Humidity‐Resistant CeO₂/In₂O₃ Nanocomposite‐Based Chemiresistor for Selective Detection of Formaldehyde

Small, Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

Abstract Formaldehyde is a frequent indoor pollutant that poses risk to human and environmental health suspected be carcinogen. However, achieving high sensitivity selectivity for real‐time applications remains challenging. In this study, room‐temperature operated formaldehyde chemiresistor developed by cerium dioxide/indium oxide (CeO 2 /In O 3 ) nanocomposite exclusive detection. The synthesized using hydrothermal, forming CeO nanospheres grown on nanocubes. This unique structure enhances the sensing capabilities of , allowing it detect in 1–50 ppm range, 0.157 detection limit earned. sensor exhibits an impressive response 175.05 at 50 room temperature shows responsiveness various other substances, instance, methanol, ethanol, aniline, benzene, toluene, acetone, ammonia. Additionally, demonstrated moderate selectivity, sensitivity, stability, speedy response/recovery times, resilience humidity. work presents promising strategy formaldehyde.

Language: Английский

Plasma-Treated Nanostructured Resistive Gas Sensors: A Review

Sensors, Journal Year: 2025, Volume and Issue: 25(7), P. 2307 - 2307

Published: April 5, 2025

Resistive gas sensors are among the most widely used for detection of various gases. In this type sensor, sensing capability is linked to surface properties layer, and accordingly, modification importance improve output. Plasma treatment a promising way modify sensors, mainly by changing amounts oxygen ions, which have central role in reactions. review paper, we focus on plasma features resistive sensors. After an introduction air pollution, toxic gases, main concepts regarding presented. Then, impact characteristics materials discussed. As field interdisciplinary field, believe that present paper will be significant interest researchers with backgrounds who working

Language: Английский