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  • Electron-Tomography Determination of the Packing Structure of Macroporous Ordered Siliceous Foams Assembled From Vesicles

    Author(s)
    Yuan, Pei
    Zhou, Xufeng
    Wang, Hongning
    Liu, Nian
    Hu, Yifan
    Auchterlonie, Groeme J
    Drennan, John
    Yao, Xiangdong
    Lu, Gao Qing Max
    Zou, Jin
    Yu, Chengzhong
    Griffith University Author(s)
    Yao, Xiangdong
    Year published
    2009
    Metadata
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    Abstract
    The packing structures of macroporous ordered siliceous foams (MOSFs) are systematically investigated by using a 3D electron tomography technique and the nanostructural characteristics for layered MOSFs are resolved. MOSF materials adopt an ordered 2D hexagonal arrangement in single-layered areas, regular honeycomb patterns in double-layered samples, and polyhedric cells similar to a Weaire-Phelan structure in multilayered areas, all following the principle of minimizing surface area, which is well understood in soap foams at the macroscopic scale. In surfactant-templated materials, liquid-crystal templating is generally ...
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    The packing structures of macroporous ordered siliceous foams (MOSFs) are systematically investigated by using a 3D electron tomography technique and the nanostructural characteristics for layered MOSFs are resolved. MOSF materials adopt an ordered 2D hexagonal arrangement in single-layered areas, regular honeycomb patterns in double-layered samples, and polyhedric cells similar to a Weaire-Phelan structure in multilayered areas, all following the principle of minimizing surface area, which is well understood in soap foams at the macroscopic scale. In surfactant-templated materials, liquid-crystal templating is generally applied, but here it is revealed that the surface-area-minimization principle can also be applied, which facilitates the design and synthesis of novel macroporous materials using surfactant molecules as templates.
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    Journal Title
    Small
    Volume
    5
    Issue
    3
    DOI
    https://doi.org/10.1002/smll.200801020
    Subject
    Solid state chemistry
    Physical properties of materials
    Publication URI
    http://hdl.handle.net/10072/38323
    Collection
    • Journal articles

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