A Humidity Sensor Based on Silver Nanoparticles Thin Film Prepared by Electrostatic Spray Deposition Process

<table>Optical absorption spectra of Ag NPs film at various deposition times of 1, 5, 10, and 20 min.</table>

Advances in Materials Science and Engineering

Figure 4: A Humidity Sensor Based on Silver Nanoparticles Thin Film Prepared by Electrostatic Spray Deposition Process 