The syntheses of thin layers of organosilica by the co-condensation of tetraethoxysilane and phenyltriethoxysilane in the presence of cationic surfactant

Ryouya Hashimoto, Yasuhiro Tsuji, Makoto Ogawa

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Thin layers (with the thickness of several tens of nanometers) of silica-surfactant hybrids were deposited on flat glass substrate from aqueous methanol solution of tetraethoxysilane, phenyltriethoxysilane, alkyltrimethylammonium chloride, and ammonia by the reaction at room temperature. Multilayered films were deposited on flat substrates by repeating the film preparation procedure. Due to the reproducible syntheses, the films are possible candidates as scaffold of sensor and photonic coatings. A hexagonal platy core-shell particle with a hydrotalcite core and organosilica shell was also synthesized by the reaction of hydrotalcite with aqueous methanol solution containing tetraethoxysilane, hexadecyltrimethylammonium chloride, and ammonia. A hollow hexagonal platy particle was obtained by removing the hydrotalcite from the core-shell particle by acidic leaching. The organosilica-coated particles may affect the anion exchange selectivity of hydrotalcite, and the organosilica hollow particle is possible candidate as a new class of carried due to the unique platy particle shape.

Original languageEnglish
Pages (from-to)2195-2200
Number of pages6
JournalJournal of Materials Science
Volume47
Issue number5
DOIs
Publication statusPublished - 2012 Mar

Fingerprint

hydrotalcite
Cationic surfactants
Condensation
Ammonia
Methanol
Film preparation
Polymers
Substrates
Scaffolds
Photonics
Leaching
Chlorides
Ion exchange
Surface active agents
Negative ions
Silica
Glass
Coatings
Sensors
Surface-Active Agents

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

The syntheses of thin layers of organosilica by the co-condensation of tetraethoxysilane and phenyltriethoxysilane in the presence of cationic surfactant. / Hashimoto, Ryouya; Tsuji, Yasuhiro; Ogawa, Makoto.

In: Journal of Materials Science, Vol. 47, No. 5, 03.2012, p. 2195-2200.

Research output: Contribution to journalArticle

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