Bibliographic Details
| Title: |
Room temperature HS micro-sensors with anti-humidity properties fabricated from NiO-InO composite nanofibers. |
| Authors: |
Yue, XueJun1, Hong, TianSheng1 hongtiansheng@hotmail.com, Yang, Zhou1, Huang, ShuangPing1 |
| Source: |
Chinese Science Bulletin. Mar2013, Vol. 58 Issue 7, p821-826. 6p. |
| Subjects: |
Humidity, Nickel oxides, Indium oxide, Nanofibers, Electrospinning, Nanostructured materials, Gas detectors |
| Abstract: |
NiO-InO composite nanofibers are synthesized via electrospinning and calcining techniques. Micro-sensors are fabricated by sputtering Pt electrodes on Si chips to form sensor substrates, and then spinning the NiO-InO composite nanofibers onto the sensor substrate surface. The as-fabricated micro-sensors exhibit excellent HS sensing properties at room temperature. The sensitivity of the micro-sensors is up to 6 when the sensors are exposed to 3 μL/L HS, and the corresponding response and recovery times are 14 and 22 s, respectively. The micro-sensors also exhibit high selectivity and good stability. Especially, the micro-sensors can operate at various humidity conditions. The sensitivity of the micro-sensors is 3.8 to 3 μL/L HS at 75% relative humidity. These characteristics make the micro-sensors good candidates for practical HS sensors with high performance. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
