Abstract
Sulfur dioxide (SO2), a hazardous gas resulting from combustion and natural reactions, poses environmental and health risks. This study presents a novel approach to synthesize tin oxide (SnO2) using palm sugar-mediated hydrothermal methods for enhanced SO2 gas sensing. The simplicity and cost-effectiveness of the method are highlighted, addressing challenges posed by complex and resource-intensive conventional methods. Spherical SnO2 particles were successfully synthesized and characterized using SEM and XRD techniques. From the SEM image, it was known that SnO2 has spherical morphologies and is expected to agglomerate after being calcined. XRD analysis shows that SnO2 has a rutile tetragonal phase structure. The synthesized SnO2 demonstrated favorable gas sensing properties when exposed to SO2, exhibiting elevated response at increased temperatures and a linear relationship between response and gas concentration. The results indicate the potential of this method for effective and efficient SO2 detection.
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