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Smart glass can selectively block light and heat
U.S. researchers have developed a material that when a thin layer of glass can be added to make them ‘smarter’ to make. The nano-crystals in the glass can selectively block visible light, or heat.
Blinds would thanks to the new material, which was in the Lawrence Berkeley National Laboratory developed are no longer needed. A layer of glass with nanocrystals could block or heat can stop visible light. Also both sunlight and infrared light are blocked. With the aid of electric pulses can be switched between the properties of the nanocrystals. The technique would heat on sunny days, keep out, but natural light. Can also be dimmed sunlight and can be both visible light and heat blocked if desired.
The technique makes use of special nano-crystals, which, thanks to an electro-chromatic effect can change color. You will need an electric pulse and the effect is reversible. For example, can be switched between a color which can block near-infrared light. The responsible intiumtinoxide nanocrystals are incorporated into a glass matrix containing niobium. This material has an electro chromatic effect where it gets a color visible light stops. By selectively intiumtinoxide nanocrystals or to send the niobium can be heat or light stopped.
The combination of both materials is more effective than either separately. As a result, thinner layers may be used, which reduces the cost. The researchers are working on a commercial application of their glass coating. If buildings with the ‘smart’ windows are fitted, significant energy savings are possible on air.Viewing:-105
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