Highly reliable and selective ethanol sensor based on α-Fe<sub>2</sub>O<sub>3</sub> nanorhombs working in realistic environments

Highly reliable and selective ethanol sensor based on α-Fe₂O₃ nanorhombs working in realistic environments

Yan Wenjun^{1, †}, Zeng Xiaomin^{2, †}, Liu Huan¹, Guo Chunwei¹, Ling Min², Zhou Houpan^{1, §}

Resistance versus time for various ethanol concentrations (1 ppm–20 ppm) of the α-Fe₂O₃-based sensor at 280 °C & 70% RH.