Interfacial fabrication of silica hollow particles in a reverse emulsion system

Chemistry Letters

Volumn 34, Issue 10, 2005, Pages 1314-1315

  Song, Linyong ^a   Ge, Xuewu ^a   Zhang, Zhicheng ^a  

^a UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA   (China)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 29344464155     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2005.1314     Document Type: Article

References (18)

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18. Experiments and Characterizaion: Reverse emulsion was prepared by mixing 5 mL of aqueous solution of 0.37 g of CTAB with 25.0 mL of kerosene solution of 2.0 g of OP-4 and 0.37 g of dodecylamine under continually stirring. Hollow silica particles were then prepared at room temperature by adding 9.32 g of TEOS to the reverse emulsion and the reaction was continually stirred 24 h. Finally, ethanol was added into the reverse emulsion to precipitate the silica particles. The morphology of silica particles was studied by FESEM (JEOL JSM-6700) and TEM (Hitachi H-800). The control experiments (Entries 1-3 in Table 1) were conducted under the same conditions except the use of different surfactants and basic catalysts.