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Should Suzhou Institute of Nano-tech and Nano-bionics international laboratory invitation, Queensland University of Technology Chemistry, Physics and Engineering Department, Professor John Bell to his party visited and gave a speech entitled Engineering thin film semiconductor gas sensors wonderful academic report. Report by the International Laboratory researcher main Ren Zhangyue steel chair.


At the meeting, John Bell, Professor of the Institute first introduced the Queensland University of Technology students and teachers of the school profile, and then thin-film semiconductor material gas sensor design gave a report, and the participants conducted in-depth exchanges. Thin-film semiconductor material gas sensor operating temperature is usually up to 400oC, in order to reduce energy consumption, to avoid high temperature operating conditions caused by the explosion, developed to work under low temperature environment gas sensor become a research hotspot in recent years. Professor John Bell thermal evaporation and electron beam evaporation Preparation of the iron-doped tungsten oxide film, when the material at 150oC dioxide exhibit a very high sensitivity and excellent selectivity. In addition, John Bell, Professor also crystal structure, morphology and material sensitivity of the sensor during the heat treatment effects, how to optimize the material structure design parameters to improve the selectivity and sensitivity of the sensor and other aspects of the original ideas.

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