MXene/Co3O4 composite based formaldehyde sensor driven by ZnO/MXene nanowire arrays piezoelectric nanogenerator
MXene/Co3O4 composite based formaldehyde sensor driven by ZnO/MXene nanowire arrays piezoelectric nanogenerator
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ZnO/MXene 纳米线阵列压电纳米发电机驱动的 MXene/Co3O4 复合材料甲醛传感器
DOI：
10.1016/j.snb.2021.129923
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发表时间：
2021-04
期刊：
影响因子：
--
通讯作者：
Li Tingting
中科院分区：
文献类型：
--
作者：
Zhang Dongzhi;Mi Qian;Wang Dongyue;Li Tingting
Formaldehyde is widespread in daily life and industrial production, and the detection of formaldehyde is an important measure related to human health. Currently, self-powered high-performance gas sensors have aroused great interests. In this work, MXene/Co3O4composite-based formaldehyde (HCHO) sensor working at room temperature (RT) driven by ZnO/MXene nanowire (NW) arrays piezoelectric nanogenerator (PENG) was reported. A series of characterizations were performed to verify the synthesis of the sensing materials. With HCHO concentration increasing from 0.01 ppm to 10 ppm, the MXene/Co3O4composite sensor showed obvious response. The piezoelectric output voltage based on ZnO/MXene NW arrays showed great self-powered ability to drive the MXene/Co3O4composite sensor. The humidity influence and the flexibility of the gas sensor were investigated for potential application. In addition, the flexible PENG can be used to collect human motion energy as wearable devices. The possible gas sensing mechanism was attributed to the synergistic interfacial interactions between MXene and Co3O4.
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DOI：
10.1016/j.snb.2018.11.142
发表时间：
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期刊：
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