Effects of excitation and bleaching of ultraviolet during photostimulated luminescence of BaFCl:Eu2+ phosphors |
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| Authors: | Yongsheng Wang Hui Zhao Zheng Xu Yanbing Hou Xurong Xu |
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| Affiliation: | (1) Institute of Optoelectronic Technology, Northern Jiaotong University, 100044 Beijing, China |
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| Abstract: | The photostimuated luminescence (PSL) of BaFCl:Eu2+ phosphors is studied through changing the energy of ultraviolet(UV)-irradiation. The PSL shows obviously difference while the irradiation energy is larger or smaller than that of the Eu2+ minimum excited state. The reasons for this difference are discussed and the location of the transform energy level of UV-irradiation from excitation to bleaching is given. Supported by National Natural Science Foundation of China. |
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