Eu3+doped CaCO3phosphor(CEP) was prepared by a microwave method. The CEP coated with stearic acid(c-CEP) was added into polypropylene(PP). The structure and physicochemical properties of PP/c-CEP composites were characterized by photoluminescence and photoluminescence excitation spectroscopy, scanning electron microscopy and differential scanning calorimetry,respectively. The results demonstrate that c-CEP can be dispersed in the PP composites. Compared to PP/c-CEP and CEP, the luminescent intensity of c-CE...
1 IntroductionRecently,the rare-earth ion Eu3+as one of the opticalactivators was doped into various inorganic compounds,which is widely used in many fields,such as white lightemitting diode(WLED),fluorescent lamps and plasmadisplay panels.[1–2]The Mn2+,
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