One-dimensional GdVO{sub 4}:Ln{sup 3+} (Ln=Eu, Dy, Sm) nanofibers: Electrospinning preparation and luminescence properties

Journal Article · Sat Jan 15 00:00:00 EST 2011 · Journal of Solid State Chemistry

DOI:https://doi.org/10.1016/j.jssc.2010.11.019· OSTI ID:21494181

Li, Xue; Yu, Min ^[1]; Hou, Zhiyao; Li, Guogang; Ma, Ping'an; Wang, Wenxin; Cheng, Ziyong ^[1]; Lin, Jun ^[1]

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1. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 (China)

One-dimensional GdVO{sub 4}:Ln{sup 3+} (Ln=Eu, Dy, Sm) nanofibers have been prepared by a combination method of sol-gel process and electrospinning technology. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), thermogravimetric and differential thermal analysis (TG-DTA), scanning electron microscopy (SEM), transmission electron microscopy (TEM), photoluminescence (PL), quantum efficiency (QE), and cathodoluminescence (CL) spectra as well as kinetic decays were used to characterize the samples. The XRD, FT-IR, and TG-DTA results show that GdVO{sub 4}:Ln{sup 3+} nanofibers samples crystallize at 700 {sup o}C. SEM images indicate that the as prepared precursor fibers are smooth. After being calcined at 700 {sup o}C for 4 h, the fibers still maintain their fiberlike morphology with rough surface. TEM image further manifests that the GdVO{sub 4}:Ln{sup 3+} nanofibers consist of nanoparticles. Under ultraviolet excitation and low-voltage electron beam excitation, GdVO{sub 4}:Ln{sup 3+} phosphors showed their strong characteristic emission due to an efficient energy transfer from vanadate groups to dopants. The optimum doping concentration of Ln{sup 3+} in the GdVO{sub 4} nanofibers also has been investigated. -- Graphical abstract: Display Omitted Research Highlights: {yields}1D and Q-1D GdVO{sub 4} fiber-like nanostructures were prepared electrospinning technique. {yields}Under ultraviolet excitation and electron beam excitation, the Ln{sup 3+} ions show their characteristic emissions, respectively. {yields}The quantum efficiencies are 14 (Eu{sup 3+}), 6 (Dy{sup 3+}), and 5 % (Sm{sup 3+}) in GdVO{sub 4}, respectively.

• OSTI ID: 21494181
• Journal Information: Journal of Solid State Chemistry, Vol. 184, Issue 1; Other Information: DOI: 10.1016/j.jssc.2010.11.019; PII: S0022-4596(10)00525-6; Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; ISSN 0022-4596
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
CATHODOLUMINESCENCE
DIFFERENTIAL THERMAL ANALYSIS
DOPED MATERIALS
DYSPROSIUM IONS
ELECTRON BEAMS
EUROPIUM IONS
EXCITATION
FIBERS
GADOLINIUM COMPOUNDS
INFRARED SPECTRA
NANOSTRUCTURES
PHOTOLUMINESCENCE
QUANTUM EFFICIENCY
SAMARIUM IONS
SCANNING ELECTRON MICROSCOPY
SOL-GEL PROCESS
THERMAL GRAVIMETRIC ANALYSIS
TRANSMISSION ELECTRON MICROSCOPY
ULTRAVIOLET RADIATION
VANADATES
X-RAY DIFFRACTION
BEAMS
CHARGED PARTICLES
CHEMICAL ANALYSIS
COHERENT SCATTERING
DIFFRACTION
EFFICIENCY
ELECTROMAGNETIC RADIATION
ELECTRON MICROSCOPY
EMISSION
ENERGY-LEVEL TRANSITIONS
GRAVIMETRIC ANALYSIS
IONS
LEPTON BEAMS
LUMINESCENCE
MATERIALS
MICROSCOPY
OXYGEN COMPOUNDS
PARTICLE BEAMS
PHOTON EMISSION
QUANTITATIVE CHEMICAL ANALYSIS
RADIATIONS
RARE EARTH COMPOUNDS
SCATTERING
SPECTRA
THERMAL ANALYSIS
TRANSITION ELEMENT COMPOUNDS
VANADIUM COMPOUNDS