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

8 Citations (Scopus)

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

Fingerprint

Hydrothermal synthesis
formaldehyde
Formaldehyde
Silicon Dioxide
Silica
Nanoparticles
silicon dioxide
nanoparticles
Carbon
synthesis
carbon
leaching
Leaching
Pore size
Polymers
Particle size
porosity
Water
polymers
water

All Science Journal Classification (ASJC) codes

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

Cite this

Gu, Lin ; Zhang, Anfeng ; Hou, Keke ; Dai, Chengyi ; Zhang, Shuguang ; Liu, Min ; Song, Chunshan ; Guo, Xinwen. / One-pot hydrothermal synthesis of mesoporous silica nanoparticles using formaldehyde as growth suppressant. In: Microporous and Mesoporous Materials. 2012 ; Vol. 152. pp. 9-15.
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One-pot hydrothermal synthesis of mesoporous silica nanoparticles using formaldehyde as growth suppressant. / Gu, Lin; Zhang, Anfeng; Hou, Keke; Dai, Chengyi; Zhang, Shuguang; Liu, Min; Song, Chunshan; Guo, Xinwen.

In: Microporous and Mesoporous Materials, Vol. 152, 01.04.2012, p. 9-15.

Research output: Contribution to journalArticle

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AU - Liu, Min

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