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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Synthesis of BaCO3 Nanostructures with Different...

Synthesis of BaCO₃ Nanostructures with Different Morphologies in Water/Room-Temperature Ionic Liquids Mixed Solvents

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Abstract:

Barium carbonate (BaCO₃) crystals with different morphologies were synthesized using BaCl₂·2H₂O by a carbonation method in water/ionic liquids (ILs) mixed solvents. The as-prepared products were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM), and the results indicated that the types of ILs and the mole ratio of water to ILs played important roles in determining the morphologies of the products. The analysis of the XRD pattern showed that ILs had an influence on the crystallinity of BaCO₃. When the mole ratio of water to ILs increased, the size of BaCO₃ crystals increased and the morphology gradually changed from spherical to oval and rod-like. A microemulsion model was employed to explain this mechanism.

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Periodical:

Advanced Materials Research (Volumes 287-290)

Pages:

529-534

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.529

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Online since:

July 2011

Authors:

Feng Liu, Rong Yi Lin, Zhi Wang, Jie Liang

Keywords:

BaCO₃, Ionic Liquid (IL), Mechanism, Morpholoy

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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