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题名: Synthesis and luminescence of ZnMgS : Mn2+ nanoparticles
作者: Zhang J;  Su FH;  Chen W;  Sammynaiken R;  Westcott SL;  McCready DE;  Li GH;  Joly AG
发表日期: 2005
摘要: Efficient green emission from ZnMgS:Mn2+ nanoparticles prepared by co-doping Mg2+ and Mn2+ ions into ZnS lattices has been observed. The synthesis is carried out in aqueous solution, followed by a post-annealing process, thus showing the features of less complexity, low cost, and easy incorporation of dopants. In comparison with the emission of ZnS:Mn2+ nanoparticles, which is located generally around 590 nm, the photoluminescence of ZnMgS:Mn2+ nanoparticles is blue-shifted by 14 nm in wavelength, leading to the enhanced green emission. The X-ray diffraction, electron spin resonance, and pressure dependent photoluminescence measurements suggest that the change of the crystal field caused by Mg2+ ionic doping and the lower symmetry in the nanoparticles may account for the blue-shift of the photoluminescence. The ZnMgS:Mn2+ nanoparticles with 1% Mn2+ doping exhibit the strongest luminescence, which could potentially meet the requirements for the construction of green light emitting diodes.
刊名: JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Zhang, J; Su, FH; Chen, W; Sammynaiken, R; Westcott, SL; McCready, DE; Li, GH; Joly, AG .Synthesis and luminescence of ZnMgS : Mn2+ nanoparticles ,JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,SEP 2005,5 (9):1465-1471
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