title: Versatile phosphors BaY2Si3O10:RE (RE = Ce3+, Tb3+, Eu3+) for light-emitting diodes.
abstract: Rare-earth-activated BaY(2)Si(3)O(10) (BYSO) phosphors were synthesized via a solid-state reaction. BaY(2)Si(3)O(10):Ce(3+) yields an indigo-blue emission peak at 404 nm according to excitation at 334 nm attributed to the Ce(3+) 4f-->5d transition. BaY(2)Si(3)O(10):Tb(3+) typically generates green emission peaks resulting from the 5D4-->7FJ transition. BaY(2)Si(3)O(10):Eu(3+) exhibits red emission peaks upon excitation at 393 nm. The quantum efficiency of these phosphors was found to be 53%, 55%, and 63% of commodity. The results in this work demonstrate that these phosphors with new compositions are good candidate luminescent materials for use in plasma display panels and light-emitting diodes, excited from VUV to UV.
authors.affiliation: Material and Chemical Research Laboratories, ITRI, Hsinchu 300, Taiwan, ROC.
authors.forename: Wei-Ren
authors.initials: WR
authors.lastname: Liu
authors.forename: Chun Che
authors.initials: CC
authors.lastname: Lin
authors.forename: Yi-Chen
authors.initials: YC
authors.lastname: Chiu
authors.forename: Yao-Tsung
authors.initials: YT
authors.lastname: Yeh
authors.forename: Shyue-Ming
authors.initials: SM
authors.lastname: Jang
authors.forename: Ru-Shi
authors.initials: RS
authors.lastname: Liu
authors.forename: Bing-Ming
authors.initials: BM
authors.lastname: Cheng
mesh_terms: D017609:Barium Compounds / Q000138:chemical synthesis*; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008029:Lighting / Q000295:instrumentation*; D049408:Luminescent Agents / Q000138:chemical synthesis*; D015203:Reproducibility of Results; D012666:Semiconductors; D012680:Sensitivity and Specificity
chemical_list: D017609:Barium Compounds; D049408:Luminescent Agents