Thin-film microsensor offers intelligent detection of many gases

摘要

Scientists at Argonne (IL) National Laboratory have developed a thin-film microsensor that is capable of detecting and quantifying a wide variety of gases and gas mixtures at concentrations as low as 1 ppm. The sensor technology is suitable for controlling boiler and flue-gas emissions, characterizing contaminated soil and air, monitoring for noxious gases, and providing early intelligent detection of toxic vapors. Intelligence comes from onboard neural network software that identifies gases by matching cyclic voltammograms with stored patterns previously obtained from standard reference samples.