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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Ao, Dongyi Huang, Yanwu Chen, Weimei Li, Zhijie Zhang, Shouchao Liu, Wei Fu, Yongqing Kuang, Zhong |
| Description | Author Affiliation: Li Z ( School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China. Electronic address: zhijieli@uestc.edu.cn.); Huang Y ( School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China.); Zhang S ( School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China.); Chen W ( School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China.); Kuang Z ( School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China.); Ao D ( School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China.); Liu W ( School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China.); Fu Y ( Department of Physics and Electrical Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne NE1 8ST, England, United Kingdom.) |
| Abstract | H2S gas sensor based on -Fe2O3 nanoparticles was fabricated by post-thermal annealing of Fe3O4 precursor which was synthesized using a facile hydrothermal route. The characteristic techniques including X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) were adopted to characterize the chemical composition and microstructure of the obtained samples. Gas-sensing performance of the sensor was investigated at different operation temperatures from 100°C to 400°C. Results showed that the sensor exhibited the best sensitivity, reproducibility and long-term stability for detecting H2S gas at an operating temperature of 300°C. The detection limit towards H2S gas was 0.05 ppm, and the response time and recovery time was 30s and 5s, respectively. In addition, sensing mechanism of the sensor towards H2S was discussed. |
| ISSN | 03043894 |
| Journal | Journal of Hazardous Materials |
| Volume Number | 300 |
| e-ISSN | 18733336 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-12-30 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Pollution Waste Management and Disposal Health, Toxicology and Mutagenesis Environmental Engineering |
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