Ultrahigh gas selectivity and response for ppb levels of xylene are achieved by doping Pt in CoCr2O4 hollow spheres, whereas the addition of Au or Pd is less effective or even deteriorated the performance.
Bibliographical noteFunding Information:
This work was supported by two grants from the National Research Foundation of Korea (NRF) (No. 2016R1A2A1A05005331 and NRF-2017K1A3A1A49069947).
© The Royal Society of Chemistry.
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Ceramics and Composites
- General Chemistry
- Surfaces, Coatings and Films
- Metals and Alloys
- Materials Chemistry