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Templated Synthesis of Inorganic Hollow Spheres with a Tunable Cavity Size onto Core–Shell Gel Particles

Authors

  • Zhenzhong Yang Prof. Dr.,

    1. State Key Laboratory of Polymer Physics and Chemistry, Joint Laboratory of Polymer Science and Materials, Center for Molecular Science, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100080, China, Fax: (+86) 10-62559373
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  • Zhongwei Niu Dr.,

    1. State Key Laboratory of Polymer Physics and Chemistry, Joint Laboratory of Polymer Science and Materials, Center for Molecular Science, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100080, China, Fax: (+86) 10-62559373
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  • Yunfeng Lu Dr.,

    1. Department of Chemical Engineering, Tulane University, New Orleans, Louisiana 70118–5674, USA
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  • Zhibing Hu Dr.,

    1. Departments of Physics, Chemistry and Materials Science, University of North Texas, Denton, TX 76203, USA
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  • Charles C. Han Prof. Dr.

    1. State Key Laboratory of Polymer Physics and Chemistry, Joint Laboratory of Polymer Science and Materials, Center for Molecular Science, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100080, China, Fax: (+86) 10-62559373
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  • This work was supported by National Natural Science Foundation of China under grant No. 90206025 and 20128004.

Abstract

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Titania/polymer capsules and hollow titania spheres are prepared by using sulfonated-polystyrene core–shell gel particles as templates. The titania shell thickness and the cavity size are controlled in the entire particle radius range. If an electric field is applied during synthesis, hollow spheres with pillared surfaces (depicted) are produced.

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