Luminescent properties of Sr2SiO4:Eu2+ nanorods for near-UV white LED

Chongfeng Guo*, Yan Xu, Feng Lv, Xu Ding

*Corresponding author for this work

Research output: Contribution to journalLetter

51 Citations (Scopus)

Abstract

Sr2SiO4: Eu2+ phosphor was prepared by a modified sol-gel method. The structure and the composition of the phosphor nanorods were characterized by powder X-ray diffraction (XRD) and energy dispersion spectrum (EDS). Field-emission scanning electron microscopy (FE-SEM) and photo-luminescent spectra were used to characterize the shape and the luminescent properties of phosphor particles. One-dimensional Sr2SiO4: Eu2+ nanorods were obtained, which shows intense blue-green emission under the excitation of near ultraviolet (n-UV) light (275-425 nm). It indicates that Sr2SiO4: Eu2+ phosphors are promising blue-green candidates for the n-UV white LEDs.

Original languageEnglish
Pages (from-to)L21-L24
Number of pages4
JournalJournal of Alloys and Compounds
Volume497
Issue number1-2
DOIs
Publication statusPublished - 14 May 2010

Keywords

  • Luminescence
  • Optical materials
  • Optical properties

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