Abstract
Cerium-doped yttrium aluminum garnet phosphors with laminar structure were synthesized by a very simple method using filter paper as the structure template at 1100 °C. Three thin plate samples with different morphology were prepared via the different preparation procedures. The crystalline phase, composition, surface morphology and luminescence property of the synthesized samples are investigated by X-ray diffraction, energy dispersive X-ray analysis, scanning electron microscopy, and photoluminescence spectrum. Results indicate that the metal cations are combined with the filter paper templates and are self-assembled on the surface of filter paper. The self-assembly induced the growth of YAG: Ce crystal and the formation of the plate-like YAG: Ce samples. These plate-like bulky grains are composed of YAG: Ce nanoparticles (about 30 nm), and they show yellow–green fluorescent emissions. The YAG: Ce with laminar structure facilitates the increase of PL intensity.
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