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Hybrid Platinum Nanobox/Carbon Nanotube Composites for Ultrasensitive Gas Sensing

Authors

  • Adriana Popa,

    1. Department of Chemistry, Case Western Reserve University, 10900 Euclid Ave. Cleveland, Ohio 44106, USA
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  • Jing Li,

    Corresponding author
    1. NASA Ames Research Center, Moffett Field, California 94035, USA
    • Jing Li, NASA Ames Research Center, Moffett Field, California 94035, USA.

      Anna Cristina S. Samia, Department of Chemistry, Case Western Reserve University, 10900 Euclid Ave. Cleveland, Ohio 44106, USA

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  • Anna Cristina S. Samia

    Corresponding author
    1. Department of Chemistry, Case Western Reserve University, 10900 Euclid Ave. Cleveland, Ohio 44106, USA
    • Jing Li, NASA Ames Research Center, Moffett Field, California 94035, USA.

      Anna Cristina S. Samia, Department of Chemistry, Case Western Reserve University, 10900 Euclid Ave. Cleveland, Ohio 44106, USA

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Abstract

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A novel gas sensor based on hybrid platinum nanobox/single walled carbon nanotube composites shows improved gas sensing response time and sensitivity towards chlorine detection at room temperature compared to sensors fabricated from pristine carbon nanotubes. The enhanced sensor response is attributed to the improvement of the gas adsorption and charge-transfer efficiency with the incorporation of Pt nanoboxes.

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