Figure 7
From: Pd/ZnO nanorods based sensor for highly selective detection of extremely low concentration hydrogen

The selectivity histogram of the sensor to H2, CH4, H2S and CO2 at 175 °C operating temperature.
From: Pd/ZnO nanorods based sensor for highly selective detection of extremely low concentration hydrogen

The selectivity histogram of the sensor to H2, CH4, H2S and CO2 at 175 °C operating temperature.