Mesoporous silica nanoparticles with remarkable stability and dispersibility for antireflective coatings

Yasuto Hoshikawa, Hiroki Yabe, Atsuro Nomura, Takeyuki Yamaki, Atsushi Shimojima, Tatsuya Okubo

Research output: Contribution to journalArticle

115 Citations (Scopus)

Abstract

The preparation of mesoporous silica nanoparticles (MSN) in alcohols by simultaneous trimethylsilylation and surface extraction with its use for the fabrication of nanocomposite films was analyzed. Mesostructured silica-surfactant composite nanoparticles (SSN) were prepared from a mixture of tetraethoxysilane (TEO), cetyltrimethylammonium bromide (CTAB), water, ethylene glycol (EG) by stirring at 333 K for 4 h. X-ray diffraction (XRD) pattern of trimethylsilylation (TMS)-MSNs prepared without TMB revealed that it could act as a swelling agent to increase the diameter of the cylindrical assemblies in the system. Transmission electron microscopic (TEM) images showed discrete spherical particles with either well-ordered hexagonal dot patterns or striped patterns. The nitrogen adsorption-desorption measurements revealed the highly porous nature of TMS-MSNs and also showed that the characteristics properties of TMS-MSNs are suitable for the fabrication of nanocomposite films for the low refractive index materials.

Original languageEnglish
Pages (from-to)12-14
Number of pages3
JournalChemistry of Materials
Volume22
Issue number1
DOIs
Publication statusPublished - 2010 Jan 12
Externally publishedYes

Fingerprint

Nanocomposite films
Silicon Dioxide
Silica
Nanoparticles
Fabrication
Coatings
Ethylene Glycol
Ethylene glycol
Surface-Active Agents
Diffraction patterns
Swelling
Desorption
Refractive index
Alcohols
Surface active agents
Nitrogen
Adsorption
X ray diffraction
Electrons
Water

ASJC Scopus subject areas

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

Cite this

Mesoporous silica nanoparticles with remarkable stability and dispersibility for antireflective coatings. / Hoshikawa, Yasuto; Yabe, Hiroki; Nomura, Atsuro; Yamaki, Takeyuki; Shimojima, Atsushi; Okubo, Tatsuya.

In: Chemistry of Materials, Vol. 22, No. 1, 12.01.2010, p. 12-14.

Research output: Contribution to journalArticle

Hoshikawa, Yasuto ; Yabe, Hiroki ; Nomura, Atsuro ; Yamaki, Takeyuki ; Shimojima, Atsushi ; Okubo, Tatsuya. / Mesoporous silica nanoparticles with remarkable stability and dispersibility for antireflective coatings. In: Chemistry of Materials. 2010 ; Vol. 22, No. 1. pp. 12-14.
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