PlumX Metrics
Embed PlumX Metrics

Non-aqueous template-assisted synthesis of mesoporous nanocrystalline silicon orthophosphate

RSC Advances, ISSN: 2046-2069, Vol: 5, Issue: 90, Page: 73670-73676
2015
  • 19
    Citations
  • 0
    Usage
  • 21
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    19
    • Citation Indexes
      19
  • Captures
    21

Article Description

The first synthesis of mesoporous nanocrystalline silicon orthophosphate SiPO is presented. The synthetic procedure is based on the non-hydrolytic sol-gel reaction in the presence of Pluronic P123 template and subsequent calcination in air. The condensation of silicon acetate, Si(OAc), and tris(trimethylsilyl)phosphate, OP(OSiMe) (TTP), in non-aqueous solvents driven by elimination of trimethylsilyl acetate provides a homogeneous network with a high content of Si-O-P bonds and SiO moieties. After burning out the template, mesoporous silicon orthophosphate was obtained with surface areas up to 128 m g and pore sizes around 20 nm. The nanocrystalline SiPO phase forms relatively easily (500 °C, 4 h) in comparison with other synthetic routes. All samples were characterized by SEM, TEM, elemental analysis, TGA, nitrogen adsorption, SAXS, H, C, Si, and P solid-state NMR spectroscopy, and powder XRD. These xerogels showed superior catalytic activity and selectivity in methylstyrene dimerization.

Provide Feedback

Have ideas for a new metric? Would you like to see something else here?Let us know