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    Facile Synthesis of Yolk/Core-Shell Structured TS-1@Mesosilica Composites for Enhanced Hydroxylation of Phenol

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    Type
    Article
    Authors
    Zou, Houbing
    Sun, Qingli
    Fan, Dongyu
    Fu, Weiwei
    Liu, Lijia
    Wang, Runwei cc
    KAUST Grant Number
    CRG-1-2012-LAI-009
    Date
    2015-12-14
    Permanent link to this record
    http://hdl.handle.net/10754/598307
    
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    Abstract
    © 2015 by the authors. In the current work, we developed a facile synthesis of yolk/core-shell structured TS-1@mesosilica composites and studied their catalytic performances in the hydroxylation of phenol with H2O2 as the oxidant. The core-shell TS-1@mesosilica composites were prepared via a uniform coating process, while the yolk-shell TS-1@mesosilica composite was prepared using a resorcinol-formaldehyde resin (RF) middle-layer as the sacrificial template. The obtained materials were characterized by X-ray diffraction (XRD), N2 sorption, Fourier transform infrared spectoscopy (FT-IR) UV-Visible spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The characterization results showed that these samples possessed highly uniform yolk/core-shell structures, high surface area (560–700 m2 g−1) and hierarchical pore structures from oriented mesochannels to zeolite micropores. Importantly, owing to their unique structural properties, these composites exhibited enhanced activity, and also selectivity in the phenol hydroxylation reaction.
    Citation
    Zou H, Sun Q, Fan D, Fu W, Liu L, et al. (2015) Facile Synthesis of Yolk/Core-Shell Structured TS-1@Mesosilica Composites for Enhanced Hydroxylation of Phenol. Catalysts 5: 2134–2146. Available: http://dx.doi.org/10.3390/catal5042134.
    Sponsors
    This work was supported by National Natural Science Foundation of China (21390394), the National Basic Research Program of China (2012CB821700, 2011CB808703), NSFC (21261130584, 91022030), “111” project (B07016), Award Project of KAUST (CRG-1-2012-LAI-009) and Ministry of Education, Science and Technology Development Center Project (20120061130012).
    Publisher
    MDPI AG
    Journal
    Catalysts
    DOI
    10.3390/catal5042134
    ae974a485f413a2113503eed53cd6c53
    10.3390/catal5042134
    Scopus Count
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    Publications Acknowledging KAUST Support

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