Journal of Electrochemical Science and Technology

  • 제12권2호
  • /
  • Pages.167-172
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  • 2021
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  • 2093-8551(pISSN)
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  • 2288-9221(eISSN)
한국전기화학회 (The Korean Electrochemical Society)
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Improved Surface Plasmon Resonance Sensing Sensitivity due to an Electrochemically Potential-Induced Gold Reconstruction

  • Choi, Baeck B. (Department of Chemical Engineering, University of Florida) ;
  • Kim, Bethy (Department of Chemistry, University of Florida) ;
  • Chen, Yiqi (Department of Chemical Engineering, University of Florida) ;
  • Jiang, Peng (Department of Chemical Engineering, University of Florida)
  • 투고 : 2020.12.23
  • 심사 : 2021.01.20
  • 발행 : 2021.05.28
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초록

he progressively improved sensing sensitivity (∆λSPR/∆n, nm/RIU) to detect the refractive index is observed on the SPR platform of an Au-covered epoxy gratings in an increase in potential cycling in a typical three-electrode cell. Here, a DVD-R optical disc was used as a structure template to prepare an Au-covered epoxy gratings, and the newly formed reverse track pitch structure on the epoxy substrate was used as a working electrode directly in aqueous sulfuric acid solution. It is expected that Au reconstruction by potential cycling in sulfuric acid electrolyte increases the packing density of Au atoms in the grain boundary and improves the propagation of electromagnetic waves.

키워드

과제정보

This research was supported by the Korea Institute of Energy Technology Evaluation and Planning funded by the Korea government MOTIE (2019281010007A)

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