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August 13, 2021 Friday 08:35:34 AM IST

Low Cost Substitute to Indium for Smart Devices

Researchers at University of Sydney have developed a low-cost, sustainable and readily available technology that can dim the screens of electronic devices, anti-reflection automobile mirrors or other devices replacing the costly indium, a rare chemical element. Although small amounts of indium are only used for smart device screens, it is very expensive and hard to source. The scientists have developed a plasma-generated, hybrid nanocomposite material  that allows glass to be dimmed a the push of a button or touch of a screen. The plasma-generated material is composed of tungsten oxide and silver and can be applied to coat almost any solid surface, including flexible plastics. Known as the fourth state of matter, plasma is created by adding energy to gas.