Journal
MATERIALS LETTERS
Volume 335, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2023.133839
Keywords
SnO2; Ethanol; Ce; Nanocomposites; Sensors; Metallic composites
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Ce-doped SnO2 nanocomposites with varying weight percentages (0 wt%, 2 wt%, 4 wt%, 8 wt%) were synthesized through a simple one-step hydro-thermal method. Characterization methods revealed that the SnO2 nanospheres doped with 4 wt% Ce exhibited high purity and mesoporous structure. The sensor based on 4 wt% Ce-SnO2 showed superior performance, with a high response value (S = 59) to 100 ppm ethanol at 200 degrees C, short response/recovery times (3 s/7s), and excellent selectivity and long-term stability. This material holds great potential for ethanol detection in gas-sensitive sensor applications.
Ce-doped (0 wt%, 2 wt%, 4 wt%, 8 wt%) SnO2 nanocomposites were prepared by a simple one-step hydro-thermal method. Through various characterization methods, it was found that the SnO2 nanospheres doped with 4 wt% Ce were of high purity and mesoporous. The test results show that the sensor based on 4 wt% Ce-SnO2 has superior performance than others, and it exhibits a high response value (S = 59) to 100 ppm ethanol at 200 degrees C, short response/recovery times (3 s/7s), and excellent selectivity and long-term stability. The material is expected to be excellent materials for ethanol detection in the field of gas-sensitive sensors.
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