Air quality has a strong influence on human health and wellbeing. Monitoring the air quality and making the data available to end-users is the first step towards awareness for a healthier society. To achieve this goal, measuring sufficient spatial and temporal data is critical and hence dense sensor networks are needed, both indoor and outdoor. The gas sensors in these networks need to be relatively low cost, preferable small and low power. The talk will outline the state of the art in gas sensors for air quality monitoring networks and considers emerging and potential future developments. Outdoor gas sensor network will mainly monitor pollution and measure pollutants including nitrogen monoxide (NO), nitrogen dioxide (NO2), sulphur dioxide (SO2), carbon monoxide (CO), ozone (O3) and volatile organic compounds (VOCs). In case of indoor applications, air quality is more related to comfort (temperature, humidity, carbon dioxide (CO2)) or to safety (VOC’s, CO). Next to gas sensor technology, also smarter network design, smarter data use and new tools will be shown. The need for good calibration and reference measurements, to ensure good data quality from these sensor networks, will be discussed.
Dr.Ir. Sywert H. Brongersma obtained his Ph.D. at the Free University of Amsterdam in the field of superconductivity. After a postdoc at the University of Western Ontario (Canada) he joined IMEC’s Advanced Silicon Processing division in 1998. As principal scientist he was active in both the Cu/Low-k integration and the Nano-technology affiliation programs. In November 2006, he transferred to imec, the Netherlands , one of the pillars of the Holst Centre, in Eindhoven, where he set up a group developing chemical sensors. Presently, he is Senior Principal Member of the Technical Staff at imec, where The Internet of Things is used for distributed environmental monitoring.