• Anjali J. Atram
• G. T. Lamdhade
• K.B. Raulkar

The SnO₂–PPy nano-composite H2S gas sensor was fabricated on a clean glass substrate by using Screen printing technique. The prepared material was characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) to investigate its crystalline structure and surface morphology. The sensor achieves a maximum sensitivity of approximately 1.57 at 125 ppm, with a response time of 7 seconds and recovery time of 11 seconds, at room temperature. These results highlight B4 as a promising candidate for rapid, efficient H₂S monitoring and potential industrial safety applications.

SnO₂, Polypyrrole (PPy), Nanocomposites, H₂S Gas Sensor, Screen printing technique, Sensitivity and statistic response.

"Development and Characterization of SnO₂/Polypyrrole Nanocomposites for Room-Temperature H2S Gas Detection ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.13, Issue 10, page no.b754-b760, October-2026, Available :http://www.jetir.org/papers/JETIR2610175.pdf

"Development and Characterization of SnO₂/Polypyrrole Nanocomposites for Room-Temperature H2S Gas Detection ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.13, Issue 10, page no. ppb754-b760, October-2026, Available at : http://www.jetir.org/papers/JETIR2610175.pdf