A highly Mn²⁺-doped narrowband green phosphor toward wide color-gamut display applications

Abstract

The highly doped phosphor La0.827Al11.9O19.09:Mn2+ exhibits intense green emission with a narrow FWHM, high PL QY and excellent thermal stability, which confer great potential for wide-color gamut LCD backlight applications.

Sb3+–doped 0D Cs3GdCl6 microcrystals with a near-unity photoluminescence quantum yield and high thermal quenching resistance for light-emitting application

“…We then evaluated the PL efficiency of Cs 3 GdCl 6 :Sb 3+ MCs. The PLQYs and AEs of the MCs were calculated using the following equations: 56 where L S is the PL emission spectrum of the sample, E S and E R are the PL excitation spectra for the sample and reference (BaSO 4 ), respectively (Fig. 2d).…”

Luminescence analysis of heavily Mn2+-doped LaMgAl11O19 phosphors: crystallographic site occupation and the formation of Mn2+–Mn2+ dimers

“…Nevertheless, a concentration quenching effect would occur with increasing Mn 2+ -doping concentration, leading to a decreased emission efficiency. Although controlling the distance between Mn 2+ luminescence centers by a structural confinement effect in the host could effectively mitigate energy migration among Mn 2+ ions and suppress quenching, 7–9 the enhancement of absorption would still be limited.…”