Mesoporous silica nanoparticles with remarkable stability and dispersibility for antireflective coatings

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

doi:10.1021/cm902239a

Mesoporous silica nanoparticles with remarkable stability and dispersibility for antireflective coatings

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

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

122 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 language	English
Pages (from-to)	12-14
Number of pages	3
Journal	Chemistry of Materials
Volume	22
Issue number	1
DOIs	https://doi.org/10.1021/cm902239a
Publication status	Published - 2010 Jan 12

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Chemistry

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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.",

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AU - Hoshikawa, Yasuto

AU - Yabe, Hiroki

AU - Nomura, Atsuro

AU - Yamaki, Takeyuki

AU - Shimojima, Atsushi

AU - Okubo, Tatsuya

PY - 2010/1/12

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N2 - 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.

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