Facile synthesis of B-MCM-41 with controlled morphologies using water-acetone media

Jinchang Zhang, Min Liu, Chunshan Song, Xinwen Guo

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

B-MCM-41 nanoparticles with controlled morphologies including nanorods and nanospheres have been synthesized in water-acetone media using cetyltrimethylammonium bromide (CTAB) as the template and boric acid as boron source. It was found that the total boron content in the product increases with reducing both the water-to-acetone molar ratios in the synthesis gel and hydrothermal temperature. The framework boron content rises with the increase in the hydrothermal temperature. From transmission electron microscopy (TEM) images, it was observed that mesoporous parallel channels run along the long axis in major areas in the nanorods, whereas the radially arranged mesopore channels are present in the nanospheres. Additionally, hydrothermal treatment leads to rougher surfaces while retaining the morphologies and nanostructures of these boron-containing mesoporous silicas.

Original languageEnglish (US)
Pages (from-to)31-37
Number of pages7
JournalMicroporous and Mesoporous Materials
Volume139
Issue number1-3
DOIs
StatePublished - Mar 1 2011

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials

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