Rugby-ball-shaped Na0.5La0.5MoO4:Eu3+ 3D architectures: synthesis, characterization, and their luminescence behavior
Abstract
Abstract
Three-dimensional self-assembled rugby-ball-shaped microarchitectures of tetragonal Na
0.5
La
0.5
MoO
4
:Eu
3+
crystal structure were synthesized by facile hydrothermal method at 200°C for 8 h using ethylenediaminetetraacetic acid (EDTA) as surfactant. Structure and morphology of Na
0.5
La
0.5
MoO
4
:Eu
3+
were investigated by X-ray diffraction and scanning electron microscopy. In the hydrothermal process, EDTA not only acts as a chelating reagent to facilitate the formation of Na
0.5
La
0.5
MoO
4
:Eu
3+
but also acts as a surface capping agent to adhere to the newly created surface and to promote crystal splitting. The molar concentration of EDTA plays an important role and can effectively tune the size of the particles. Photoluminescence study reveals that hierarchical structures of Na
0.5
La
0.5
MoO
4
:Eu
3+
show a strong emission in the red region under 395-nm UV excitation.
Keywords
- Hydrothermal method,
- Scheelite tetragonal structure,
- FTIR,
- Scanning electron microscope
References
- Law et al. (2004) Nanoribbon waveguides for subwavelength photonics integration (pp. 1269-1273) https://doi.org/10.1126/science.1100999
- Duan et al. (2005) Magnetic colloidosomes derived from nanoparticle interfacial self-assembly (pp. 949-952) https://doi.org/10.1021/nl0505391
- Hu et al. (1999) Controlled growth and electrical properties of heterojunctions of carbon nanotubes and silicon nanowires (pp. 48-51) https://doi.org/10.1038/19941
- Shen et al. (2008) Luminescent rare earth nanomaterials for bioprobe applications (pp. 5687-5697) https://doi.org/10.1039/b805306e
- Thirumalai et al. (2013) Controlled synthesis, formation mechanism and luminescence properties of novel 3-dimensional Gd2(MoO4)3:Eu3+ nanostructures (pp. 253-2599) https://doi.org/10.1007/s10854-012-0725-6
- Yang et al. (2011) Synthesis and luminescent properties of NaLa(MoO4)2:Eu3+ shuttle-like nanorods composed of nanoparticles (pp. 4046-4052) https://doi.org/10.1039/c0ce00822b
- Huang et al. (2011) Self-assembled 3D flower-like NaY(MoO4)2:Eu3+ microarchitectures: hydrothermal synthesis, formation mechanism and luminescence properties (pp. 777-782) https://doi.org/10.1016/j.optmat.2010.12.015
- Huang et al. (2012) Controllable synthesis and tunable luminescence properties of Y2(WO4)3:Ln3+ (Ln = Eu, Yb/Er, Yb/Tm and Yb/Ho) 3D hierarchical architectures (pp. 5634-5642) https://doi.org/10.1039/c2dt30221g
- Fang et al. (2003) Hydrothermal synthesis of rare earth (Tb, Y) hydroxide and oxide nanotubes (pp. 955-960) https://doi.org/10.1002/adfm.200304470
- Dhas and Suslick (2005) Sonochemical preparation of hollow nanospheres and hollow nanocrystals (pp. 2368-2369) https://doi.org/10.1021/ja049494g
- Ryu et al. (2005) Microwave-assisted synthesis of CaMoO4 nano-powders by a citrate complex method and its photoluminescence property (pp. 245-249) https://doi.org/10.1016/j.jallcom.2004.07.064
- Gong et al. (2006) Novel shape evolution of BaMoO4 microcrystals (pp. 19295-19299) https://doi.org/10.1021/jp0634205
- Kuz’micheva et al. (2010) Symmetry of (Na0.5R0.5) MO4 crystals (Ra = Gd, La; M = W, Mo) (pp. 1148-1453)
- Zheng Liang et al. (2008) NaEu0.96Sm0.04(MoO4)2 as a promising red-emitting phosphor for LED solid-state lighting prepared by the Pechini process (pp. 147-154) https://doi.org/10.1016/j.jlumin.2007.07.001
- Frost et al. (2008) Raman and infrared spectroscopic study of the molybdate containing uranyl mineral calcurmolite (pp. 779-785) https://doi.org/10.1002/jrs.1897
10.1186/2193-8865-3-14