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Effect factors in the preparation of silica spheres by two-step method

  • Yong Wan*
  • , Zhong Yu Cai
  • , Xiu Song Zhao
  • , Hong Liang Li
  • , Lin Hua Xia
  • *Corresponding author for this work
  • Qingdao University
  • National University of Singapore

Research output: Contribution to journal › Article › peer-review

Abstract

Silica spheres were synthesized by a two-step method. It has been demonstrated that the addition ratio of ammonia catalyst influences the morphologies and the shape of the SiO2 spheres. The sizes of the silica spheres are mainly depended on the ratio of the TEOS reagents for both the initial beads and the final silica spheres. It has also been pointed out how to measurement the mass and volume percentages for the silica in the paper.

Original languageEnglish
Pages (from-to)734-736
Number of pages3
JournalGongneng Cailiao/Journal of Functional Materials
Volume42
Issue number4
StatePublished - Apr 2011
Externally publishedYes

Keywords

  • Ammonia
  • Silica
  • Spheres
  • TEOS
  • Two-step method

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