Novel Preparation Method and Luminescent Properties of Eu3+ Doped CdWO4 Nanorod

Fang Lei; Hao Hong Chen; Ying Shi; Jian Jun Xie; He Feng

doi:10.4028/www.scientific.net/AMR.652-654.664

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 652-654Novel Preparation Method and Luminescent...

Novel Preparation Method and Luminescent Properties of Eu³⁺ Doped CdWO₄ Nanorod

Abstract:

Eu³⁺ doped CdWO₄ nanorods, with nearly uniform nanoscale was synthesized via a novel simple hydrothermal method easy for commercial run at 160 °C, of which the average dimensions are about 250, 50 and 20 nm in length, width and height respectively from the result of transmission electron microscopy (TEM). Powder X-ray diffraction (PXRD) pattern shows the product is pure wolframite structure. Different from undoped products showed brilliant blue-green irradiation and block crystals with multi-emission bands in red light range, the Eu doped nanorods give preferred strong ⁵D₀→⁷F₂ transition and are excellent red phosphor with high color purity supported by the photoluminescent (PL) measurements and ultraviolet visible diffuse reflectance spectroscopy (UV-Vis DRS). This suggests that a combination of the Eu³⁺ doped and undoped products are potential to realize the white lighting LED with blue, green and red components.

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

664-668

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.664

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Online since:

January 2013

Authors:

Fang Lei, Hao Hong Chen, Ying Shi, Jian Jun Xie, He Feng

Keywords:

Cadmium Tungstate, Hydrothermal Synthesis, Nanorod, Phosphor

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