TITLE:
Photoluminescent Properties of CoMoO4 Nanorods Quickly Synthesized and Annealed in a Domestic Microwave Oven
AUTHORS:
Ana P. de Moura, Larissa H. de Oliveira, Paula F. S. Pereira, Ieda L. V. Rosa, Máximo S. Li, Elson Longo, José A. Varela
KEYWORDS:
Photoluminescence; Nanorods; Molybdates; Microwave-Hydrothermal Method
JOURNAL NAME:
Advances in Chemical Engineering and Science,
Vol.2 No.4,
November
1,
2012
ABSTRACT: A simple way to prepare α- and β-CoMoO4 nanorods is reported in this paper. CoMoO4xH2O nanorod precursors were obtained using the microwave-assisted hydrothermal (MAH) method. By annealing the as-prepared CoMoO44xH2O precursor at 600℃ for 10 min in a domestic microwave oven, α- and β-CoMoO4 nanorods were prepared. These powders were analyzed by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Fourier transform Raman microscopy and ultraviolet visible absorption spectroscopy (UV-vis spectra) as well as photoluminescence (PL) measurements. Based on the results, these materials revealed nanorod morphology. PL spectra obtained at room temperature for α- and β-CoMoO4 particles exhibited maximum components around the blue light emission. The results show that the domestic microwave oven has been successfully employed to obtain α- and β-CoMoO4 nanoparticles.