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  • Mixed surfactants-directed the mesoporous silica materials with various morphologies and structures

    Author(s)
    Lin, Huiming
    Qu, Fengyu
    Wu, Xiang
    Xue, Ming
    Zhu, Guangshan
    Qiu, Shilun
    Griffith University Author(s)
    Zhu, Guangshan
    Year published
    2011
    Metadata
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    Abstract
    A new mixedsurfactants system using alkyl carboxylic acids and quaternized poly[bis(2-chloroethyl)ether-alt-1,3-bis[3-(dimethylamino)propyl] urea] (PEPU) as the co-template was used to synthesize mesoporoussilicamaterials with various morphologies and structures, including flakes, regular spheres, nanoparticles, and tube-spheres. The cationic polymer connected the anionic surfactant micelle to the anionic polysilicate species to induce the synthesis of the mesoporoussilicamaterials. The structure and property of the surfactant and the cationic polymer determined the formation of mesoporoussilica, and also had a signification ...
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    A new mixedsurfactants system using alkyl carboxylic acids and quaternized poly[bis(2-chloroethyl)ether-alt-1,3-bis[3-(dimethylamino)propyl] urea] (PEPU) as the co-template was used to synthesize mesoporoussilicamaterials with various morphologies and structures, including flakes, regular spheres, nanoparticles, and tube-spheres. The cationic polymer connected the anionic surfactant micelle to the anionic polysilicate species to induce the synthesis of the mesoporoussilicamaterials. The structure and property of the surfactant and the cationic polymer determined the formation of mesoporoussilica, and also had a signification influence on the morphology and structure of the final materials. To further explore the possible formation mechanism of these mesoporousmaterials, zeta potential was utilized to evaluate the interaction between the anionic surfactant and the cationic co-template. In addition, the structure, morphology, and porosity of these materials were characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and N2 adsorption-desorption measurements.
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    Journal Title
    Journal of Solid State Chemistry
    Volume
    184
    Issue
    6
    DOI
    https://doi.org/10.1016/j.jssc.2011.03.043
    Subject
    Inorganic Chemistry not elsewhere classified
    Inorganic Chemistry
    Macromolecular and Materials Chemistry
    Physical Chemistry (incl. Structural)
    Publication URI
    http://hdl.handle.net/10072/44202
    Collection
    • Journal articles

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