Comparison of Hydrogen Sulfide Sensing Properties between Multiple-Walled Carbon Nanotubes (MWNTs) and MWNTs-HAuCl4 Materials

Si Xuan He; Guang Zhong Xie; Ya Dong Jiang; Guang Di Zhang; Yong Zhou

doi:10.4028/www.scientific.net/AMR.936.310

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 936Comparison of Hydrogen Sulfide Sensing Properties...

Comparison of Hydrogen Sulfide Sensing Properties between Multiple-Walled Carbon Nanotubes (MWNTs) and MWNTs-HAuCl₄ Materials

Abstract:

The rapid and precise detection of hydrogen sulfide (H₂S) has great significance due to its high toxicity. In this work, the response properties of multiple-walled carbon nanotubes (MWNTs) and MWNTs-HAuCl₄ to H₂S at room temperature were compared. Scanning electron microscopy (SEM) technique was used to characterize MWNTs and MWNTs-HAuCl4 films. It was found that sensors with MWNTs-HAuCl₄exhibited much higher response value. On the other hand, sensors with MWNTs were observed to have faster response time and better recovery properties.

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Periodical:

Advanced Materials Research (Volume 936)

Pages:

310-314

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.936.310

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Online since:

June 2014

Authors:

Si Xuan He, Guang Zhong Xie*, Ya Dong Jiang, Guang Di Zhang, Yong Zhou

Keywords:

Gas Sensor, Hydrogen Sulfide, MWNTs, MWNTs-HAuCl₄

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