The near-infrared[NIR]emitting wavelength-tunable Cr^(3+)-doped barium gallate[BGO:Cr]persistent luminescence[PersL]phosphors with enhanced luminescence were reported.The emission wavelength of the BGO:Cr PersL phosph...The near-infrared[NIR]emitting wavelength-tunable Cr^(3+)-doped barium gallate[BGO:Cr]persistent luminescence[PersL]phosphors with enhanced luminescence were reported.The emission wavelength of the BGO:Cr PersL phosphors was adjusted from 715 to 739 nm by varying the amount of Cr^(3+) and the ratio of Ga:Ba.Meanwhile,the luminescence intensity and afterglow of the BG0:Cr PersL phosphors were enhanced.BGO:Cr PersL phosphors exhibited UV excitation,LED light restimulation,PersL for more than 6 days,and excellent capability for information storage,which was expected to promote the development of cheap and wavelength-tunable PersL materials for practical applications.展开更多
基金The work was supported by the National Natural Science Foundation of China(NSFC)(No.21867014)Science and Technology Talents Training Project of Tianshan Youth Program of Xinjiang Uygur Autonomous Region(No.2017Q086).
文摘The near-infrared[NIR]emitting wavelength-tunable Cr^(3+)-doped barium gallate[BGO:Cr]persistent luminescence[PersL]phosphors with enhanced luminescence were reported.The emission wavelength of the BGO:Cr PersL phosphors was adjusted from 715 to 739 nm by varying the amount of Cr^(3+) and the ratio of Ga:Ba.Meanwhile,the luminescence intensity and afterglow of the BG0:Cr PersL phosphors were enhanced.BGO:Cr PersL phosphors exhibited UV excitation,LED light restimulation,PersL for more than 6 days,and excellent capability for information storage,which was expected to promote the development of cheap and wavelength-tunable PersL materials for practical applications.
