Controlling heat opens door for next-generation lighting and displays in perovskite LEDs
Wednesday, August 19, 2020 - 07:30
in Physics & Chemistry
Light-emitting diodes, or LEDs, are nearly ubiquitous in modern life, providing the brightness in phone displays, televisions, and lights. A new form of LEDs, made of a class of materials called halide perovskites, promises higher color quality and ease of manufacture, but has been known to fail when subjected to the kind of electrical current typically needed for practical uses. Now, Barry Rand, associate professor of electrical engineering and the Andlinger Center for Energy and the Environment, and a team of researchers have significantly improved the material's stability and performance by better managing the heat generated by the LEDs.