In recent years, down-converting phosphors have grown rapidly and been still growing for
their potential to significantly improve the photoelectric conversion efficiency of silicon-based …

Currently, the temperature sensing performances of inorganic photoluminescence materials
based on fluorescence intensity ratio technology have become a research hotspot in the …

The optical spectral properties of high-quality Na 5 Y 9 F 32 single crystals triply
incorporated Ho 3+/Pr 3+/Gd 3+ ions prepared successfully via a Bridgman technique were …

Down-conversion phosphors could absorb underutilized high-energy photons and convert
to available near-infrared (NIR) photons in 900–1100 nm improving the spectral mismatch of …

In current work, we reported a newfangled Sm 3+ ion used as a sensitizer to deactivate Yb
3+/Ho 3+ co-doped Na 5 Y 9 F 32 single crystal to enhance the~ 2.85 μm emission. The …

Tb 3+ ions single-doped transparent oxyfluoride glass-ceramics (GC) containing LiYF 4
nanocrystals were prepared via a conventional high-temperature melt quenching way and …

The structural and optical characteristics of Nd 3+-Yb 3+ doped CaF 2 phosphors with and
without the addition of Li+ ions are described in this work. The phosphors synthetized by …

The 2.0 μm spectral characteristics of the 980 nm LD pumped Er 3+/Ho 3+/Yb 3+ tri-doped
Na 5 Y 9 F 32 single crystals grown by an improved Bridgman method were investigated …

Down conversion (DC) in rare-earth-doped optical materials is a process of great interest for
the possibility of a substantial increase of the efficiency of silicon solar cells. Here we report …

In this paper, the Na 5 Y 9 F 32 single crystals tri-doped with~ 3 mol% Yb 3+/~ 1 mol% Ho
3+, and different concentrations of Ce 3+(0, 0.2, 0.25, 0.35 and 0.4 mol%) were successfully …