Graphene-based sensor detects CO2, gases in the home: Page 2 of 2

April 19, 2016 //By PAUL BUCKLEY
A diagram of a graphene single molecular sensor (left) and the observed signal showing successful detection of single CO2 molecule adsorption / desorption events. (Credit: University of Southampton)
Scientists from the University of Southampton, in partnership with the Japan Advanced Institute of Science and Technology (JAIST), have developed a graphene-based sensor and switch that can detect harmful air pollution in the home with low power consumption.

Research group members, Harold Chong, Ph.D. from Southampton and Marek Schmidt, Ph.D. and Jian Sun, Ph.D., of JAIST, have also developed graphene-based switches (published in the March issue of Nanoscale, the journal of the Royal Society of Chemistry) using a thin film developed at the University of Southampton.

The switches, which require low voltages (below three volts), can be used to power electronic components on demand, greatly improving the battery lifetime of personal electronic devices. Professor Mizuta and the research group are now aiming to bring the two technologies together to create ultra-low-power environmental sensor systems that can detect single molecules.

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