Effect of humidity on TiO2 doped PVA capped CH3COOK polymer films

Titanum dioxde (TiO2) is added to the host polymer matrix with CH3COOK salt in order to prepare nanocomposite polymer (NCP) films using solution cast technique. The impedance-moistness relationship showed the humidity percentage which is measured at room temperature at a recurrence of 1.5 KHz. The curve bending demonstrates the stickiness detecting properties of the NCP films. The capacitance of the films showed the order of 103 (pF) up on increasing the relative humidity by 70%. The bend in the experimental curve of the TiO2/PVA-CH3COOK sensor abruptly changes by 85 % RH.