Abstract: In this research work, using green papaya leaves, $\mathrm{SnCl}_{4} ; 5 \mathrm{H}_{2} \mathrm{O}(0.1 \mathrm{M})$ is synthesized. The prepared $\mathrm{SnO}_{2 \text { papaya} }$ nanoscale ...

Abstract: NO2 detection is important for monitoring indoor and outdoor air pollution. However, the development of SnS2-based sensors is limited by their low response value and low selectivity.