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, §}

(a) X-ray photoelectron spectroscopy (XPS) survey spectrum, (b) Fe 2p and (c) O 1s high-resolution spectra of the α-Fe₂O₃ nanorhombs.