The thermal induction plasma spray method was successfully applied to get  porous structure film with nano-particles. 
The metal-oxides film by the thermal plasma spray were prepared  drastically high sensitive sensor to VOC gases.  
We constituted industry-university consortium including down-stream industries in order to make the new VOC sensor in practical.
  
The injected metal-oxides powders into the thermal plasma are evaporated and reacted. The vapor was quickly quenched  and the metal-oxides  nano-particles were prepared.
The SnO2 nano-particles deposition film by  the induction thermal plasma spray 
World-only-one High sensitive semi-conductor VOC sensor achieved by Plasma Spray Method.
Hydrogen Generator
 VOC Sensor
Development of high sensitive VOC sensor with the induction thermal plasma spray
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