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Advanced Materials

Gold Microshell Tip for In Situ Electrochemical Raman Spectroscopy

Authors

  • Beom Jin Kim,

    1. Department of Chemistry, Seoul National University, Seoul, 151-747, Republic of Korea
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  • Do-Joong Lee,

    1. Department of Materials Science and Engineering and Research, Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 151-747, Republic of Korea
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  • Yang-Rae Kim,

    1. Department of Chemistry, Seoul National University, Seoul, 151-747, Republic of Korea
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  • Sung Yul Lim,

    1. Department of Chemistry, Seoul National University, Seoul, 151-747, Republic of Korea
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  • Je Hyun Bae,

    1. Department of Chemistry, Seoul National University, Seoul, 151-747, Republic of Korea
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  • Ki-Bum Kim,

    Corresponding author
    1. Department of Materials Science and Engineering and Research, Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 151-747, Republic of Korea
    2. WCU Hybrid Materials Program, Department of Materials Science and Engineering, Seoul National University, Seoul 151-747, Republic of Korea
    • Ki-Bum Kim, Department of Materials Science and Engineering and Research, Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 151-747, Republic of Korea

      Taek Dong Chung, Department of Chemistry, Seoul National University, Seoul, 151-747, Republic of Korea.

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  • Taek Dong Chung

    Corresponding author
    1. Department of Chemistry, Seoul National University, Seoul, 151-747, Republic of Korea
    • Ki-Bum Kim, Department of Materials Science and Engineering and Research, Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 151-747, Republic of Korea

      Taek Dong Chung, Department of Chemistry, Seoul National University, Seoul, 151-747, Republic of Korea.

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Abstract

Tip fabrication by a new strategy is proposed for simultaneous acquisition of electrochemical (EC) signals from an ultramicroelectrode and spectroscopic information from surface-enhanced Raman scattering (SERS). The EC-SERS tip (see figure) is prepared by carefully tuning a SERS-active gold microshell to maximize Raman scattering, mechanically attaching it to the end of a micropipet, and electrically connecting it to a ruthenium inner layer through electroless deposition.

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