Enhancement of emission and luminescent thermal stability of K2SiF6 : Mn4+ by synergy of co-doping with Na+ and coating with GQDs
Sign Up to like & getrecommendations! Published in 2022 at "RSC Advances"
DOI: 10.1039/d2ra05527a
Abstract: The luminescence properties and thermal stability of phosphors are key properties for practical applications. A series of K2SiF6: Mn4+, Na+ @ GQDs (KSF: Mn4+, Na+ @ GQDs, KSF = K2SiF6, GQDs = graphene quantum dots;… read more here.
Keywords: stability; thermal stability; k2sif6 mn4; coating gqds ... See more keywords
K2SiF6:Mn4+ red-luminescent crystals with high external quantum efficiency (EQEmax of 78%) and high thermal quenching temperature (T1/2 > 500 K) enabling high brightness warm white LEDs
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Materials Chemistry C"
DOI: 10.1039/d4tc04035j
Abstract: Mn4+-activated fluoride phosphor is one of the crucial red-emitting phosphors for white lighting systems driven by light-emitting diodes (LEDs). In this study, we successfully synthesized high-quality K2Si1-xF6:xMn4+ (x = 0.03–0.70)... read more here.
Keywords: crystals high; mn4 red; k2sif6 mn4; high external ... See more keywords
Deep red fluoride dots-in-nanoparticles for high color quality micro white light-emitting diodes.
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DOI: 10.1364/oe.400848
Abstract: In this study, a novel nanostructure of fluoride red emitting phosphor is synthesized via soft templates. K2SiF6:Mn4+ nanocrystals in the range of 3-5 nm diameter are found inside the porous K2SiF6:Mn4+ nanoparticle hosts, forming unique dots-in-nanoparticles… read more here.
Keywords: color; dots nanoparticles; k2sif6 mn4; high color ... See more keywords