期刊
JOURNAL OF NANO RESEARCH
卷 45, 期 -, 页码 185-192出版社
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/JNanoR.45.185
关键词
Microspheres; Flowerlike; Self-assembly; Calcium Citrate
资金
- National Natural Science Youth Foundation of China [NSFC 51003008]
- Cooperation Key Projects between State-Owned Enterprises and Universities of Sichuan Province [80303-SZL021]
Three-dimensional (3D) flowerlike calcium citrate microspheres assembled from nanosheets were successfully synthesized through a soft chemical method. The phase structure, morphology and microstructure of the synthesized products were characterized by the SEM, XRD, infrared and Raman spectroscopy. The characterization results indicated that the well-organized products with the diameter ranging from 10 to 30 mu m were composed of nanosheet precursors (50 similar to 500nm-50 similar to 200nm-8 similar to 30nm). The (200) crystal plane was the preferential growth face in the self-assembly process and the sheet precursors could be progressively transformed into consecutive strip with continuous heating treatment. The novel flowerlike calcium citrate microspheres with controllable morphology shows potential application prospect in biomaterials or other fields.
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