Fig. 1From: In2O3 Nanotower Hydrogen Gas Sensors Based on Both Schottky Junction and Thermoelectronic Emission a The schematic diagram of the gas sensor chip. b, c The heater of the gas sensor and the corresponding schematic diagram. d, e The sensor element and the corresponding schematic diagram. f The sensor element packaged with a stainless steel mesh cap. g The test gas chamber. h The schematic diagram of the gas-sensing characterization systemBack to article page