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2017-07-03 - Colloque/Présentation - poster - Anglais - 4 page(s)

Geng Xin, Lahem Driss, Zhang Chao, Olivier Marie-Georges , Debliquy Marc , "Light assisted room temperature NO2 sensors based on black sheet-like NiO" in Eurosensors 2017 September 3-7, Paris, France, 2017

  • Codes CREF : Capteurs et périphériques (DI2563), Matériaux optiques (DI1256)
  • Unités de recherche UMONS : Science des Matériaux (F502)
  • Instituts UMONS : Institut de Recherche en Science et Ingénierie des Matériaux (Matériaux)
  • Centres UMONS : Ingénierie des matériaux (CRIM)

Abstract(s) :

(Anglais) In this study, we use two-dimensional black flake nickel oxide as the sensitive material which was synthesized by a facile hydrothermal route. The as-synthesized sheet- like NiO possessed a large specific surface area, as verified by BET characterization. The as- prepared NiO nanosheets had strong absorption in the range of 250–800 nm including UV and visible light. Upon exposure to ppb-level NO 2, the presented sensors showed significant responses under light illumination at room temperature.