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Efficient manganese luminescence induced by Ce(3+)-Mn(2+ )energy transfer in rare earth fluoride and phosphate nanocrystals
Manganese materials with attractive optical properties have been proposed for applications in such areas as photonics, light-emitting diodes, and bioimaging. In this paper, we have demonstrated multicolor Mn(2+ )luminescence in the visible region by controlling Ce(3+)-Mn(2+ )energy transfer in rare...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3211164/ https://www.ncbi.nlm.nih.gov/pubmed/21711641 http://dx.doi.org/10.1186/1556-276X-6-119 |
Sumario: | Manganese materials with attractive optical properties have been proposed for applications in such areas as photonics, light-emitting diodes, and bioimaging. In this paper, we have demonstrated multicolor Mn(2+ )luminescence in the visible region by controlling Ce(3+)-Mn(2+ )energy transfer in rare earth nanocrystals [NCs]. CeF(3 )and CePO(4 )NCs doped with Mn(2+ )have been prepared and can be well dispersed in aqueous solutions. Under ultraviolet light excitation, both the CeF(3):Mn and CePO(4):Mn NCs exhibit Mn(2+ )luminescence, yet their output colors are green and orange, respectively. By optimizing Mn(2+ )doping concentrations, Mn(2+ )luminescence quantum efficiency and Ce(3+)-Mn(2+ )energy transfer efficiency can respectively reach 14% and 60% in the CeF(3):Mn NCs. |
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