title: [Investigation of synthesis and luminescent properties of the Sr2CeO4: Dy3+].
abstract: In the present article, Sr2CeO4:Dy3+ was synthesized with N,N-methylene bisacrylamide (MBAA) as the net agent. The structure, morphology and luminescent properties were also characterized. It is indicated that Sr2CeO4:Dy3+ was single-phased without other phase existing and also had good dispersion The UV-visible absorption spectra suggested that the absorption bands were almost at 480 nm. The excitation spectrum for 270 nm emission has several excitation bands; The emission spectrum of Sr2 CeO4:Dy3+ shows two broad bands at 292 and 338 nm under the 370 nm excitation. The effects of Dy3+ doping concentration on the emission spectrum intensity of Sr2 CeO4:Dy3+ were also studied, the results showed that the ratio of yellow emission to blue emission increases with increasing the D/3+ doping concentration, but with increasing the Dy3+ doping concentration, the emission intensity firstly increased, then decreased, and the maximal emission intensity was at 0.4 mol% Dy3+ concentration.
authors.affiliation: College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China. 407469491@qq.com
authors.forename: Li
authors.initials: L
authors.lastname: Wang
authors.forename: Jie
authors.initials: J
authors.lastname: Li
authors.forename: Hua
authors.initials: H
authors.lastname: Wang
authors.forename: He-Feng
authors.initials: HF
authors.lastname: Zhou
authors.forename: Shu-Quan
authors.initials: SQ
authors.lastname: Zhang
authors.forename: Shu-Hao
authors.initials: SH
authors.lastname: Wang
authors.forename: Bing-She
authors.initials: BS
authors.lastname: Xu