利用功能化碳纳米管进行二氧化硫室温检测

IF 1 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Digest Journal of Nanomaterials and Biostructures Pub Date : 2023-12-04 DOI:10.15251/djnb.2023.184.1363

S. Guluzade, N. Musayeva

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引用次数: 0

摘要

本文介绍了一种基于硝酸功能化多壁碳纳米管(MWCNTs)的简单二氧化硫敏感传感器结构的构建。采用x射线衍射、拉曼光谱和红外光谱等方法对功能化后的MWCNTs进行对比分析，并通过扫描电镜(SEM)观察其形貌。对5ppm SO2气体的敏感性是基于功能化MWCNTs的电阻变化。在室温下对制造的传感器进行了测试，并确定与原始MWCNTs相比，功能化MWCNTs对SO2气体敏感。

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Room temperature detection of sulfur dioxide using functionalized carbon nanotubes

The construction of a simple sensor structure sensitive to sulfur dioxide (SO2) based on multi-walled carbon nanotubes (MWCNTs) functionalized by nitric acid is described in this study. The functionalized MWCNTs were comparatively analyzed by X-ray diffraction, Raman, and FTIR spectroscopy methods, and their morphology was observed by scanning electron microscope (SEM). The sensitivity to 5 ppm SO2 gas is based on the change of resistance of functionalized MWCNTs. Tests on the fabricated sensor were performed at room temperature and defined that functionalized MWCNTs are sensitive to SO2 gas compared with the pristine MWCNTs.

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