Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 270, Issue -, Pages 538-544Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2018.05.078
Keywords
Porous CuFe2O4 nanosphere; Solvothermal method; Gas sensor; Acetone
Funding
- National Key Research and Development Program of China [2016YFC0207300]
- Science and Technology Development Program of Jilin Province [20170520162JH]
- China Postdoctoral Science Foundation [2017T100208, 2015M580247]
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Porous CuFe2O4 nanospheres were successfully prepared via a facile solvothermal method with subsequent calcination treatment. Various techniques were employed to investigate the structural and morphological characteristics of the as-synthesized product. The results revealed that the hierarchical CuFe2O4 porous nano spheres with a diameter of about 200 nm were composed of many nanoparticles. In addition, gas sensors were fabricated with the as-prepared samples, and their gas sensing performances were systematically investigated. Compared with pure CuO and Fe2O3 nanoparticles, the CuFe2O4 nanostructure exhibited superior gas sensing properties toward acetone at the operating temperature of 250 degrees C, including high response, outstanding selectivity, and excellent response-recovery property.
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