WO3/Bi2O2Se heterojunction nanocomposites for highly sensitive and selective NO2 detection

Key Points

• NO2 detection is achieved with high sensitivity and selectivity due to the heterojunction structure.
• The nanocomposites exhibit an impressive response factor, significantly outperforming conventional sensors.
• Testing was conducted under controlled conditions to assess the performance of various compositions and structures.
• The findings support the use of this technology in advanced environmental sensing applications for air quality monitoring.