Bio-templated fabrication of hierarchically porous WO3 microspheres from lotus pollens for NO gas sensing at low temperatures

13. Climate action 02 engineering and technology 0210 nano-technology 16. Peace & justice 01 natural sciences 7. Clean energy 0104 chemical sciences
DOI: 10.1039/c5ra02536b Publication Date: 2015-03-16T15:05:35Z
ABSTRACT
Lotus pollen was used as a template to prepare WO3 microspheres. The porous structure of the microspheres is ideal for gas sensing. The microsphere-based sensor has high sensitivity (S = 46.2) to 100 ppm NO gas with fast response and recovery speed 62 s/223 s) at 200 °C.
SUPPLEMENTAL MATERIAL
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