长余辉发光是指激发光停止后发光仍能持续的现象,具有长余辉发光性质的材料称为长余辉材料。长余辉材料因光学性质独特而受到广泛关注。介绍了长余辉材料的发光机理以及缺陷对长余辉发光性能的影响,总结了目前用于调控长余辉材料发光性能的方法,包括材料的制备工艺(合成方法、反应温度和反应体系pH)、离子掺杂取代和表面包覆。最后展望了长余辉材料未来的研究方向。
Long afterglow luminescence refers to the phenomenon where long-lasting afterglow persists after the cessation of excitation.Materials with persistent luminescence property are called long afterglow materials,which are garnering increased research interest due to their unique optical property.The luminescence mechanism of long afterglow materials and the influence of defects on their luminescence performance were introduced.Subsequently,the current methods used to regulate the luminescence performance of long afterglow materials were summarized,including the preparation process (synthesis method,reaction temperature,and pH value),ion doping and substitution,and surface coating.Finally,the future research directions of long afterglow materials were prospected.
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基金资助
河南省自然科学基金青年项目(232300420382);河南省科技攻关项目(242102231037);河南省郑州轻工业大学博士启动基金(2021BSJJ010)
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