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Sonochemical synthesis of highly luminescent zinc oxide nanoparticles doped with magnesium(II)
Huan-Ming Xiong1, Dmitry G Shchukin, Helmuth Möhwald
1Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200433 Shanghai, PR China. hmxiong@fudan.edu.cn
Abstract:
A bright idea: Mg/ZnO nanoparticles that exhibit bright, stable photoluminescence both in colloidal dispersions and in the solid state are formed by doping Mg(II) ions into ZnO nanoparticles by sonochemical synthesis. The changes in their band gaps and luminescence properties rely on the defect concentrations inside the ZnO nanoparticles; these concentrations are determined by the Mg/Zn molar ratios (see picture).
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