Enhanced H2 Sensing
By introducing oxygen vacancies, the sensor shows significantly enhanced sensitivity to hydrogen, detecting concentrations as low as 100 ppb.
Yu, Zhang · Chen, Hang · Jiang, Hongchuang Chuan · Zhao, Xiaohui · Deng, Xinwu · Liufang, Wang · Ma, Fengxiang · Zhengjie, Xu
Sensors and Actuators, B: Chemical 2025
Oxygen vacancy concentration controlled by Ar/O2 flux ratio