Chemical coating of the aluminum oxides onto mesoporous silicas by a one-pot grafting method

Yi Hsin Liu, Hong Ping Lin, Chung Yuan Mou, Bo Wen Cheng, Chi Feng Cheng

研究成果: 雜誌貢獻文章

3 引文 斯高帕斯(Scopus)

摘要

Using a suitable solvent (such as, 1-propanol) that prevents the self-condensation of aluminum iso-propoxide and extract the quaternary ammonium surfactant out of the nanochannels, a high-coverage aluminum oxide (Al/Si = 0.3-0.5) can be chemically coated onto acid-made mesoporous silica. The aluminum oxide coated mesoporous silica has the both advantages of aluminum oxide (highly hydrothermal stability) and mesoporous materials (large pore size of 2.7 nm, high surface area of around 800 m2/g, and well-ordered mesostructure). With the well-dispersity, high accessibility and large pore size, the aluminum oxide coated mesoporous silica was supposed to be an acid-catalyst for large molecules.

原文英語
頁(從 - 到)311-314
頁數4
期刊Studies in Surface Science and Catalysis
146
DOIs
出版狀態已發佈 - 2003 一月 1

ASJC Scopus subject areas

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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