There’s the LiquidView virtual window, and then this innovative window coating designed to reduce temperatures by up to 45° Fahrenheit. How so? It essentially blocks heat-generating ultraviolet and infrared light while still letting through visible light, regardless of the sun’s angle.
This coating was developed by stacking ultra-thin layers of silica, alumina and titanium oxide on a glass base. Researchers then added a micrometer-thick silicon polymer to enhance the structure’s cooling power by reflecting thermal radiation through the atmospheric window and into outer space. More optimization of the order of the layers was needed to ensure the coating would accommodate multiple angles of solar light.
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The angle between the sunshine and your window is always changing. Our coating maintains functionality and efficiency whatever the sun’s position in the sky,” said Tengfei Luo, the Dorini Family Professor for Energy Studies at the University of Notre Dame and the lead of the study.
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