
- 229910052751 metal Inorganic materials 0.000 claims abstract description 90
- 239000002184 metal Substances 0.000 claims abstract description 90
- 239000011521 glass Substances 0.000 claims abstract description 56
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 40
- 239000002346 layers by function Substances 0.000 claims abstract description 36
- 229910052709 silver Inorganic materials 0.000 claims abstract description 30
- 239000004332 silver Substances 0.000 claims abstract description 30
- 230000004888 barrier function Effects 0.000 claims abstract description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 23
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052737 gold Inorganic materials 0.000 claims abstract description 3
- 239000010931 gold Substances 0.000 claims abstract description 3
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 3
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 22
- 239000011787 zinc oxide Substances 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 9
- 150000004767 nitrides Chemical class 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 2
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 2
- YAIQCYZCSGLAAN-UHFFFAOYSA-N [Si+4].[O-2].[Al+3] Chemical compound [Si+4].[O-2].[Al+3] YAIQCYZCSGLAAN-UHFFFAOYSA-N 0.000 claims description 2
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 claims description 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 2
- JYMITAMFTJDTAE-UHFFFAOYSA-N aluminum zinc oxygen(2-) Chemical compound [O-2].[Al+3].[Zn+2] JYMITAMFTJDTAE-UHFFFAOYSA-N 0.000 claims description 2
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 claims description 2
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 2
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 2
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 claims description 2
- ZARVOZCHNMQIBL-UHFFFAOYSA-N oxygen(2-) titanium(4+) zirconium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4] ZARVOZCHNMQIBL-UHFFFAOYSA-N 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- -1 silver aluminum Chemical compound 0.000 claims description 2
- MZFIXCCGFYSQSS-UHFFFAOYSA-N silver titanium Chemical compound [Ti].[Ag] MZFIXCCGFYSQSS-UHFFFAOYSA-N 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- PMTRSEDNJGMXLN-UHFFFAOYSA-N titanium zirconium Chemical compound [Ti].[Zr] PMTRSEDNJGMXLN-UHFFFAOYSA-N 0.000 claims description 2
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 claims description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 abstract description 45
- 238000000034 method Methods 0.000 abstract description 6
- 238000005496 tempering Methods 0.000 abstract description 6
- 238000013003 hot bending Methods 0.000 abstract description 3
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- 230000005540 biological transmission Effects 0.000 description 20
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- 238000000576 coating method Methods 0.000 description 9
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- 238000005516 engineering process Methods 0.000 description 6
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- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000001755 magnetron sputter deposition Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000000231 atomic layer deposition Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005566 electron beam evaporation Methods 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 description 3
- 238000000411 transmission spectrum Methods 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- IHWJXGQYRBHUIF-UHFFFAOYSA-N [Ag].[Pt] Chemical compound [Ag].[Pt] IHWJXGQYRBHUIF-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 description 1
- 229940112669 cuprous oxide Drugs 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000005344 low-emissivity glass Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3618—Coatings of type glass/inorganic compound/other inorganic layers, at least one layer being metallic
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3626—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing a nitride, oxynitride, boronitride or carbonitride
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3639—Multilayers containing at least two functional metal layers
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3644—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the metal being silver
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3649—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer made of metals other than silver
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3657—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having optical properties
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
- C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
- C03C2217/47—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase consisting of a specific material
- C03C2217/475—Inorganic materials
- C03C2217/479—Metals
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/152—Deposition methods from the vapour phase by cvd
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/154—Deposition methods from the vapour phase by sputtering
- C03C2218/156—Deposition methods from the vapour phase by sputtering by magnetron sputtering
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- Chemical Kinetics & Catalysis (AREA)
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- Surface Treatment Of Glass (AREA)
Abstract
The invention relates to a neutral color optical film, and belongs to the technical field of films. The neutral color optical film is arranged on the surface of glass and comprises N dielectric layers, a metal functional layer and a discontinuous metal layer; wherein one of the dielectric layers is adjacent to the glass; the metal functional layer or the discontinuous metal layer is arranged between two adjacent dielectric layers; the discontinuous metal layer comprises a discontinuous island-shaped noble metal layer and a metal barrier layer, and the noble metal is selected from one or more of gold, silver, platinum and palladium; wherein N is greater than 2. After the neutral color optical film is subjected to standard processing procedures such as high-temperature tempering, hot bending, interlayer and the like, the transmitted neutral color can be ensured besides excellent photo-thermal selection performance, namely, the a and b of the transmitted color are in the range of-1.5 to 1.5.
