I have just started to gain basic information about gas sensing materials. So here, I want to know what materials are in touch nowadays for efficient gas sensing, and what are the corresponding advantage and disadvantages?
When it comes to the choice of materials for MOGS (Metal Oxide Gas sensors) applications, materials which exhibit high resistance variation upon exposure to the test gas is considered as most suited. Not all metal oxides can be used as a sensor material. In the last 50 years of sensors research, the choice sensing material has always been empirical. However, the thumb rule for a metal oxide to be used for MGOS application is that, the surface chemistry of the metal oxide should be in such a way that it is sensitive to oxidizing or reducing atmospheres. The details are available in plenty of review articles like this one : doi: 10.3390/s91008158 .
- Badges
- Science method
- Similar topics
- Methodology
- Crystallography
- X-ray Diffraction
- XRD Analysis