An abnormal yellow emission and temperature-sensitive properties for perovskite-type Ca2MgWO6 phosphor via cation substitution and energy transfer
作者： Min Cui , Jindi Wang , Jinhua Li , Shuai Huang , Mengmeng Shang
DOI: 10.1016/J.JLUMIN.2019.116588
关键词: Range (particle radiation) 、 Analytical chemistry 、 Phosphor 、 Materials science 、 Ion 、 Luminescence 、 Photoluminescence 、 Oxygen 、 Crystal structure 、 Perovskite (structure)
摘要: A series of Ca 2 MgWO 6: Bi 3+, Eu 3+ phosphors were prepared via a high temperature solid-state reaction method. The crystal structure of Ca 2 MgWO 6: Bi 3+, Eu 3+ phosphors adopt the double perovskite structure. Different from previous study, a yellow-emitting was observed in the Ca 2 MgWO 6 matrix. Roman spectrum indicated that the yellow emission is a result of the existence of oxygen vacancies during the preparation process. By co-doping Bi 3+ into Ca 2 MgWO 6 matrix, the yellow emission was enhanced due to the more defect …
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