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- W2745825436 endingPage "3332" @default.
- W2745825436 startingPage "3332" @default.
- W2745825436 abstract "Phosphor-converted white light-emitting diodes (pc-WLEDs) are energy efficient and environmentally friendly light sources with a long lifetime, applicable in both display backlights and general lighting. Adding red-emitting phosphors improves the color quality of white LEDs compared to the prototype combination of a blue LED and the yellow Y3Al5O12:Ce3+. Efficient narrow-band red-emitting phosphors like K2SiF6:Mn4+ can meet the market’s needs. This review recapitulates research since 2008 on K2SiF6:Mn4+ as the first and most discussed fluoride phosphor. The limited nephelauxetic effect, typical for fluorides, allows for the tuning of the Mn4+ emission in the red part of the spectrum below 650 nm. This is reflected in the spectroscopic parameters of the crystal field theory. Synthesis methods are described, showing the evolution from etching Si wafers to solution synthesis resulting in consistent luminescent and thermal properties. Though important for applications, long-term stability is often neglected, although (in)organic coatings improving stability emerge. This leads not only to warm-white LEDs with high efficacies and good color rendering, but also to efficient displays with a large color gamut." @default.
- W2745825436 created "2017-08-31" @default.
- W2745825436 creator A5013753040 @default.
- W2745825436 creator A5020916009 @default.
- W2745825436 creator A5024941522 @default.
- W2745825436 creator A5051229425 @default.
- W2745825436 creator A5072959103 @default.
- W2745825436 date "2017-08-24" @default.
- W2745825436 modified "2023-10-16" @default.
- W2745825436 title "K_2SiF_6:Mn^4+ as a red phosphor for displays and warm-white LEDs: a review of properties and perspectives" @default.
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