Citric Gel Synthesis and Luminescent Properties of Ce3+-Activated SrGa2O4 Phosphor
作者： Qiao Bin , Tang Zilong , Zhang Zhongtai , Chen Lei
DOI: 10.1016/S1002-0721(07)60423-2
关键词:
摘要: Abstract Ce3+ -activated SrGa2O4 phosphor was synthesized by a method of citric gel, wherein acid served as chelate agent, and the as-synthesized powder calcined in slightly reduced ambient. The crystallization characteristics sample varied with calcining temperature. Compared prepared solid-state reaction, gel at relatively lower Consequently, volatilization Ga2O3 during high-temperature process avoided. typical double-peak emission originated from 2D(5d)→4F5/2(4f), 2D(5d)→4F7/2(4f) observed, intrinsic host much restricted. intensity temperature because different crystallinity optimal concentration Ce-dopant determined 3%.
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