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Colorized vanadium dioxide film and preparation method for the same

A vanadium dioxide, vanadium dioxide thermochromic technology, applied in optics, instruments, optical components, etc., can solve the problems of high cost, unsuitable for large-scale application, cumbersome process, etc., to improve color, improve transmission color and reflection color , the effect of simple process

Active Publication Date: 2017-11-28
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods are cumbersome and costly, and are not suitable for large-scale applications.

Method used

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  • Colorized vanadium dioxide film and preparation method for the same
  • Colorized vanadium dioxide film and preparation method for the same
  • Colorized vanadium dioxide film and preparation method for the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Using template imprint curing, a periodic microporous structure is obtained. The thickness of the composite film with periodic microporous structure is 500nm, the holes on the film are arranged in a hexagonal form, the diameter of the holes is 400nm, the distance between two adjacent holes is 60nm, and the hole depth is 500nm.

[0055] Its transmission spectrum is as Figure 3-1 As shown, its related optical properties are shown in Table 1. The chromaticity coordinate L:A:B value calculated according to the principle of colorimetry is 93.5:0.16:9.3, and the specific performance is orange-red.

[0056] Table 1

[0057] solar regulation efficiency

Embodiment 2

[0059] Using template imprint curing, a periodic microporous structure is obtained. The thickness of the composite film with periodic microporous structure is 500nm, the holes on the film are arranged in a hexagonal form, the diameter of the holes is 200nm, the distance between two adjacent holes is 260nm, and the hole depth is 500nm.

[0060] Its transmission spectrum is as Figure 3-2 As shown, its related optical properties are shown in Table 2. The chromaticity coordinate value L:A:B calculated according to the principle of colorimetry is 85.9:-4.8:6.8, which is specifically expressed as purple.

[0061] Table 2

[0062] solar regulation efficiency

Embodiment 3

[0064] Using template imprint curing, a periodic microporous structure is obtained. The thickness of the composite film with periodic microporous structure is 500nm, the holes on the film are arranged in a hexagonal form, the diameter of the holes is 400nm, the distance between two adjacent holes is 60nm, and the hole depth is 250nm.

[0065] Its transmission spectrum is as Figure 3-3 As shown, its related optical properties are shown in Table 2. The chromaticity coordinate value L:A:B calculated according to the principle of colorimetry is 85.3:-0.3:25.0, which is specifically expressed as red.

[0066] table 3

[0067] solar regulation efficiency

[0068] It can be seen from the above examples that the color of the composite film can be adjusted by adjusting the diameter, spacing, depth, arrangement shape, etc. of the air column, and the composite film of the present invention has good visible light transmittance.

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Abstract

The invention relates to a colorized vanadium dioxide film and a preparation method for the same. The colorized vanadium dioxide film contains vanadium dioxide and the colorized vanadium dioxide film has an air column array which passes through the colorized vanadium dioxide film and is arranged periodically. The colorized vanadium dioxide film and the preparation method for the same form an air column array in the colorized vanadium dioxide film through nanometer embossment and are simple in technology, easy to control and can be used in a large scale. A template has a convex structure complementary with the structure of the needed air column array. The colorized vanadium dioxide film is adjustable in color, high in visible light transmittance and can be used in the fields of window glass, vehicle glass, etc.

Description

technical field [0001] The invention relates to the technical field of building energy conservation, in particular to a microstructure design and a preparation method of a vanadium dioxide film with thermochromic performance. Background technique [0002] Building energy consumption occupies a very large proportion in the total energy consumption of society. According to statistics, in developed countries, building energy consumption accounts for about 20-40% of the total social energy consumption. Although China is still in the stage of development, its total energy consumption has already ranked first in the world (20%). By the end of 2002, my country's energy-saving building area was only 230 million square meters. More than 40 billion square meters of houses in my country are high-energy-consuming buildings, and the total amount is huge. The increase in building energy consumption has already reached 25% of the country's greenhouse gas emissions, posing a huge energy c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/20G02B5/22C03C17/32C03C17/23
CPCC03C17/23C03C17/32C03C2217/21C03C2217/475C03C2218/11C03C2218/32G02B5/202G02B5/208G02B5/226
Inventor 高彦峰石翔崔晓鹏陈长季爱艳徐志
Owner SHANGHAI UNIV