Fig. 1: Fabrication of YAG:Ce-PiSG.
From: Highly efficient phosphor-glass composites by pressureless sintering
a Amorphous silica nanoparticles are first dispersed into UV-curable monomer, and then YAG:Ce powders are mixed with the UV-curable dispersion to form the slurry, which is put into the mould and polymerized into flat discs under high-power 365 nm light. After debound and sintered, they are fully densified into bulk composite (1.8 cm in diameter). Note that the resultant slurry shows no obvious phosphor settlement after siting for 30 min. b Flat discs of YAG:Ce-PiSG with various YAG:Ce contents (from left to right: 0, 1, 3, 5 and 7 wt%, 1.8 cm in diameter and 1.0 mm in thickness). c Total transmittance of YAG:Ce-PiSG with various YAG:Ce contents (1.0 mm in thickness). d Fluorescence microscope images of YAG:Ce/silica composite after polymerized, debound and densified (scale bar, 100 μm). e Surface CLSM image of 3 wt% YAG:Ce-PiSG (scale bar, 100 μm). f 3D reconstruction CLSM image of 3 wt% YAG:Ce-PiSG (scale bar, 100 μm). g Examples of printed and sintered 3 wt% YAG:Ce-PiSG (scale bar, 1 cm).
