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Citation: PANG Li-Ping, ZHAO Rui-Hong, GUO Fen, CHEN Jian-Feng, CUI Wen-Guang. Preparation and Characterization of Novel Alumina Hollow Spheres[J]. Acta Physico-Chimica Sinica, ;2008, 24(06): 1115-1119. doi: 10.3866/PKU.WHXB20080636 shu

Preparation and Characterization of Novel Alumina Hollow Spheres

1.
Key Laboratory for Nanomaterials, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, P. R. China; School of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, P. R. China; College of Chemical Engineering, Shijiazhuang University, Shijiazhuang 050035, P. R. China

Received Date: 23 January 2008
Available Online: 10 April 2008

Novel size-tunable alumina hollow spheres were successfully prepared using colloidal carbon spheres as templates and aluminum nitrate as alumina source. The samples were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), and X-ray diffraction (XRD). The influences of the synthesis conditions such as reaction time, reaction temperature, and the concentration of Al(NO3)3 were studied. According to the experiment, the synthesized alumina hollow spheres with a narrow size distribution showed tunable shell thickness and uniform shell. The morphology of the alumina hollow spheres was influenced mainly by the reaction temperature.
- Colloidal carbon spheres; Templates; Alumina; Hollow spheres
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