Abstract
The silica-coated LaPO4:Eu3+ three dimensional ordered macroporous (3DOM) materials were prepared via a template-assisted process. The influence of SiO2 shell on photoluminescence of LaPO4:Eu3+ 3DOM materials was investigated. The photoluminescence intensity of LaPO4:Eu3+ 3DOM materials was strongly enhanced due to the suppression of surface quenching effect caused by the formation of SiO2 shells. The luminescence lifetime change of LaPO4:Eu3+ 3DOM material after and before SiO2 shell was observed, which is attributed to the medium refractive index variety of the LaPO4:Eu3+ 3DOM material caused by formation of SiO2 shells.
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