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Keywords:

  • organic nanowires;
  • vapor detection;
  • optical waveguides;
  • chemical sensors
Thumbnail image of graphical abstract

By decorating single crystal organic nanowires with H2O2-reactive peroxalate ester, a core/sheath structure for the rapid and selective detection of H2O2 vapors is demonstrated via the optical waveguide of a single wire. Such a compact sensing configuration may act as the “nano-alarm-lamp” for the H2O2 vapors and be attractive for on-chip optical detection in complex chemical or biological environments.