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One-Pot Synthesis of (Au Nanorod)–(Metal Sulfide) Core–Shell Nanostructures with Enhanced Gas-Sensing Property

Authors

  • Haihua Wang,

    1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, 72 Wenhua Road, Shenyang 110016, China
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  • Zhenhua Sun,

    Corresponding author
    1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, 72 Wenhua Road, Shenyang 110016, China
    • Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, 72 Wenhua Road, Shenyang 110016, China.
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  • Qiuhong Lu,

    1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, 72 Wenhua Road, Shenyang 110016, China
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  • Fanwu Zeng,

    1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, 72 Wenhua Road, Shenyang 110016, China
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  • Dangsheng Su

    Corresponding author
    1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, 72 Wenhua Road, Shenyang 110016, China
    • Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, 72 Wenhua Road, Shenyang 110016, China.
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Abstract

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(Au nanorod)–(metal sulfide) core–shell structures are synthesized by employing Au nanorods as the starting reactants and metal thiobenzoates as the metal sulfide precursors in the presence of Ag+ ions. The gas-sensing property of the prepared (Au nanorod)–CdS sensor exhibit a significantly enhanced response and higher sensitivity in comparison with a CdS sensor.

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