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has been cited by the following article:

• TITLE: Pure SnO2 Gas Sensor with High Sensitivity and Selectivity towards C2H5OH

  AUTHORS: Abeer Alhadi, Shuyi Ma, Tingting Yang, Shitu Pei, Pengdou Yun, Khalid Ahmed Abbakar, Qianqian Zhang, Nina Ma, Manahil H. Balal, Hamouda Adam Hamouda, Khalid Mohammed Adam

  KEYWORDS: Hydrothermal Method, Nanoparticles, Ethanol, SnO2, Gas Sensor

  JOURNAL NAME: Advances in Nanoparticles, Vol.10 No.2, May 11, 2021

  ABSTRACT: To observation, poisonous gases in the environment, Sensors with high selectivity, high response and low operating temperature are required. In this work, pure SnO2 nanoparticles was prepared by using a simple and inexpensive technique (hydrothermal method) without a template. Various confirmatory tests were performed to characterize SnO2 nanoparticles such as energy dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Transition Electron Microscopy (TEM), during the detection of the gas, we found that pure SnO2 nanoparticles has a high selectivity for ethanol to 100 ppm at a low temperature (180°C) and a high response (about 27 s) and a low detection limit of 5 ppm, also it have response/recovery times about (4 s, 2 s) respectively. The distinctive sensing properties of SnO2 sensor make it a promising candidate for ethanol detection. Furthermore, the gas-sensing mechanism have been examined.