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Graphic element Research > Growth > Research projects > Previous projects > Environment > New solid-state gas sensors with nano-sized particles
Graphic element New solid-state gas sensors with nano-sized particles
     
 
Gas sensors with nano-sized materials produced using sol-gel processes and laser pyrolysis are suitable for long-term emissions monitoring of automobile, burner and other emissions.
 

The development of materials for use in solid-state gas sensors has been the goal of considerable scientific and technical effort in recent years. Commercial gas sensors based on thin films have insufficient stability and grain size control for long-term use. Japanese and US companies do offer quite reliable and advanced solid state gas sensors for some domestic and industrial applications, but they are inadequate for use in long-term emissions monitoring. Recent investigations indicate that nano-sized particles may be the key to resolving these technical difficulties.

This project used sol-gel processes and laser pyrolysis to develop gas sensors with nano-sized materials. Sensors, designed for use in automotive air-conditioning systems, can detect 1-100 ppm CO and 1-10 ppm NO. Advantages include the ability to create stable systems with low power consumption operating at low temperatures with good response times.

Partners say commercial production has already started in Germany and the new sensors are beginning to replace similar Japanese products. Potential areas of future application include automotive combustion processes, industrial and domestic gas and oil burners and emissions management in natural areas.

Cordis RCN: 22858
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