Australian scientists develop precision light control technology
The Australian National University issued an announcement on the 17th saying that inspired by the butterfly wings, researchers at the university invented a miniature structure that can precisely control the direction of light. This light control technology can be applied to solar cells, construction and stealth technologies. According to researchers from the National University of Australia, the study was inspired by the tropical goddess of happiness. The tiny cone-shaped nanostructure on its wings allows the wings to control the scattering of light, resulting in a gorgeous blue color. Inspired by this, the research team produced a similar tiny nanostructure that allows precise control of the direction of light. "Effective light control can greatly increase the efficiency of solar cells," said Niraj Lal of the National University of Engineering Research Institute. Lair said that precise control of light scattering, reflection, and absorption of different colors is being applied to a new generation of high-efficiency solar panels. The purpose is to allow the perovskite layer of solar cells to absorb blue, green, and ultraviolet rays in sunlight. The solar cell's silicon layer absorbs red, orange, and yellow light. This solar cell is called a double-layer solar cell. In addition, according to Lars, this technology can also be applied to the invisible technology field; in the field of construction, this technology can control the amount of light entering the window and the temperature of the light. The research results have been published in the Journal of the American Chemical Society's Photonics. (Reporter Zhao Bo) Precision alloy, is a kind of alloy owning special physical properties (such as magnetism, electrical, thermal and other properties).The vast majority of precision alloy is black metal based, only a few is based of nonferrous metals. It usually includes magnetic alloys, elastic alloys, expansion alloys, thermal bimetal, electrical alloy, hydrogen storage alloys, shape memory alloy, magnetostrictive alloy and etc.
In addition, in practical application some new type alloy are also considered to belonging into precision alloy, such as vibration damping alloy, stealth alloy, magnetic recording, superconducting alloys and microcrystalline amorphous alloy and etc.
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