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Self-Assembling Particles Could Produce Lower Cost LEDs

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Self-assembling nanoscale perovskite — crystalline substances — particles could be a more efficient and lower-cost alternative material for LEDs. Princeton engineering researchers have developed a novel self-assembling technique, where in the past the inability to create uniform and bright nanoparticle perovskite films limited their potential. A new type of LED is made with crystalline substances known as perovskites. Courtesy of Sameer A. Khan/Fotobuddy. Barry Rand, an assistant professor of electrical engineering and assistant professor at the Andlinger Center for...Read full article

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    Published: January 2017
    Glossary
    perovskite
    The term perovskite refers to a specific crystal structure commonly found in various materials. Perovskite structures have a cubic arrangement of oxygen ions, forming a framework within which other cations (positively charged ions) are located. This crystal structure was named after the mineral perovskite, which has the chemical formula CaTiO3 and was first discovered in the Ural Mountains of Russia. The general formula for the perovskite structure is ABX3, where: A represents a larger...
    PrincetonLEDsLight SourcesperovskiteBarry RandResearch & Technologyeducationnano-crystallineTech Pulse

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