SSensors and Actuators B Chemical3/25/2026Annealing atmosphere-mediated N-doped In2O3 homojunctions toward synergistic enhancement of NO2 gas sensing via oxygen vacancy engineeringYu Du·Hongyan Xu·Qingrui Hao·Xiuze Li·Ziyi Liu·Mengmeng XieRead at Sensors and Actuators B ChemicalTagsGas Sensing Nanomaterials and SensorsElectrical and Electronic EngineeringAnnealing (glass)NanosheetOxygenAnalytical Chemistry (journal)CeramicSelectivityVacancy defectNitrogenAdsorption