Alloy gas chromism film material

An aerochromic and thin-film material technology, applied in optical components, optics, instruments, etc., can solve the problems of high cost of rare earth alloy thin films, achieve obvious energy-saving effects, improve durability, and reduce secondary radiation

Active Publication Date: 2008-01-23
JIANGSU IRON ANCHOR GLASS LTD BY SHARE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the cost of rare earth alloy thin film is relatively high

Method used

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  • Alloy gas chromism film material
  • Alloy gas chromism film material
  • Alloy gas chromism film material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] In this embodiment, the glass substrate 5 is covered with an alloy aerochromic film. The film layer of described alloy aerochromic thin film is made up of the alloy layer of 40nm thickness and the palladium (Pd) layer of 5nm thickness (see Fig. 1), wherein the molar ratio of alloy layer Mg, Ni is 20: 1, passes into hydrogen In the state of (4 V / V%), the transmittance of the film was measured to be 20% with light of wavelength λ=670nm.

Embodiment 2

[0033] In this embodiment, the glass substrate 5 is covered with an alloy aerochromic film. The film layer of described alloy aerochromic thin film is made up of the alloy layer of 40nm thickness and the palladium (Pd) layer of 5nm thickness (see Fig. 1), wherein the molar ratio of alloy layer Mg, Ni is 2.5: 1, passes into hydrogen In the state of (4V / V%), the transmittance of the film was measured to be 46% with light of wavelength λ=670nm.

Embodiment 3

[0035] In this embodiment, the glass substrate 5 is covered with an alloy aerochromic film. The film layer of described alloy aerochromic thin film is made up of the alloy layer of 40nm thickness and the palladium (Pd) layer of 5nm thickness (see Fig. 1), wherein the molar ratio of alloy layer Mg, Ni is 5: 1, passes into hydrogen In the state of (4V / V%), the transmittance of the film was measured to be 72% with light of wavelength λ=670nm. The comparison chart of the transmittance of the film in the high and low hydrogen states in the wavelength range of 340-2500nm is shown in Fig. 2 .

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Abstract

This invention provides a new type of alloy gas-caused chromotropic film material including a catalyzing layer, a gas-caused color-change alloy working layer orderly from the top to the bottom or including a catalyzing layer, an anti-diffusion layer, a gas-caused color-change alloy working layer and a transition layer orderly, in which, the catalyzing layer is a Pd, Pt or Rh metal film of 5-15nm thick, the thickness of the gas-caused color-change alloy working layer is 20-100nm and the composition of which is Mg-Ni alloy in the mol ratio of 20:1-10:3 or is based on Mg-Ni alloy doped with rare earth element Y, La or Er, in which, the mol percentage content of the rare earth element is 0.5-10%, or Mg or Ni combined with Y, La or Er and the content of the rare earth is 30-60%, the anti-diffusion layer is NbO of 1-10nm thick and the transition layer is one kind of metal in the 5-30nm alloy.

Description

technical field [0001] The invention relates to an alloy aerochromic film material on a substrate. technical background [0002] Aerochromic film materials generally include color-changing materials and catalytic materials. The structure can be a composite film structure or a single-layer structure in which the catalyst is dispersed in the color-changing material. Under the action of the catalyst, the working gas becomes active atoms and combines with the catalytic layer to generate The new structure leads to discoloration; and when the surface is passed through inert gas, the above-mentioned active atoms are detached from the discoloration material, and a reverse reaction occurs to restore the original color. In this way, the optical properties (transmittance, reflectance) of the film can be changed, which can be used in smart window coatings to improve light adjustment, energy saving, heat insulation, heat preservation, etc. [0003] The general requirements for smart win...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B1/10
Inventor 徐刚徐雪青石川
Owner JIANGSU IRON ANCHOR GLASS LTD BY SHARE LTD
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