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Impact of charge compensation on optical and thermometric behaviour of titanate phosphors
Materials Research Bulletin ( IF 5.3 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.materresbull.2019.110761
Sasank Pattnaik , Vineet Kumar Rai

Abstract The structural and optical characterization of the CaTiO3: Er3+/Yb3+ phosphors prepared using conventional solid-state reaction method have been performed through XRD, FESEM, EDAX and diffuse reflectance analysis. The excitation, emission and upconversion (UC) emission studies have been done. The effect of co-doping with Li+/Na+ ions on the UC emission intensity and dynamics involved in the process have been studied. The temperature sensing ability, main cause of concentration quenching, thermal stability, photometric characterization and population redistribution ability have been discussed and the promising applications of the developed phosphors have been explored.

中文翻译:

电荷补偿对钛酸盐荧光粉光学和测温行为的影响

摘要 通过XRD、FESEM、EDAX和漫反射分析,对采用常规固相反应方法制备的CaTiO3:Er3+/Yb3+荧光粉进行了结构和光学表征。已完成激发、发射和上转换 (UC) 发射研究。已经研究了与 Li+/Na+ 离子共掺杂对 UC 发射强度和过程中涉及的动力学的影响。讨论了温度传感能力、浓度猝灭的主要原因、热稳定性、光度表征和种群再分布能力,并探索了所开发荧光粉的有前景的应用。
更新日期:2020-05-01
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