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H . Y. HE1,*
Hubnerite MnWO4 powders have been synthesized by aqueous reaction. The MnWO4 films were deposited on p-Si substrate with an electrophoretic process. The powders and film were characterized by X Ray diffractomet ion ( XRD), scanning electro n microscopy (SEM), transmission electron microscop y (TEM) and photoluminescence spectral analysis. Single phase MnWO4 powders with monoclinic hubnerite structure can be directly formed from the aqueous solutions at room temperature. TEM micrograph indicated that powders had uniform rodlike morphology with particle size about 32 nm. The powders exhibited a broad blue-green emission band centered at 462.7 nm (2.68 eV). The calcining at 400 obviously enhanced the excitation and emission, while the lattice parameter decreases and the surface smoothness increasesincreases. The film deposited on the cathode was more homogeneous continues compared to the films deposited on anode. The intensities in luminescence of the films were about one half of the powder.
MnWO4, Powders, Film, Electrophoretic deposition, Luminescence.
H . Y. HE, Luminescence property of aqueous reaction-derived MnWO4 powder and electrophoretic deposited thin film, Optoelectronics and Advanced Materials - Rapid Communications, 4, 10, October 2010, pp.1469-1472 (2010).
Submitted at: May 5, 2010
Accepted at: Oct. 14, 2010
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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