Fig. 10 | Scientific Reports

Fig. 10

From: CTAB modified SnO₂ PEDOT PSS heterojunction humidity sensor with enhanced sensitivity stability and machine learning evaluation

Fig. 10

Response and recovery characteristics of humidity sensors SnO-1 to SnO-5. Subfigures (a), (c), (e), (g), and (i) show resistance variation under humidity cycling (5–97% RH), while (b), (d), (f), (h), and (j) depict the corresponding response and recovery times. Improved performance with higher CTAB content is observed, with SnO-5 exhibiting the fastest response due to its flower-like morphology and PEDOT: PSS-assisted charge transport.

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