期刊
MATERIALS RESEARCH BULLETIN
卷 47, 期 2, 页码 491-496出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2011.06.008
关键词
Inorganic compounds; Nanostructures; Optical materials; Chemical synthesis; Luminescence
资金
- NSFC [21003142]
- Chinese Academy of Sciences (CAS) [KSCX2-YW-G-059]
Monodisperse nanowires and arrays of YVO4: Eu3+ were synthesized by chemical precipitation method using anodic aluminum oxide template. Scanning electron microscope images indicated that YVO4: Eu3+ nanowires are parallelly arranged, all of which are in uniform diameter of about 50 nm. High-magnification transmission electron microscopy images showed that the nanowires are composed of a lot of agglutinating particles. X-ray diffraction patterns confirmed that YVO4: Eu3+ nanowires mainly consist of polycrystalline materials. Excitation and emission spectra of YVO4: Eu3+ composite films were measured. The characteristic red emission peak of Eu3+ ion attributed to the D-5(0)-F-7(2) transition in YVO4: Eu3+ nanowires broadened its half width. (C) 2011 Elsevier Ltd. All rights reserved.
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