Preparation and photoluminescent properties of doped nanoparticles of ZnS by solid-state reaction
作者： Liping Wang , Xudong Xu , Xin Yuan
DOI: 10.1016/J.JLUMIN.2009.07.036
关键词: Luminescence 、 Photoluminescence 、 Inorganic chemistry 、 Materials science 、 Nanoparticle 、 Doping 、 Emission spectrum 、 Zinc sulfide 、 Physical chemistry 、 Spectroscopy 、 Ion
摘要: Abstract Nanometer-sized Eu 3+ -doped ZnS and Mn 2+ particles were prepared by solid-state method at low temperature. The structures properties of those materials characterized X-ray diffraction (XRD) photoluminescent spectroscopy techniques. XRD patterns reveal that the doped nanoparticles belong to zinc-blende structure. concentration doping ions has little effect on sizes nanoparticles, which mainly depends temperature preparation. emission peaks from 5 D 0 → 7 F J ( =1, 2, 4) electronic energy transitions observed in spectra ZnS:Eu nanoparticles. intensity ratio two 1 2 indicates more occupy sites with no inversion symmetry. For ZnS:Mn an orange 4 T 6 A transition is present, indicating positions lattices. Meanwhile, UV-induced luminescence enhancement was for possible reason discussed primarily.
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