首页|X-ray-activated Bi3+/Pr3+co-doped LiYGeO4 phosphor with UV and NIR dual-emissive persistent luminescence
X-ray-activated Bi3+/Pr3+co-doped LiYGeO4 phosphor with UV and NIR dual-emissive persistent luminescence
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X-ray-activated luminescence materials have broad application prospects in photodynamic therapy of deep tissue.Among them,X-ray-activated persistent luminescence materials(PLMs)exhibiting multiple emission peaks have drawn extensive attention for their capacity to achieve a combination of bioimaging and therapeutic functions.Here,we developed a novel PLM,LiYGeO4∶Bi3+,Pr3+,that simultaneously exhibits UV and NIR dual persistent luminescence(PersL)emissions after irradiation by X-ray.The material can be repeatedly excited by X-ray and emits similar luminescence intensity every time,which shows good PersL stability.In addition,LiYGeO4:Bi3+,Pr3+exhibits photostimulated PersL properties by stimulation with a red light-emitting diode(LED)or NIR laser after long-term decay.This work provides a new choice of X-ray-excited PLMs with UV and NIR dual emission and the novel phosphor shows promise as a potential candidate for the integration of treatment and diagnosis of deep tumors.
State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou,350002,China
Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials,Xiamen Institute of Rare Earth Materials,Haixi Institute,Chinese Academy of Sciences,Xiamen,361021,China
Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China,Fuzhou,350108,China
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