Description
Technical Field
The invention belongs to the technical field of films, and particularly relates to a neutral-color optical film.
Background
With the continuous improvement of the social and economic level, people pay more and more attention to climate change and sustainable development of human beings. In order to reduce the energy consumption level of buildings and vehicles, low-emissivity coated glass is gradually and widely applied to the glass of building curtain walls, residential windows, automobiles and various vehicles due to the excellent capability of modulating ultraviolet, visible and infrared light. From the balance of economical efficiency and performance, the current mainstream low-emissivity coated glass realizes the transmission of visible light and the high reflection of infrared light by plating one or more layers of 8-25 nm silver layer multilayer optical films sandwiched in a dielectric material layer on the glass, thereby effectively blocking the heat from passing under the condition of ensuring the visual transparency. Such coated glass usually needs thermal processing such as tempering, hot bending, interlayer and the like to ensure that the safety and the shape of the coated glass meet the use requirements. There is a need for such optical films that maintain their properties after high temperature processing. Meanwhile, as a product widely used in general, the appearance color of the product is also an important concern for designers and users. In particular, in buildings and vehicles, the color neutrality of the transmitted light of glass has become an increasingly common requirement. Therefore, an optical film plated on glass, which can realize energy-saving effect, can resist high-temperature heat processing and ensure neutral transmission color after processing, is urgently needed.
One or more layers of silver layers with the thickness of 8nm-25nm are used as functional layers of the low-radiation coating film, and good visible light transmission and infrared reflection functions can be realized. Meanwhile, the film system is matched with a barrier layer (such as a nickel-chromium alloy layer, a metal titanium layer and the like) with proper thickness, so that the functional silver layer can be ensured not to be oxidized and damaged in high-temperature hot processing. However, the silver layer has a relative dielectric constant similar to that of bulk solid silver, and under the combined action of other dielectric layers and the barrier layer, the film system absorbs relatively more of long-wave parts in visible light, so that the transmitted light of the whole film system presents green or yellowish green.
In order to realize the neutral transmission color of the low-radiation coating, the south glass group (patent CN 107099776A, patent CN 210030460U) and the blazing group (patent CN 112010567A) both disclose that the neutral color of the coating is realized by adding metal copper or a copper alloy layer into the coating, namely, a and b of the transmission color can be in the range of-1.5 to 1.5. However, these films contain copper or copper alloy, and during high-temperature tempering, the copper or copper alloy film is easily oxidized to form green cuprous oxide, copper oxide, etc., and the transmitted color turns green (as disclosed in patent CN 112010568A at = -3.5, and patent CN 210030460U at a > -4). Therefore, the film system can only be plated on a toughened glass substrate to prevent the optical film from losing original performance and appearance due to high temperature. The characteristics of uncut and non-reworkable bending of the tempered glass cause the practical application of the tempered glass to be limited considerably.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problem that the neutral-color optical film in the prior art can only be plated on tempered glass so as to avoid the optical film from losing the original performance and appearance due to high temperature.
In order to solve the technical problem, the invention provides a neutral color optical film. On the basis of the low-radiation film, a high-temperature-resistant discontinuous island-shaped precious metal layer-containing ultrathin film is introduced, and the local surface plasmon resonance of the ultrathin film is utilized to realize the absorption of green light, so that the low-radiation film deposited on the common float glass can have neutral transmission color besides excellent light transmission and heat insulation performance after high-temperature thermal processing. Thereby meeting the requirements of the building and vehicle field on the hot-processable neutral-color low-emissivity glass.
