Research Progress on Humidity-Sensing Properties of Cu-Based Humidity Sensors: A Review

Figure 14

SEM micrographs of PEO–CuO–MWCNT: (a) 1% and (b) 3% nanofibers. Resistivity Sensitivity of PEO–CuO–MWCNT: (c) 1% and (d) 3% nanocomposite at different %RH. Resistivity response/recovery time for PEO−CuO−MWCNT: (e) 1% and (f) 3% nanocomposites [77].

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