Controlling nanostructure in periodic mesoporous hexylene-bridged polysilsesquioxanes

Derong Lin, Lijiang Hu, Stephanie H. Tolbert, Zhe Li, Douglas A Loy

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Abstract Periodic mesoporous bridged polysilsesquioxane (PMBPS) materials are hybrid organic inorganic materials with long range order and porosity between 1-15 nm length scales and great promise as adsorbents and chromatographic materials. In this study, we describe the preparation and optimization of a class of PMBPS with hexylene-bridging groups and cubic Pm3n symmetry. These hexylene-PMBPSs were prepared by surfactant templating of the sol-gel polymerization of 1,6-bis(triethoxysilyl)hexane (BESH) with cetyltrimethylammonium bromide (CTAB) and N-(3-trimethylammoniumpropyl)hexadecylammonium dibromide (C16-3-1). Powder X-ray diffraction (XRD) and nitrogen adsorption data were used to ascertain the influence on the mesostructure as a function of monomer concentration and aging duration, and aging temperature.

Original languageEnglish (US)
Article number17338
Pages (from-to)6-11
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume419
DOIs
StatePublished - Jul 1 2015

Fingerprint

Nanostructures
Aging of materials
dibromides
inorganic materials
Hybrid materials
Hexanes
Hexane
adsorbents
Surface-Active Agents
X ray powder diffraction
Adsorbents
Sol-gels
bromides
Surface active agents
Nitrogen
polymerization
monomers
Porosity
Monomers
surfactants

Keywords

  • Hexylene-bridged
  • Organosilica
  • Periodic mesoporous bridged polysilsequioxane
  • Surfactant templating

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

Cite this

Controlling nanostructure in periodic mesoporous hexylene-bridged polysilsesquioxanes. / Lin, Derong; Hu, Lijiang; Tolbert, Stephanie H.; Li, Zhe; Loy, Douglas A.

In: Journal of Non-Crystalline Solids, Vol. 419, 17338, 01.07.2015, p. 6-11.

Research output: Contribution to journalArticle

Lin, Derong ; Hu, Lijiang ; Tolbert, Stephanie H. ; Li, Zhe ; Loy, Douglas A. / Controlling nanostructure in periodic mesoporous hexylene-bridged polysilsesquioxanes. In: Journal of Non-Crystalline Solids. 2015 ; Vol. 419. pp. 6-11.
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AB - Abstract Periodic mesoporous bridged polysilsesquioxane (PMBPS) materials are hybrid organic inorganic materials with long range order and porosity between 1-15 nm length scales and great promise as adsorbents and chromatographic materials. In this study, we describe the preparation and optimization of a class of PMBPS with hexylene-bridging groups and cubic Pm3n symmetry. These hexylene-PMBPSs were prepared by surfactant templating of the sol-gel polymerization of 1,6-bis(triethoxysilyl)hexane (BESH) with cetyltrimethylammonium bromide (CTAB) and N-(3-trimethylammoniumpropyl)hexadecylammonium dibromide (C16-3-1). Powder X-ray diffraction (XRD) and nitrogen adsorption data were used to ascertain the influence on the mesostructure as a function of monomer concentration and aging duration, and aging temperature.

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