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Fabrication of Silver Yolk@Porous Janus Polymer Shell Nanospheres for Synergistic Catalysis

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Abstract

Yolk-shell nanostructures have recently attracted tremendous research interests in various areas because of their unique structural merits. Currently, there is an urgent need for developing porous shells with multifunctional features to enhance their performance in various applications. Herein, advanced yolk-shell nanospheres have been facilely prepared by encapsulating silver nanoparticles with porous Janus polymer shells that consist of a hypercrosslinked polystyrene (xPS) outer layer and a tethered poly(acrylic acid) (PAA) brush lining. The xPS outer layer possesses well-developed porosity as mass diffusion pathways. More importantly, the tethered PAA brushes with customized carboxyl groups exhibit great affinity toward specific species (e.g., cationic dyes), leading to their enrichment from the bulk solution into the interior cavity. The unusual combination of highly porous outer layers with customizable inbuilt polymer linings in the porous Janus shells endows them with great promise for synergistically catalytic degradation of cationic dyes.

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Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (Nos. 51925308, U1601206, 51672313, 51702370, and 51872336), National Program for Support of Top-notch Young Professionals, Leading Scientific, Technical and Innovation Talents of Guangdong Special Support Program (No. 2017TX04C248), Fundamental Research Funds for the Central Universities (Nos. 18lgzd10 and 17lgpy83), and the Science and Technology Program of Guangzhou (No. 201704020059).

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  1. These authors contributed equally to this work.

Authors and Affiliations

  1. Materials Science Institute, PCFM Lab and GDHPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China

    Shao-hong Liu, Yan-huan Lin, Shi-mei Li, Wei-cong Mai, Ruo-wen Fu & Ding-cai Wu

  2. Department of Colorectal Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510655, China

    Yan-huan Lin, Wen-tai Guo & Hui Wang

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  1. Shao-hong Liu
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  2. Yan-huan Lin
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  3. Wen-tai Guo
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  4. Shi-mei Li
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  5. Wei-cong Mai
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  6. Hui Wang
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Correspondence to Hui Wang, Ruo-wen Fu or Ding-cai Wu.

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Liu, Sh., Lin, Yh., Guo, Wt. et al. Fabrication of Silver Yolk@Porous Janus Polymer Shell Nanospheres for Synergistic Catalysis. Chin J Polym Sci 38, 847–852 (2020). https://doi.org/10.1007/s10118-020-2419-5

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  • DOI: https://doi.org/10.1007/s10118-020-2419-5

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