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Web Date: April 8, 2014

Carbon Dots For White LEDs Made In One Step

Nanotechnology: Simple, low-cost process yields carbon nanoparticles that emit bright white light
Department: Science & Technology
News Channels: Materials SCENE, Nano SCENE
Keywords: carbon dots, quantum dots, white LED, light-emitting diodes

Chemical engineers report an easy, low-cost method to make carbon nanoparticles that glow pure white (Ind. Eng. Chem. Res. 2014, DOI: 10.1021/ie500602n). The team used the particles, known as carbon dots, to make white light-emitting diodes. These LEDs could be an alternative to devices based on quantum dots containing toxic metals, the researchers say.

Quantum dots, which are semiconducting nanocrystals, are a promising technology for LEDs . . .

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