Ultra-sensitive gas sensors based on MOF and polymer electrical percolation networks

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Percolation network of Au on glass.

The aim of the work in this project is to develop sensing technology that can be readily miniaturised and provide lightweight mobile or networked molecular detection of chemicals in the vapour phase. In Oxford we have been working on developing such sensors through research into the use of conducting polymer networks and metal-organic frameworks (MOFs) operating in the electrical percolation region, which we refer to as percolation sensors. This project involves the development of percolation sensors for the detection of a variety of analytes, especially volatile organic compounds. The student will be involved in a broad range of interdisciplinary activities including design, characterisation, and testing of the gas sensor. The sensors will be grown on substrates including rigid glass and high-area flexible polymer sheets.

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