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One-Pot Synthesis of Pd-Loaded SnO2 Yolk–Shell Nanostructures for Ultraselective Methyl Benzene Sensors

Authors

  • Young Jun Hong,

    1. Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong Gwangjin-Gu, Seoul 143-701 (Korea), Fax: (+82) 2-458-3504
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    • These authors contributed equally to this work.

  • Ji-Wook Yoon,

    1. Department of Materials Science and Engineering, Korea University, Anam-Dong, Seongbuk-Gu, Seoul 136-713 (Korea)
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    • These authors contributed equally to this work.

  • Prof. Jong-Heun Lee,

    Corresponding author
    1. Department of Materials Science and Engineering, Korea University, Anam-Dong, Seongbuk-Gu, Seoul 136-713 (Korea)
    • Jong-Heun Lee, Department of Materials Science and Engineering, Korea University, Anam-Dong, Seongbuk-Gu, Seoul 136-713 (Korea)

      Yun Chan Kang, Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong Gwangjin-Gu, Seoul 143-701 (Korea), Fax: (+82) 2-458-3504

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  • Prof. Yun Chan Kang

    Corresponding author
    1. Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong Gwangjin-Gu, Seoul 143-701 (Korea), Fax: (+82) 2-458-3504
    • Jong-Heun Lee, Department of Materials Science and Engineering, Korea University, Anam-Dong, Seongbuk-Gu, Seoul 136-713 (Korea)

      Yun Chan Kang, Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong Gwangjin-Gu, Seoul 143-701 (Korea), Fax: (+82) 2-458-3504

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Abstract

A continuous, single-step, and large-scale preparation of Pd-catalyst-loaded SnO2 yolk–shell spheres is demonstrated. These nanostructures show an unusually high response and selectivity to methyl benzenes, such as xylene and toluene, with very low cross-responses to various interfering gases, making them suitable for precise monitoring of indoor air quality.

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