The invention aims to provide a neutral color optical film, which is arranged on the surface of glass and comprises N dielectric layers, a metal functional layer and a discontinuous metal layer; wherein one of the dielectric layers is adjacent to the glass; the metal functional layer or the discontinuous metal layer is arranged between two adjacent dielectric layers; the discontinuous metal layer comprises a discontinuous island-shaped noble metal layer and a metal barrier layer, and the noble metal is selected from one or more of gold, silver, platinum and palladium; wherein N is greater than 2.
In one embodiment of the present invention, the discontinuous island-shaped noble metal layer forms a localized surface plasmon (localized surface plasmon) whose resonance absorption peak can be adjusted to green light range of 492nm to 577nm and can withstand high temperature processing above 700 ℃. After the discontinuous island-shaped layer is inserted into the dielectric layer of the low-radiation film, the green light part in the transmission spectrum of the original film can be reduced or eliminated by utilizing the absorption of the discontinuous island-shaped layer on the green light, so that the whole film can still keep the neutral color of the transmission color after high-temperature toughening.
In one embodiment of the invention, the thickness of the discontinuous island-shaped noble metal layer is 0.3nm to 5nm.
In one embodiment of the present invention, the thickness of the discontinuous metal layer is 0.5nm to 20nm.
In one embodiment of the invention, the non-continuous metal layer comprises at least 1 non-continuous island-shaped noble metal layer and 1-2 continuous and/or non-continuous metal barrier layers.
In one embodiment of the present invention, the discontinuous metal layer is so thin that neither noble metal material is sufficient to fully cover its underlying dielectric or barrier layer to form a discontinuous island structure. The local surface plasmon resonance can realize the absorption of the green part in the spectrum by selecting proper materials and deposition processes and adjusting the distribution of the microstructure. Meanwhile, the adjustment of the integral film system is combined, so that the coated glass can keep neutral transmission color after being subjected to hot processing besides excellent photo-thermal performance indexes.
In one embodiment of the invention, the glass is float glass having a thickness of 1.2mm to 15 mm. The float glass may be white glass, or may be ultra-white or various colored glasses.
In one embodiment of the invention, the thickness of the dielectric layer is 10nm-150nm; the thickness of the metal functional layer is 10nm-30nm.
In one embodiment of the invention, the dielectric layer comprises a 1-5 stack layer structure of oxide and/or nitride layers. In order to improve the crystallization quality of the silver layer, improve the mechanical processing resistance and chemical corrosion resistance of the whole film system and adjust the optical property of the film, each dielectric layer consists of 1-5 different dielectric layers; to ensure that the coated glass can be heat treated at high temperature, the material of the dielectric layer is generally oxide or nitride which can resist high temperature.
In one embodiment of the invention, the oxide is one or more of titanium oxide, titanium zirconium oxide, zinc tin oxide, zinc aluminum oxide, zinc oxide, silicon aluminum oxide, zirconium oxide, and niobium oxide.
In one embodiment of the invention, the nitride is one or more of silicon nitride, silicon aluminum nitride, niobium nitride, titanium nitride, and zirconium nitride.
In one embodiment of the invention, the metallic functional layer comprises 1 continuous silver layer and 1-2 metallic barrier layers.
In one embodiment of the invention, the continuous silver layer has a thickness of 8nm to 25nm.
In one embodiment of the invention, the continuous silver layer is selected from silver, silver-aluminum alloy or silver-titanium alloy.
In one embodiment of the invention, the thickness of the metal functional layer and the thickness of the metal barrier layer in the discontinuous metal layer are both 0.5-5nm.
In one embodiment of the present invention, the metal functional layer and the metal barrier layer in the discontinuous metal layer are independently selected from titanium, titanium-aluminum alloy, nickel, chromium, nickel-chromium alloy or titanium-zirconium alloy.
In one embodiment of the present invention, each layer of the thin film is prepared by electron beam evaporation technology or magnetron sputtering technology; the metallic functional layer and the metallic barrier layer in the discontinuous metallic layer may also be prepared using Atomic Layer Deposition (ALD) techniques.
