One-pot hydrothermal synthesis of mesoporous silica nanoparticles using formaldehyde as growth suppressant

Lin Gu, Anfeng Zhang, Keke Hou, Chengyi Dai, Shuguang Zhang, Min Liu, Chunshan Song, Xinwen Guo

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

An effective one-pot hydrothermal synthesis method based on suppressed growth strategy was invented to produce mesoporous silica nanoparticles (MSNs). In a TEOS-CTAB-NH 4OH-water-formaldehyde system, formaldehyde was used as suppressant which formed a polymer shell on the outer surface of the MSNs to control the particle size to about 30 nm. A nanoporous carbon framework was obtained when precursor was carbonized in N 2 followed by a HF leaching of the silica. The pore size of the carbon was about 30 nm. The mechanism for the synthesis process was described.

Original languageEnglish (US)
Pages (from-to)9-15
Number of pages7
JournalMicroporous and Mesoporous Materials
Volume152
DOIs
StatePublished - Apr 1 2012

All Science Journal Classification (ASJC) codes

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

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