Nature Communications (Jul 2016)

Far-field nanoscale infrared spectroscopy of vibrational fingerprints of molecules with graphene plasmons

  • Hai Hu,
  • Xiaoxia Yang,
  • Feng Zhai,
  • Debo Hu,
  • Ruina Liu,
  • Kaihui Liu,
  • Zhipei Sun,
  • Qing Dai

DOI
https://doi.org/10.1038/ncomms12334
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 8

Abstract

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Despite being a powerful tool for molecular vibrational mode detection, infrared spectrosocpy is limited by weak sensitivity. Here, the authors demonstrate a platform for enhanced molecular fingerprint sensing based on a graphene/CaF2nanofilm plasmonic structure.