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Highly Sensitive Ethanol Sensor Based on Two-Dimensional Layered Mesoporous In2O3 Nanosheets
IEEE Transactions on Nanotechnology ( IF 2.4 ) Pub Date : 2020-01-01 , DOI: 10.1109/tnano.2020.3004358
Junpeng Zhao , Zhenyu Yuan , Hanyang Ji , Hua Zhang , Fanli Meng , Hongliang Gao

Two-Dimensional layered mesoporous In2O3 nanosheets are successfully fabricated through a facile one-step hydrothermal method. The test methods include scanning electron microscope (SEM), X-ray diffraction (XRD) and transmission electron microscope (TEM) are used to characterize the as-prepared sample to identify the sample characteristics. The gas sensing properties are also tested. The as-prepared materials exhibit remarkable sensitivity and selectivity to ethanol at the ppb level. The response is 52 for 50 ppb ethanol gas at the optimum operating temperature of 270 °C, and the detection limit of the sensor for ethanol is 0.5 ppb. The synergistic effect of the mesoporous nanosheet structure, large specific surface area and large number of active sites provided by the layered structure can be responsible for the remarkably ethanol sensing performance.

中文翻译:

基于二维层状介孔 In2O3 纳米片的高灵敏度乙醇传感器

通过简单的一步水热法成功制备了二维层状介孔 In2O3 纳米片。测试方法包括扫描电子显微镜 (SEM)、X 射线衍射 (XRD) 和透射电子显微镜 (TEM),用于表征所制备的样品,以识别样品特性。还测试了气体传感特性。所制备的材料对 ppb 级的乙醇表现出显着的灵敏度和选择性。在 270 °C 的最佳工作温度下,50 ppb 乙醇气体的响应为 52,乙醇传感器的检测限为 0.5 ppb。介孔纳米片结构的协同作用,
更新日期:2020-01-01
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