Yb3+和Er3+共掺杂的CaF2纳米晶近紫外上转换发光
Faguang Xuebao/Chinese Journal of Luminescence（2012）
Abstract
研究了Er3+和Yb3+共掺杂的CaF2纳米材料的制备及其紫外上转换发光性质.在980 nm二极管激光器激发下,该材料可发出相对较强的紫外和绿色双色上转换发光.研究了敏化离子Yb3+以及发光中心离子Er3+掺杂量对该材料紫外上转换发光相对强度的影响,并进一步对该材料紫外上转换发光增强的可能机制进行了探讨.
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Key words
Upconversion Nanoparticles,Nanocrystal Synthesis,Photon Upconversion,Luminescent Materials,Nonlinear Optics
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