Preparation and luminescence properties of TbPO4-Yb2O3/SBA-15 composites
2016
Abstract In this study, the terbium phosphate and ytterbium oxide were successfully introduced into SBA-15 by high temperature solid phase method, and got TbPO 4 -Yb 2 O 3 /SBA-15 composite materials. The luminescence properties of the prepared materials were studied by luminescence spectroscopy. The influences of Yb 2 O 3 to Tb 3+ luminescent properties have been studied, and the mechanism was analysed. The influences the concentration of Tb 3+ on luminescent intensity have been studied. The luminescent quenching mechanism was also analyzed. By the emission spectrum intensity, the optimum proportion of Tb and Yb was confirmed.
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