The whole process of down-conversion (the strategy by which materials transform much more-energetic photons to different, fewer energetic shades) also requires enhancement. For example, the purple phosphors that happen to be used these days are thermally delicate and must be enhanced in that facet to ensure they don't color change https://sicsbd02467.blogsumer.com/19065718/5-essential-elements-for-sic-schottky-barrier-diodes