SEARCH

SEARCH BY CITATION

Keywords:

  • Hydrothermal synthesis;
  • Iron oxides;
  • Nanostructures;
  • Sensors
Thumbnail image of graphical abstract

Free-standing α-Fe2O3nanorings are synthesized in solution through a rapid microwave-assisted hydrothermal process. The ringlike structure is a new member in the family of iron oxide nanostructures. The sensors made of the α-Fe2O3 nanorings exhibit high sensitivity not only for bio-sensing of hydrogen peroxide in a physiological solution but also for gas-sensing of alcohol vapor at room temperature.