Synthesis and characterization of bundle-like structures consisting of single crystal Ce(OH)CO_3 nanorods

摘要

Bundle-like structures consisting of single crystal cerium hydroxide carbonate (Ce(OH)CO_3) nanorods have been synthesized successfully by a hydrothermal method at 100℃ using cerium nitrate (Ce(NO_3)_3·6H_2O) as the cerium source, aqueous carbamide both as an alkaline and carbon source and cetyltrimethylammonium bromide (CTAB) as surfactant. X-ray powder diffraction (XRD), field-emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM) were used to characterize such bundle-like structures. SEM and TEM images show that Ce(OH)CO_3 bundle-like structures were composed of nanorods with diameters of ～ 100 nm. The XRD pattern and electron diffraction (ED) pattern indicate that Ce (OH)CO_3 has a pure orthorhombic single crystal structure.