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Web Date: April 25, 2017

Spray-on process creates bright, efficient LEDs

New method to make quantum-dot light-emitting diodes offers a low-cost route to bright, flexible displays
Department: Science & Technology
News Channels: Materials SCENE, Nano SCENE
Keywords: photonics, quantum dot, light-emiting diode, QLED, spray process, display

Researchers have developed a process to make light-emitting diodes by spraying a substrate with quantum dots (ACS Photonics 2017, DOI: 10.1021/acsphotonics.7b00216). The quantum-dot LEDs (QLEDs) are 100 times as bright and efficient as similar devices, the researchers say. The process could someday be used to mass-produce inexpensive, vibrant, and flexible displays.

Quantum dots are semiconductor nanocrystals that emit a single wavelength when stimulated . . .

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