In one embodiment of the present invention, the coated glass can be manufactured by chemical vapor deposition, electron beam evaporation, magnetron sputtering, or other processes.
In one embodiment of the invention, the metal barrier layer is prepared by adopting atomic layer deposition, and the metal barrier layer can further improve the whole capability of the coated glass in resisting chemical attack and high-temperature and high-humidity environment due to the compact full coverage of the metal barrier layer on the lower layer material.
Compared with the prior art, the technical scheme of the invention has the following advantages:
(1) The neutral color optical film provided by the invention introduces the discontinuous island-shaped noble metal layer, and realizes the regulation and control of the optical properties of the film system by regulating the local surface plasmon resonance of the island-shaped noble metal layer.
(2) The neutral color optical film adopts pure noble metal or alloy thereof as the material of the island-shaped discontinuous layer, and combines proper substrate material and coating process, so that the noble metal material is mainly in a Volume-Weber type isolated island-shaped growth mode rather than forming a continuous noble metal film layer at the initial stage. Besides, due to the high enthalpy of oxidation and nitride formation of the noble metal or the alloy material thereof, the noble metal or the alloy material thereof is not easy to oxidize or nitride at high temperature like copper, nickel, tungsten, chromium, zirconium, aluminum and other metals, thereby ensuring the stability of the film system at high temperature.
(3) The discontinuous island-shaped noble metal layer in the neutral optical film is formed by non-uniform nucleation of metal atoms to be deposited on the surface of the substrate and aggregation of the metal atoms into island shapes. Selecting proper substrate and material to determine proper substrate surface energy gamma s Surface energy gamma of the metal to be deposited m And metal substrate interfacial energy gamma s/m So that γ is s -γ s/m <γ m . Meanwhile, the deposition amount and the deposition rate are controlled, so that the metal can realize the nanometer-level Volume-Weber island-shaped growth on a proper dielectric material without continuously growing into a continuous film. The interaction of such discontinuous island-shaped noble metal layer with the underlying substrate and other material layers overlying it can form localized surface plasmons. The nature of the discontinuous noble metal islands and the materials above and below them, the island geometry, and the size and distribution of the islands on the substrate surface determine the plasmon resonance absorption peaks. The coating material and the substrate are reasonably selected, the discontinuous ultrathin film growth process is accurately adjusted, and the integral coated glass can realize excellent photo-thermal selectivity and keep neutral transmission color after high-temperature heat treatment.
(4) After the neutral color optical film is subjected to standard processing procedures such as high-temperature tempering, hot bending, interlayer and the like, the transmitted neutral color can be ensured besides excellent photo-thermal selection performance, namely, the a and b of the transmitted color are in the range of-1.5 to 1.5.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a film system structure of a low-emissivity coated glass of the prior art; wherein; a is a double silver film structure; b is a three-silver film structure;
FIG. 2 is a schematic diagram of a film structure of a neutral-color optical coated glass according to an embodiment of the present invention; wherein; a is a double silver film system structure with an increased discontinuous island-shaped noble metal layer; b is a three-silver film system structure with a discontinuous island-shaped noble metal layer;
FIG. 3 is an enlarged view of a discontinuous metal layer in a neutral-color optical coated glass according to an embodiment of the present invention; wherein; a is an enlarged view of the non-continuous metal layer of example 1; b is an enlarged view of the discontinuous metal layer of example 2;
FIG. 4 is a transmission/reflection spectrum diagram of a neutral-color optical coated glass according to an embodiment of the present invention; wherein; a is a transmission and reflection spectrum chart of example 1; b is the transmission and reflection spectrogram of example 2;
