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Metal oxide semiconductor gas sensors in environmental monitoring

R. Binions,     Queen Mary University of London UK

A.J.T. Naik,     University College London UK

Abstract:

Environmental sustainability is a pressing and growing problem due to issues such as climate change, pollution and disturbances associated with biodiversity. A major cause of these environmental threats is pollutants in the atmosphere. In this chapter, we give a general outline of how metal oxide gas sensors can be prepared and how they have been used to monitor levels of environmentally important gases. We include a section on future trends which discusses some of the new approaches being used to improve the selectivity and sensitivity of metal oxide semiconductor ...

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