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2月
Bi3+共掺杂对CeO2纳米颗粒中Yb3+探针离子局域结构、EPR谱及发光性能的 ...
本文系统研究了Bi3+共掺杂对CeO2:0.1%Yb3+纳米颗粒局域结构的调控作用。通过电子顺磁共振(EPR)和发光光谱分析,发现Bi3+掺杂可显著增加氧空位浓度,并改变Yb3+离子的配位环境。高温退火实验证实氧空位会向Yb3+离子近邻迁移,进而影响其发光性能。该研究为 ...
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