description of the reference numerals: 01 is a first dielectric layer, 02 is a first metal functional layer, 03 is a second dielectric layer, 04 is a second metal functional layer, 05 is a third dielectric layer, 11 is a fourth dielectric layer, 12 is a third metal functional layer, 13 is a fifth dielectric layer, 14 is a fourth metal functional layer, 15 is a sixth dielectric layer, 16 is a fifth metal functional layer, 17 is a seventh dielectric layer, 21 is an eighth dielectric layer, 22 is a first discontinuous metal layer, 23 is a ninth dielectric layer, 24 is a sixth metal functional layer, 25 is a tenth dielectric layer, 26 is a seventh metal functional layer, 27 is an eleventh dielectric layer, 31 is a twelfth dielectric layer, 32 is an eighth metal functional layer, 33 is a thirteenth dielectric layer, 34 is a ninth metal functional layer, 35 is a fourteenth dielectric layer, 36 is a second discontinuous metal layer, 37 is a fifteenth dielectric layer, 38 is a tenth metal functional layer, 39 is a sixteenth dielectric layer, 41 is a first discontinuous island-shaped noble metal layer, 42 is a continuous metal barrier layer, 51 is a second discontinuous island-shaped metal layer, and 52 is a discontinuous metal barrier layer.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
In the present invention, the effective thickness of the discontinuous island-like noble metal layer thin film in the film-based structure is measured by ML (monolayer), where 1ML represents the amount of a single layer of deposition material required to completely cover the substrate. The discontinuous island-shaped noble metal layer film is grown in an island-shaped three-dimensional way instead of a two-dimensional plane, and then is grown on the previous layer, so that the discontinuous island-shaped noble metal layer film does not exactly represent the physical thickness of the actual discontinuous film.
In the invention, all dielectric layers of the film system can be prepared by adopting chemical vapor deposition, electron beam evaporation technology or magnetron sputtering technology. The metal layer and the discontinuous island-shaped noble metal layer are preferably prepared by adopting an electron beam evaporation or magnetron sputtering technology. The deposition rate per unit area of the non-continuous layer is in the range of 1 × 10 12 -2×10 14 atoms/cm 2 S substrate temperature at deposition<At 150 ℃. The metal barrier layer is preferably prepared by magnetron sputtering or atomic layer deposition technology.
In the present invention, the neutral optical thin film in the embodiment is an improvement of a film system structure of a low-emissivity coated glass based on a typical mature process as shown in fig. 1, wherein fig. 1a is a double-silver low-emissivity film system structure, the double-silver low-emissivity thin film is disposed on a surface of a float glass, and the neutral optical thin film comprises a first dielectric layer 01, a first metal functional layer 02, a second dielectric layer 03, a second metal functional layer 04, and a third dielectric layer 05 which are disposed on the surface of the float glass; and the neutral color optical film comprises a fourth dielectric layer 11, a third metal functional layer 12, a fifth dielectric layer 13, a fourth metal functional layer 14, a sixth dielectric layer 15, a fifth metal functional layer 16 and a seventh dielectric layer 17 which are arranged on the surface of the float glass in sequence. The structure of the neutral-color optical film according to the embodiment of the present invention is shown in fig. 2, and the double silver film containing discontinuous island-shaped noble metal layer in fig. 2a can be regarded as being obtained by inserting an ultra-thin discontinuous island-shaped noble metal layer into the first dielectric layer 01 in fig. 1 a. In the present invention, this ultra-thin discontinuous island-shaped noble metal layer can also be inserted into two additional second dielectric layers 03, 05 in fig. 1a to obtain desired optical properties. The three-silver film of fig. 2b containing a discontinuous island-shaped noble metal layer can be seen as being obtained by inserting an ultra-thin film discontinuous island-shaped noble metal layer into the sixth dielectric layer 15 of fig. 1 b. In the present invention, the ultra-thin discontinuous island-shaped noble metal layer can also be inserted into the additional fourth dielectric layer 11, the fifth dielectric layer 13, and the seventh dielectric layer 17 in fig. 1b to obtain the desired optical performance.
Example 1
Referring to fig. 2a, the double silver thin film with the neutral color optics comprising the discontinuous island-shaped noble metal layer is arranged on the surface of the float glass, and comprises an eighth dielectric layer 21, a first discontinuous metal layer 22, a ninth dielectric layer 23, a sixth metal functional layer 24, a tenth dielectric layer 25, a seventh metal functional layer 26 and an eleventh dielectric layer 27 which are arranged on the surface of the float glass in sequence, wherein the enlarged view of the first discontinuous metal layer 22 is shown in fig. 3a, and the first discontinuous metal layer 22 is formed by a first discontinuous island-shaped noble metal layer 41 embedded between two continuous metal barrier layers 42.
