期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 764, 期 -, 页码 147-154出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.06.052
关键词
ZnFe2O4 nanoparticles; Solvothermal method; H2S sensing characteristics; Nanostructures
资金
- National science and technology support program, China [2013BAE04B02]
- Natural Science Foundation of Heilongjiang Province, China [E201058]
- Key projects of science and technology research of the ministry education, China [211049]
- open project of mineral processing engineering key laboratory in common colleges and universities of Heilongjiang province, China [20131207]
- Heilongjiang University of science and technology college students' scientific research project, China [20131207]
ZnFe2O4 nanostructures were synthesized through a one-step solvothermal approach using zinc acetylacetonate and iron acetylacetonate as a precursor. The ZnFe2O4 nanoparticles were obtained at the temperatures 150 degrees C. Structure features of ZnFe2O4 nanoparticles were characterized using various methods such as powder X-ray diffraction, scanning electron microscopy, transmission electron microscopy etc. Application of ZnFe2O4 nanoparticles as gas sensor materials displayed the higher sensitivity, good stability, and repeatability to low concentration H2S at low temperature. The sensor response can be up to 15.1 to 5 ppm H2S gas at a low operating temperature of 135 degrees C. Thus, the ZnFe2O4 nanoparticles are very promising for chemical gas sensors with good sensing characteristics for environmental and healthcare fields. (C) 2018 Elsevier B.V. All rights reserved.
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