Abstract
The novel Bi3+/Ln3+:LuVO4 (Ln = Eu, Sm, Dy, Ho) nanocrystals are successfully fabricated by a facile and mixed hydrothermal method. With 10mol% Bi3+ doping into the LuVO4 nanocrystal, the Ln3+ excitation band could be diverted from 293nm to 346nm, attributing to the dominant of Bi3+ - V5+ metal–metal charge transfer instead of O2- to V5+ within VO4 group before doping. Under 346nm excitation, the as-prepared nanophosphors yield intense multicolor emissions. The emission color of Bi3+/Ln3+:LuVO4 nanophosphors can be tuned through adjusting the doping Ln3+ ions. They may find potential applications as white light-emitting diode materials in color display field.
Published Version
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