Response characterization of the proposed sensor.

Parameter	DTZ-CPS
Composition	0.50% β-CD + 0.50% NaTPB + 3.0% ZnO@PANI/C + 46.5% graphite + 49.5% DBP
Slope (mV per decade)	62.0 ± 0.9
Correlation coefficient (r2)	0.994
Detection limit (mol L−1)	5.0 × 10−7
Quantification limit (mol L−1)	1.6 × 10−6
Concentration range (mol L−1)	1.0 × 10−6 to 1.0 × 10−2
Response time (s)	≤10
RSD (%)	1.45
Isothermal coefficient (mV per °C)	0.0053