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Issue 3, 2012
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CuCl-intermediated construction of short-range-ordered Cu2O mesoporous spheres with excellent adsorption performance

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Abstract

Surfactant-directed self-assembly (SDSA) had become a promising approach towards the synthesis of ordered mesoporous oxide materials in recent years. A key step in this method is to control the hydrolysis-condensation rates of inorganic precursors for good co-assembly with a structure-directing agent (SDA). Based on the principle of solubility product, we propose a new strategy, namely using water-insoluble intermediates as a “buffer” to retard the hydrolysis rates of inorganic species and thus facilitate the cooperative organization process to construct ordered mesoporous materials. Cuprous oxide mesoporous spheres (Cu2O MPS) with short-range-ordered structure were obtained with the assistance of triblock copolymers Pluronic P123 (EO20PO70EO20) to demonstrate this concept. The as-prepared unique structures exhibit excellent adsorption ability, and the maximum adsorption capacities is 3.4 times that of commercial activated carbon, at room temperature with methyl orange as pollutant. With the advantage of simple, easy control and high yield, it may provide a good idea for the preparation of other mesoporous structured materials.

Graphical abstract: CuCl-intermediated construction of short-range-ordered Cu2O mesoporous spheres with excellent adsorption performance

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Publication details

The article was received on 30 Aug 2011, accepted on 10 Oct 2011 and first published on 10 Nov 2011


Article type: Paper
DOI: 10.1039/C1JM14258E
Citation: J. Mater. Chem., 2012,22, 856-861
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    CuCl-intermediated construction of short-range-ordered Cu2O mesoporous spheres with excellent adsorption performance

    Y. Shang, D. Zhang and L. Guo, J. Mater. Chem., 2012, 22, 856
    DOI: 10.1039/C1JM14258E

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