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  • Nanoengineering of Core-Shell Magnetic Mesoporous Microspheres with Tunable Surface Roughness

    Author(s)
    Yue, Qin
    Zhang, Yu
    Jiang, Yongjian
    Li, Jialuo
    Zhang, Hongwei
    Yu, Chengzhong
    Elzatahry, Ahmed A
    Alghamdi, Abdulaziz
    Deng, Yonghui
    Zhao, Dongyuan
    Griffith University Author(s)
    Zhao, Dongyuan
    Year published
    2017
    Metadata
    Show full item record
    Abstract
    Functional core-shell mesoporous microspheres with integrated functions, controlled structure, and surface properties and morphologies have received increasing attention due to their excellent physicochemical properties. Herein, core-shell magnetic mesoporous materials with cauliflower-like morphology and tunable surface roughness have been synthesized through a kinetics-controlled interface co-assembly and deposition of mesostructured nanocomposites on Fe 3 O 4 @RF microspheres (RF refers to resorcinol formaldehyde resin). The obtained microspheres, synthesized via this interface nanoengineering method, possess well-defined ...
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    Functional core-shell mesoporous microspheres with integrated functions, controlled structure, and surface properties and morphologies have received increasing attention due to their excellent physicochemical properties. Herein, core-shell magnetic mesoporous materials with cauliflower-like morphology and tunable surface roughness have been synthesized through a kinetics-controlled interface co-assembly and deposition of mesostructured nanocomposites on Fe 3 O 4 @RF microspheres (RF refers to resorcinol formaldehyde resin). The obtained microspheres, synthesized via this interface nanoengineering method, possess well-defined sandwich structure with a tunable rough morphology, uniform size (560-1000 nm), perpendicularly aligned mesopores (∼5.7 nm) in the outer shell, RF-protected magnetic responsive core, high surface area up to 382 m 2 /g, and large pore volume of 0.66 cm 3 /g. As a result of the unique surface features and magnetic properties, these microspheres exhibit excellent performance in stabilizing and oxygen-free manipulating aqueous solutions in petroleum ether by a magnetic field. They also exhibit superior cell uptake properties compared with traditional smooth core-shell magnetic mesoporous silica microspheres, opening up the possible applications in fast drug delivery in cancer therapy.
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    Journal Title
    Journal of the American Chemical Society
    Volume
    139
    Issue
    13
    DOI
    https://doi.org/10.1021/jacs.7b01464
    Subject
    Chemical sciences
    Science & Technology
    Physical Sciences
    Chemistry, Multidisciplinary
    Chemistry
    LITHIUM-SULFUR BATTERIES
    Publication URI
    http://hdl.handle.net/10072/387355
    Collection
    • Journal articles

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