Blue Light-Emitting Diode (IMAGE)

University of California - Berkeley

Blue Light-Emitting Diode

Caption

UC Berkeley chemists created a type of halide perovskite crystal that emits blue light, something that has been hard to achieve with this trendy new material. But the researchers discovered that these materials are inherently unstable, requiring careful control of temperature and chemical environment to maintain their precise color. This instability may have other applications, however.

Credit

Peidong Yang, UC Berkeley

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