期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 120, 期 1, 页码 10-13出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2009.11.026
关键词
Biomaterials; Inorganic compounds; Nanostructures; Crystal growth
资金
- National Natural Science Foundation of China [20771005, 20571002]
- Science and Technological Fund of Anhui Province for Outstanding Youth [08040106834]
Dumbbell-shaped barium carbonate superstructures were successfully synthesized in the aqueous system containing egg albumin and ethylenediaminetetraacetate disodium (EDTA-2Na), employing BaCl2, NaHCO3 and NH3 center dot H2O as the starting reagents. The as-prepared product was characterized by X-ray powder diffraction (XRD), energy dispersive spectrometry (EDS), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). Some factors influencing the morphology of BaCO3 crystals, such as the time, the amounts of egg albumin and EDTA-2Na, were studied. Experimental facts showed that a proper amount of egg albumin and EDTA-2Na played crucial roles in the formation of dumbbell-shaped BaCO3 superstructures. (C) 2009 Elsevier B.V. All rights reserved.
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