Synthesis of Zn0.2Ca0.8TiO3:Pr3+ via electrochemical assembly on ZSM-5 and its luminescent properties
作者： Fengfeng Li , Xiaomin Wang , Mingxi Zhang , Yi Shen , Liying Han
DOI: 10.1016/J.JEURCERAMSOC.2015.07.020
关键词:
摘要: Abstract A composite ZSM-5@Zn0.2Ca0.8TiO3:Pr3+ with red long persistent emission was synthesized by the sol-aided electrophoretic deposition technique. The effects of different electrophoresis parameters on luminescence performance were analyzed. photoluminescence and decay curves show that sample obtained at a voltage 10 V time 60 min exhibited optimal luminous property.The characteristics evaluated its fluorescence thermoluminescence (TL) spectra. peak 614 nm can be attributed to 1D2 → 3H4 transition Pr3+. broad TL observed in temperature range 30–120 °C, indicating trap may have resulted from combination V O 2 , Pr C defects. main located 68 °C, which is favorable for emission. structure characterized XRD, TEM, SEM. results ZSM-5 still maintained rectangular prismatic shape after assembly, whereas guest Zn0.2Ca0.8TiO3:Pr3+ particles size 100 nm an almost cubic dispersed densely surface ZSM-5.
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