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Ningbo Materials is making progress in key technologies for advanced gas sensors
[ China Instrument Network Instrument Development ] Sensors and computers, communication is called the three pillars of information systems. The advantages and disadvantages of sensor technology have become an important indicator for measuring a country's scientific and technological level and whether it is at the commanding heights of international strategic competition. Core technology. The sensor industry has been recognized as a high-tech industry with a promising future. It has attracted the attention of the world for its high technical content, good economic returns, strong penetration and broad market prospects.
Advanced gas sensing materials and sensors
The solid functional materials team led by researcher Yang Minghui from the Institute of Materials Technology and Engineering of the Chinese Academy of Sciences conducted systematic research on the development of advanced gas sensing materials and advanced gas sensor design. Through the design of material structure, morphology and composition, a series of high-performance gas sensing materials have been developed, including the first application of metal NOx heterostructure materials to gas sensing materials (Small, 2016, 12(23) : 3128-3133), the first synthesis of pure phase Sn3N4 material and applied to alcohol sensing (Chemistry of Materials, 2017, 29 (3): 969-974) and a variety of multi-shell hollow sensing materials (ACS Applied Materials & Interfaces , 2018, 10(17): 15314-15321, Nanoscale, 2016, 8(36): 16349-16356, etc.).
Based on the development of high-performance sensing materials, the team has developed various types of gas sensors to meet different application environments, including semiconductor, electrochemical, catalytic combustion and optical gas sensors. The team has now developed a variety of gas sensors with low power consumption, small size and high performance using advanced manufacturing processes.
Based on the advanced gas sensor components developed, the solid functional materials team is actively developing multi-scenario intelligent gas detection/monitoring equipment. “Indoor Air Monitoring Equipment†monitors typical indoor pollutants, including VOCs (formaldehyde, benzene series), particulate matter (PM2.5, PM10) and ozone, etc., real-time access to indoor air quality conditions, and timely feedback to the air Purification device. The “Air Quality Micro Monitoring Station†is designed for the monitoring of outdoor air pollutants, mainly including particulate matter (PM2.5, PM10), NO, CO, SO2 and O3. The equipment is gridded in the city, and the data is transmitted back to the control center in time through the wireless network, so that the pollution source can be quickly located, prompting personnel to quickly rush to the scene to investigate the cause, and urgently dispose of it, and minimize the impact of pollution. To the lowest.
(Original title: Progress in the key technologies of advanced gas sensing materials and sensors in Ningbo Materials)