Abstract
Red emitting phosphor Ca3(VO4)2:Eu3+ was prepared by citric acid-assisted solution combustion method and characterized by X-ray diffraction (XRD), transmission
electron microscopy (TEM), and fluorescence spectrophotometer. The influences of Ca to V molar ratio and synthesis temperature
on phase composition, morphology, grain size, photofluorescence properties, and ultraviolet–visible diffuse reflectance spectra
(UV–Vis DRS) of as-synthesized samples were investigated. The results indicate that Ca to V molar ratio play a key role for
the changing of phase composition, excitation spectrum, and luminescence intensity. The sample prepared at 900 °C, keeping
Ca/V = 3:2.2, has the highest photoluminescence intensity. The possible causes of the effects on photoluminescence mechanism
were also discussed in this work.
electron microscopy (TEM), and fluorescence spectrophotometer. The influences of Ca to V molar ratio and synthesis temperature
on phase composition, morphology, grain size, photofluorescence properties, and ultraviolet–visible diffuse reflectance spectra
(UV–Vis DRS) of as-synthesized samples were investigated. The results indicate that Ca to V molar ratio play a key role for
the changing of phase composition, excitation spectrum, and luminescence intensity. The sample prepared at 900 °C, keeping
Ca/V = 3:2.2, has the highest photoluminescence intensity. The possible causes of the effects on photoluminescence mechanism
were also discussed in this work.
- Content Type Journal Article
- DOI 10.1007/s10853-010-4598-x
- Authors
- Kehui Qiu, Chengdu University of Technology Institute of Materials Science and Technology Chengdu 610059 Sichuan People’s Republic of China
- Junfu Li, Chengdu University of Technology Institute of Materials Science and Technology Chengdu 610059 Sichuan People’s Republic of China
- Junfeng Li, Chengdu University of Technology Institute of Materials Science and Technology Chengdu 610059 Sichuan People’s Republic of China
- Xueguang Lu, Chengdu University of Technology Institute of Materials Science and Technology Chengdu 610059 Sichuan People’s Republic of China
- Yingchun Gong, Chengdu University of Technology Institute of Materials Science and Technology Chengdu 610059 Sichuan People’s Republic of China
- Junhan Li, Chengdu University of Technology Institute of Materials Science and Technology Chengdu 610059 Sichuan People’s Republic of China
- Journal Journal of Materials Science
- Online ISSN 1573-4803
- Print ISSN 0022-2461
No comments:
Post a Comment