The material and thickness of each layer of the coated glass are as follows:
float glass: 6mm;
double silver film containing discontinuous island silver layer: 39.4nm Si from the float glass to the outside 3 N 4 、2.3nm NiCr、12ML Ag、1.5nm NiCr、51.8nm Si 3 N 4 、8nm ZnO、15.1nm Ag、0.5nm Ti、8nm ZnO、62.9nm ZnSnO x 、8nm AZO、16.1nm Ag、0.5nm Ti、8nm ZnO、14.7nm ZnSnO x 、3.5nm TiO 2 、2.1nm ZrO 2 。
After the coated glass is subjected to film removal, cleaning and tempering through standard edges, the transmission and coating surfaces of the glass and the color of the glass surface are as follows:
transmission (L, a, b): 73.1,0.1, -1.2;
coated surface reflection (L, a, b): 50.9, -20.4,1.8;
glass surface reflection (L, a, b): 28.1,0.7, -2.8;
glass face 45 ° angular reflection (L, a, b): 31.9, -1.2, -2.5;
glass face 60 ° angular reflection (L, a, b): 40.7, -2.2, -3.4;
ultraviolet, visible and near infrared transmission and glass surface small angle reflection spectra are shown in fig. 4a, and the transmission spectrum is obviously concave near the main wavelength 550nm of green light within the range of 380-780nm of visible light, which indicates that the green color in the transmitted light is weakened. The high reflection of the infrared part of the coated surface exceeding 780nm shows that the coated surface has high barrier performance to infrared heat. The low reflection of the glass surface in the visible light part ensures that the coated glass product keeps low outdoor reflected light when being used for a window outer sheet, thereby effectively avoiding the light pollution of tall and big curtain wall buildings.
The toughened glass is subjected to standard hollow processing to form a structure (window) of 6mm (coated glass) +12mm (dry air interval) +6mm glass, the coated glass is arranged on the outdoor surface, the coated surface is the second outdoor surface, and the performance indexes of the hollow glass according to the JGJ/T151-2008 standard are as follows:
visible light transmittance: 41 percent;
outdoor visible light reflectance: 7 percent;
shading coefficient (Sc): 0.29;
thermal insulation coefficient U value (W/m) 2 .K)：1.59。
Example 2
Referring to fig. 2b, a neutral-color optical three-silver film containing a discontinuous island-shaped noble metal layer is provided on the surface of the float glass, and comprises a twelfth dielectric layer 31, an eighth metal functional layer 32, a thirteenth dielectric layer 33, a ninth metal functional layer 34, a fourteenth dielectric layer 35, a second discontinuous metal layer 36, a fifteenth dielectric layer 37, a tenth metal functional layer 38 and a sixteenth dielectric layer 39 which are provided on the surface of the float glass, wherein the enlarged view of the second discontinuous metal layer 36 is shown in fig. 3b, and the second discontinuous metal layer 36 is composed of a second discontinuous island-shaped noble metal layer 51 (silver-platinum alloy) and a discontinuous metal barrier layer 52.
