Electrospinning fabrication and luminescent properties of SrMoO4:Sm3+ nanofibers
作者： Pingfan Du , Lixin Song , Jie Xiong , Houbao Cao , Zhenqiang Xi
DOI: 10.1016/J.JALLCOM.2012.06.025
关键词: Photoluminescence 、 Nanotechnology 、 Samarium 、 Electrospinning 、 Tetragonal crystal system 、 Nanofiber 、 Molybdate 、 Luminescence 、 Materials science 、 Analytical chemistry 、 Doping
摘要: Abstract Samarium ions doped strontium molybdate (SrMoO 4 :Sm 3+ ) nanofibers (NFs) were fabricated by a simple electrospinning process. The obtained SrMoO NFs are composed of scheelite-type tetragonal phase, and the have an average diameter ca. 90 nm. Under 275 nm ultraviolet (UV) excitation, show orange-red fluorescent property symbolized characteristic emission (606 nm) resulting from G 5/2 → 6 H 7/2 energy level transition Sm . And photoluminescence (PL) emissi on intensity is superior to that nanoparticles (NPs) counterpart under same doping concentrations. effect concentrations was also investigated. result reveals concentration quenching will occur when content exceeds 2 at.%. In other words, optimal luminescent performance such concentration.
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