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Preparation of Ethenylene-Silica Hollow Spheres with a Single-Layer of Mesopores Using a Chiral Amphiphile

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Abstract:

A chiral cationic low-molecular-weight amphiphile, derived from L-phenylalanine, was synthesized. It can gel benzene, toluene and chlorobenzene and cause viscous liquids in deionized water and tetrahydrofuran. Ethenylene-silica hollow nanospheres with a single-layer of pore channels in their shells were prepared using the self-assemblies of this amphiphile as templates. Small angle X-ray diffraction pattern indicated that the pore channels did not arrange in a high degree of order. The formation of this hierarchical porous structure was studied by taking TEM images after different reaction time. It was found that the morphologies of the amphiphile-ethenylene-silica assemblies changed gradually during the sol–gel transcription process. Moreover, silica hollow spheres were also prepared using this amphiphiles.

Keywords: AMPHIPHILE; CHIRAL; ETHENYLENE-SILICA; HOLLOW SPHERE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3825

Publication date: May 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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