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DOE OSTI · 1167480

Engineered core/shell quantum dots as phosphors for solid-state lighting

Klimov, Victor Ivanovich·Pietryga, Jeffrey Michael·McDaniel, Hunter
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Abstract

Light-emitting diodes (LEDs) for solid state light ing (SSL) typically combine a blue or near- ultraviolet drive LED with one or more dow nconverting phosphors to produce “white” light. Further advances in both efficiency and wh ite-light quality will re quire new phosphors with narrow-band, highly efficient emission, particul arly in the red. A team led by principal investigator Dr. Victor Klim ov of Los Alamos National Labo ratory proposes to develop engineered semiconductor nanocrystal quantum dots (QDs) that combine optimal luminescent properties with long-term stability under ty pical downconverting conditions to enable new performance levels in SSL. The white LED phosphor industry is estimated to have sales of roughly $400 million in 2018 and would significantly benefit from the development of bright and narrow red-emitting QD phosphors because they woul d enable warmer whites without wasting energy by emission of light beyond the response of the human eye. In order to capitalize on the market opportunity, the LANL team is partnering with a local company called UbiQD that will facilitate US manufacturing.

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32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION36 MATERIALS SCIENCE37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY77 NANOSCIENCE AND NANOTECHNOLOGY

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Klimov, Victor Ivanovich, Pietryga, Jeffrey Michael, McDaniel, Hunter. 2015-01-14. Engineered core/shell quantum dots as phosphors for solid-state lighting. https://doi.org/10.2172/1167480

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