Prepare and Formaldehyde Sensing Properties of Hollow Nanofibers In2O3

Chang Bai Liu; Xing Yi Liu

doi:10.4028/www.scientific.net/AMR.941-944.479

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 941-944Prepare and Formaldehyde Sensing Properties of...

Prepare and Formaldehyde Sensing Properties of Hollow Nanofibers In₂O₃

Abstract:

Hollow nanofiber In₂O₃ is synthesized by electrospinning. The as-synthesized materials are characterized by scanning electron microscope (SEM) and X-ray power diffraction (XRD). The formaldehyde sensing properties of the devices using In₂O₃ films are investigated at different operating temperatures. The results reveal that the response of hollow nanofiber In₂O₃ sensor is about 2.5 to 1 ppm formaldehyde at the optimum operating temperature of 270°C. The response and recovery time is about 3 s and 19 s, respectively. Moreover, sensor possesses a good selectivity to some common gas.

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

479-482

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.479

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Online since:

June 2014

Authors:

Chang Bai Liu, Xing Yi Liu

Keywords:

Electro-Spinning, Formaldehyde, Gas Sensor, In₂O₃

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