Table 2.
H2 sensing response of the CeO2-Pd-PDA/rGO heterojunction nanocomposite sensor towards H2 with different concentrations without and with UV illumination at 100 °C and 0% RH.
H2 Concentration (ppm) | 200 | 300 | 400 | 500 | 600 |
---|---|---|---|---|---|
Response (%), without UV | 103 | 106 | 108 | 111 | 114 |
Response (%), with UV | 103 | 107 | 111 | 115 | 119 |