Synthesis of Heteroatom Substituted SBA-15 by the "pH-Adjusting" Method

Shuo Wu, Yu Han, Yong Cun Zou, Jiang Wei Song, Lan Zhao, Yan Di, Shu Zhen Liu, Feng Shou Xiao*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

292 Citations (SciVal)


A simple and effective method denoted "pH-adjusting" is used to graft a large amount of heteroatoms such as Al and Ti to mesoporous silica material SBA-15. The products prepared by this method show highly ordered mesostructures with large surface areas and uniform mesopore size distribution. The results of ICP, EDX, 27Al NMR, calcium ion-exchange capacity, and UV-vis spectra show that almost all the heteroatoms added into the initial reaction mixture can be introduced into the products, and moreover, the heteroatoms introduced by this route locate at mainly tetrahedrally coordinated sites.

Original languageEnglish (US)
Pages (from-to)486-492
Number of pages7
JournalChemistry of Materials
Issue number3
StatePublished - Feb 10 2004

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry


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