YPO4:Eu3+ hollow microspheres were synthesised by using the spheres of PS/Y(OH)CO3:Eu3+ as a precursor. The whole process mainly consists of the hydrothermal reaction and calcination. The YPO4:Eu3+ hollow spheres were characterised by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and photoluminescence. The formation mechanism was also investigated. The obtained YPO4:Eu3+ hollow spheres may have potential applications in cell biology, drug release and diagnosis, because of high chemical stability and luminescence functionality.
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Jiu et al. (2012) studied this question.
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