Transition-metal activated phosphors are an important family of luminescent materials that
can produce white light with an outstanding color rendering index and correlated color …

Mn 4+-activated phosphors are a new class of non-rare earth phosphors and are alternative
to commercial Eu 2+-activated nitride/oxynitride phosphors with growing interest in various …

Highly efficient phosphor materials with superior thermal stability are indispensable for
phosphor-converted white light-emitting diodes (pc-WLEDs) solid state lighting. In order to …

The photoluminescence (PL) properties of Mn 4+-activated oxide phosphors are reviewed.
The phosphor materials considered here are almost all the oxide phosphors ever-reported …

Red-emitting phosphors composed of Mn 4+-activated fluorides have attracted considerable
interest for their applications in warm white light-emitting diodes (WLEDs). However, in …

Highly efficient and stable broadband near-infrared (NIR) emission phosphors are crucial for
the construction of next-generation smart lighting sources; however, the discovery of target …

Poor water resistance and nongreen synthesis remain great challenges for commercial
narrow red-emitting phosphor A2MF6: Mn4+ (A= alkali metal ion; M= Si, Ge, Ti) for solid …

Due to the unique narrow-band red emission and broadband blue light excitation, as well as
milder synthesis conditions, Mn4+ ion activated fluoride red phosphors show great promise …

A new generation of red phosphors of complex fluoride matrices activated with Mn4+ has
gained a broad interest in getting high color quality and low color temperature of solid-state …

Narrow‐band red‐emitting fluoride phosphors play a crucial role in lighting and backlight
displays, whereas the stability issue is a major challenge. Here, highly stable K2SiF6: Mn4+ …