Printable Chemoresistive Sensor Based on PrFeTiO5 Solid Solution for Acetone Detection

Acetone necessitates reliable detection for the sake of both industrial and environmental safety. Metal oxides are widely used as functional materials for the development of gas sensors because techniques like nanostructure modification, doping, and solid solution formation can enhance their sensitivity and selectivity by tuning structural and electronic properties. This study developed PrFeTiO5 nanostructures, synthesized via the solidstate reaction for acetone sensing. The sensor demonstrated a high response to acetone at an operating temperature of 400 ◦C, with a low influence of humidity, displaying outstanding selectivity towards acetaldehyde, NH3, H2, CO, and CO2, making it suitable across various applications.