New Energy-saving Building Material: WO3 Electrochromic Glass
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- Category: Tungsten Information
- Published on Thursday, 02 April 2020 19:15
- Written by Yahong
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As a new energy-saving building material, WO3 electrochromic glass has attracted more and more attention. For example, some experts use a WO3 thin film having nanocrystalline mosaic structure as an electrochromic material, and combine it with NiO to assemble an electrochromic device – an electrochromic glass, with high spectral modulation amplitude.
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Yellow Tungsten Oxide Composite Film
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- Category: Tungsten Information
- Published on Thursday, 02 April 2020 19:13
- Written by Yahong
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A yellow tungsten oxide composite film uses amorphous tungsten oxide as a matrix, and the SiO2 nanocrystals are uniformly distributed in the amorphous tungsten oxide. Some experts prepared such a composite film with a spectral modulation amplitude at 633 nm of 46%, a coloring time of 8 s, and a fade time of 4.3 s through the following steps:
Preparation of Rare-earth-doped Yellow Tungsten Oxide Photocatalyst
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- Category: Tungsten Information
- Published on Wednesday, 01 April 2020 14:40
- Written by Yahong
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Do you know how to prepare rare-earth-doped yellow tungsten oxide photocatalyst? The preparation process of such a photocatalyst: prepare pure yellow tungsten oxide (WO3) powder at first, and then dope WO3 powder with rare earth metal.
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Photocatalyst: Yellow Tungsten Oxide
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- Category: Tungsten Information
- Published on Thursday, 02 April 2020 19:12
- Written by Yahong
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As a photocatalyst, yellow tungsten oxide (WO3) has significant volume effects, surface effects, quantum size effects, and macro quantum tunnel effects, so that it has a wide range of applications in environmental pollution purification and energy regeneration, and therefore it has attracted much attention. Compared with commonly used photocatalysts such as TiO2 and ZnO, yellow tungsten oxide has a smaller forbidden band width and a larger light absorption range, thus it can use visible light (accounting for nearly half of the solar radiation energy) more effectively.
Doping Modification Enhances Photocatalytic Degradation of Yellow Tungsten Oxide
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- Category: Tungsten Information
- Published on Wednesday, 01 April 2020 14:39
- Written by Yahong
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By doping modification, yellow tungsten oxide’s photocatalytic degradation can be enhanced. Wherein, metal ion doping is a more common method used. Metal ion doping can improve the surface state of yellow tungsten oxide (WO3) catalysts, inhibit the recombination of photo-generated electrons and holes, and increase surface active groups. Therefore, a detailed study of the effects of metal ion doping on the structure, surface properties and photocatalytic activity of WO3 will help to understand the photocatalytic reaction mechanism and guide the preparation of highly active WO3 photocatalysts.
Read more: Doping Modification Enhances Photocatalytic Degradation of Yellow Tungsten Oxide