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| 1 | Sr_(2)MgSi_(2)O_(7):Eu^(2+),Dy^(3+)长余辉材料的余辉机理及应用进展显示文摘长余辉材料作为一种特殊的光致发光节能材料,在显示、生物医学、能源及环境工程等领域有着广泛的应用。以Sr_(2)MgSi_(2)O_(7)为代表的硅酸盐材料具有耐水性强、化学稳定性好、余辉时间长等优点,是一类极具潜力的长余辉材料。但余辉发光强度不足、发射带窄以及余辉机理不明确等缺点限制了其进一步商业化应用。全面回顾了Sr_(2)MgSi_(2)O_(7):Eu^(2+),Dy^(3+)长余辉材料的发展历程,系统综述了Sr_(2)MgSi_(2)O_(7):Eu^(2+),Dy^(3+)长余辉材料的余辉发光机理及其在安全标识、生物成像、光催化领域的应用,并对亟需解决的问题及今后的发展方向进行了探讨。 | 马占峰 刘硕 裴浪 钟家松 | 2021 | 激光与光电子学进展2021，58，15： | 2 |
| 2 | Luminescence properties of composite material Sr_(2)MgSi_(2)O_(7):Eu^(2+),Dy^(3+)/light conversion agent with multilayer structure显示文摘In order to improve the red luminescent properties,Sr_(2)MgSi_(2)O_(7):Eu^(2+),Dy^(3+)was selected as a blue persistent luminescent donor phosphor,while light conversion agent was utilized to tune the persistent luminescent spectra from blue to red.Composite red luminescent material Sr_(2)MgSi_(2)O_(7):Eu^(2+),Dy^(3+)/light conversion agent(SMED/LCA)was fabricated with light conversion agent and Sr_(2)MgSi_(2)O_(7):Eu^(2+),Dy^(3+)at a certain mass ratio.SiO_(2)(Al2 O_(3) or MgF2)were coated on the surface of SMED/LCA through heterogeneous deposition method.The structural and optical characteristics of the resulting samples were launched in terms of X-ray diffraction and emission spectrum as well as afterglow brightness.The results demonstrate that the emission spectrum exhibits two emission bands,and the peaks are located at around 470 and 615 nm.SiO_(2),Al_(2)O_(3) and MgF_(2) are coated on the surface of SMED/LCA like a protective shell to maintain its stability and luminescent properties,the afterglow initial brightness is still up to 0.37 cd/m^(2) and the afterglow color purity calculated from CIE color coordinates is basically unchanged. | Liubin Zheng Yanan Zhu Zengyuan Pang Mingqiao Ge | 2022 | Journal of Rare Earths2022，40，1： | 1 |
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