30 Nov '17, 6pm

Perovskites Challenge Quantum Dots as Champion Emitters of Light

Perovskites Challenge Quantum Dots as Champion Emitters of Light

An international research team from the University of Maryland and ETH Zurich in Switzerland has successfully demonstrated that a nanocrystal of perovskite can serve as a quantum emitter of light, and, when coupled with a nanophotonic cavity, can dramatically improve the efficiency of the light emission. The resulting device and method, described in the journal Applied Physics Letters , could be used to build nanolasers and optical devices that exhibit much faster response times than currently possible. Previously, there have been other quantum emitting materials that have been coupled to nanophotonic cavities. In this area, epitaxial materials such as quantum dots have garnered the most research interest. However, the researchers believe there are some distinct advantages to using perovskite nanocrystals instead of epitaxial materials, which involve the fairly complex dep...

Full article: https://spectrum.ieee.org/nanoclast/semiconductors/materi...

Tweets

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Google Brain Light Fixtures

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Long Eaton Christmas light switch on

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trentbarton.co.uk 30 Nov '17, 5pm

On Thursday 30 November, between 5.30pm & 8.30pm, Long Eaton will turn on their Christmas lights for 2017. During these ti...