Development of Advanced LED Phosphors by Spray-based Processes for Solid-State Lighting
- Created on Wednesday, 10 March 2010
Cabot has produced a number of different compositions in a spherical morphology that may be useful for solid state lights, as well as demonstrated processes that are able to produce particles from 10 nanometers to 3 micrometers. Towards the end of the project Cabot demonstrated that the process produces YAG:Ce powder that has both higher internal quantum efficiency (0.6 compared to 0.45) and external quantum efficiency (0.85 compared to 0.6) than the commercial standard. However, these highly bright materials were only produced in research and development quantities, not in a reproducible manner at a commercial scale.
This work was done by Cabot Corp., Boston, MA. DE-FC26-04NT42276
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