we developed a new silicate-based full-color phosphor Ba3Lu2（SiO4）3：Eu2＋ through solid state reaction.The host crystal structure was isostructural with Ca3Y2（SiO4）3 instead of garnet-type.The phosphor absorbed n...we developed a new silicate-based full-color phosphor Ba3Lu2（SiO4）3：Eu2＋ through solid state reaction.The host crystal structure was isostructural with Ca3Y2（SiO4）3 instead of garnet-type.The phosphor absorbed near-ultraviolet light from 250 to 400 nm,which was very suitable for a color converter of white LED that used UV-LED as the primary light source.The photoluminescence peak wavelength of Ba3Lu2（SiO4）3：Eu2＋ was about 461 nm and a shoulder peak was around 522 nm,which resulted from the 5d-4f transition of the Eu2＋.The optimum concentration of Eu2＋ was 3.45 mol.% of Ba2＋ content in Ba3Lu2（SiO4）3 host.It is a promising candidate for application in white LED as a white light converter.展开更多
基金Project supported by Natural Science Foundation of Jiangxi Province (2009GQC0042)Foundation of Jiangxi Educational Committee (GJJ10153)+1 种基金Major Science and Technology Project of Jiangxi Province (2010AZD00100)Foundation of Jiangxi University of Science and Technology (Jxxjzd10007)
文摘we developed a new silicate-based full-color phosphor Ba3Lu2（SiO4）3：Eu2＋ through solid state reaction.The host crystal structure was isostructural with Ca3Y2（SiO4）3 instead of garnet-type.The phosphor absorbed near-ultraviolet light from 250 to 400 nm,which was very suitable for a color converter of white LED that used UV-LED as the primary light source.The photoluminescence peak wavelength of Ba3Lu2（SiO4）3：Eu2＋ was about 461 nm and a shoulder peak was around 522 nm,which resulted from the 5d-4f transition of the Eu2＋.The optimum concentration of Eu2＋ was 3.45 mol.% of Ba2＋ content in Ba3Lu2（SiO4）3 host.It is a promising candidate for application in white LED as a white light converter.