The material and thickness of each layer of the coated glass are as follows:
float glass: 6mm;
three-silver film containing discontinuous island-like silver layer: 25.8nm Si from the float glass to the outside 3 N 4 、10nm ZnO、11.8nm Ag、2.8nm Ti、10nm ZnO、47.7nm ZnSnO x 、10nm ZnO、14.9nm Ag、2.9nm Ti、10nm ZnO、14.9nm ZnSnO x 、10nm AZO、4.3ML Ag 0.98 Pt 0.02 、1.7ML Ti、10nm AZO、19.6nm ZnSnO x 、10nm ZnO、23.2nm Ag、2.8nm Ti、10nm ZnO、18.1nm ZnSnO x 、4.5nm TiO 2 。
After the coated glass is subjected to film removal, cleaning and tempering through standard edges, the transmission and coating surfaces of the glass and the color of the glass surface are as follows:
transmission (L, a, b): 79.8, -0.5,0.1;
coated surface reflection (L, a, b): 47.8, -8.1, -1.8;
glass surface reflection (L, a, b): 39.4, -2.1, -8.1;
glass face 45 ° angle reflection (L, a, b): 41.4, -1.7, -3.8;
glass face 60 ° angular reflection (L, a, b): 49.1, -2.1, -0.8;
the uv, visible, near ir transmission and small angle reflection spectra of the glass surface are shown in fig. 4b, with a significant dip near 550nm in the transmission spectrum, again indicating that the green color in the transmitted light is diminished making the transmission of the glass more neutral, and the values of the transmitted colors a and b also validate this result. High reflection of infrared part of more than 780nm of the coated surface and the glass surface shows that the coating film has excellent sun-shading and heat-insulating properties.
The toughened glass is subjected to standard hollow processing to form a structure (window) of 6mm (coated glass) +12mm (dry air interval) +6mm glass, the coated glass is arranged on the outdoor surface, the coated surface is an outdoor second surface, and the performance indexes of the hollow glass according to JGJ/T151-2008 standard are as follows:
visible light transmittance: 51 percent;
outdoor visible light reflectance: 14 percent;
shading coefficient (Sc): 0.3;
thermal insulation coefficient U value (W/m) 2 .K)：1.61。
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. The neutral color optical film is arranged on the surface of glass and is characterized by comprising N dielectric layers, a metal functional layer and a discontinuous metal layer; wherein one of the dielectric layers is adjacent to the glass; the metal functional layer or the discontinuous metal layer is arranged between two adjacent dielectric layers; the discontinuous metal layer comprises a discontinuous island-shaped noble metal layer and a metal barrier layer, and the noble metal is selected from one or more of gold, silver, platinum and palladium; wherein N is greater than 2.
2. The neutral-color optical film according to claim 1, wherein the discontinuous island-shaped noble metal layer forms localized surface plasmons, whose resonance absorption peak can be tuned to a green light range of 492nm to 577nm, and can withstand high temperature processing of 700 ℃ or higher.
3. The neutral-color optical film of claim 1, wherein the discontinuous island-like noble metal layer has a thickness of 0.3nm to 5nm; the thickness of the discontinuous metal layer is 0.5nm-20nm.
4. The neutral-color optical film of claim 1 wherein the discontinuous metal layer comprises at least 1 discontinuous island-shaped noble metal layer and 1-2 continuous and/or discontinuous metal barrier layers.
5. The neutral-color optical film of claim 1, wherein the dielectric layer has a thickness of 10nm to 150nm; the thickness of the metal functional layer is 10nm-30nm.
6. The neutral-color optical film of claim 1, wherein the dielectric layer comprises a 1-5 stack layer structure of oxide and/or nitride layers; the oxide is one or more of titanium oxide, zirconium titanium oxide, zinc tin oxide, zinc aluminum oxide, zinc oxide, silicon aluminum oxide, zirconium oxide and niobium oxide; the nitride is one or more of silicon nitride, silicon-aluminum nitride, niobium nitride, titanium nitride and zirconium nitride.
7. The neutral-color optical film of claim 1, wherein the metal functional layer comprises 1 continuous silver layer and 1-2 metal barrier layers.
8. The neutral-color optical film of claim 7, wherein the silver layer is selected from silver, silver aluminum alloy, or silver titanium alloy.
9. The neutral-color optical film according to claim 1, wherein the thickness of the metal functional layer and the metal barrier layer in the discontinuous metal layer are each 0.5nm to 5nm.
10. The neutral-color optical film of claim 1 wherein the metal functional layer and the metal barrier layer in the discontinuous metal layer are independently selected from titanium, titanium-aluminum alloy, nickel, chromium, nickel-chromium alloy, or titanium-zirconium alloy.
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