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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 864-867Optical Property Studies of CdO Nanoparticles...

Optical Property Studies of CdO Nanoparticles Synthesized by Solid-State Reaction

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Abstract:

CdO nanoparticles with different sizes were synthesized by a simple thermal decomposition reaction of the precursor CdCO₃, which was synthesized by room-temperature grinding reaction between Cd(CH3COO)₂•2H₂O and Na₂CO₃. Composition, structure and morphology of the products were analyzed and characterized by XRD, TG and FTIR spectra. Formation of CdO nanoparticles was thought that nucleation rate of the reactive system was far excess growth rate of particle. Optical properties of the products were recorded, and the UV-vis spectra exhibited the distinct blue shift in comparison with them of the bulk CdO, which was because that the quantum confinement effect of the products could be larger than the Coulomb effect. PL spectra of the products showed the emission bands around 520 and 720 nm respectively, which attributed to the quantum size effect and structural defects in the crystals.

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Periodical:

Advanced Materials Research (Volumes 864-867)

Pages:

625-630

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.864-867.625

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Online since:

December 2013

Authors:

Hong Ju Guo, Chun Fang Wang, Jin Song Liu*

Keywords:

CdO Nanoparticles, Optical Property, Thermal Decomposition Reaction

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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