基于聚乙烯吡咯烷酮/还原氧化石墨烯纳米复合材料的NO2气体传感器

2014 IEEE Workshop on Advanced Research and Technology in Industry Applications (WARTIA) Pub Date : 2014-12-08 DOI:10.1109/WARTIA.2014.6976459

Junlong Huang, G. Xie, Yong Zhou, Tao Xie, Guangjin Yang

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引用次数: 3

摘要

将纯聚乙烯吡咯烷酮(PVP)薄膜、还原氧化石墨烯(RGO)薄膜和PVP/RGO复合薄膜涂覆在石英晶体微天平(QCM)上，用于室温下的氮氧化物(NO2)传感。利用傅里叶变换红外光谱(FTIR)和扫描电镜(SEM)对膜进行了表征。由于在QCM上沉积了少量RGO，基于RGO的传感器对NO2几乎没有响应。此外，与纯PVP膜相比，PVP/RGO复合膜响应的增加可能是由于对NO2分子吸附的吸收面积更大。

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NO2 gas sensor based on polyvinylpyrrolidone/reduced graphene oxide nanocomposite

Pure polyvinylpyrrolidone (PVP) film, reduced graphene oxide (RGO) film and PVP/RGO composite film were coated on quartz crystal microbalance (QCM) for nitrogen oxide (NO2) sensing at room temperature. These films were characterized by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM), respectively. Because only a few RGO were deposited on QCM, the sensor based on RGO almost had no response to NO2. In addition, compared with the response of pure PVP film, an increase in the response of PVP/RGO composite film may be caused by the more absorption area for NO2 molecule adsorption.

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2014 IEEE Workshop on Advanced Research and Technology in Industry Applications (WARTIA)

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