Solvothermal synthesis of porous Fe3O4 nanoparticles for humidity sensor application

被引：20
|
作者：
Zak, A. Khorsand [1 ]
Shirmand, H. [1 ]
Mohammadi, S. [1 ]
Banihashemian, S. M. [2 ]
机构：
[1] Esfarayen Univ Technol, Nanotechnol Lab, Esfarayen 9661998195, North Khorasan, Iran
[2] Univ Tehran, FNST, Micro & Nano Elect Lab, NEMS & MEMS Grp, Tehran, Iran
来源：
MATERIALS RESEARCH EXPRESS | 2020年 / 7卷 / 02期
关键词：
Fe3O4; nanoparticles; solvothermal; magnetic; iron oxide; IRON-OXIDE NANOPARTICLES; MAGNETIC NANOPARTICLES; FACILE SYNTHESIS; DRUG-DELIVERY; GAS; COPRECIPITATION; HYPERTHERMIA; ALPHA-FE2O3;
D O I：
10.1088/2053-1591/ab6e3c
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this research, the effect of PVP on magnetic properties and morphology of Fe3O4 nanoparticle (Fe3O4-NPS) is investigated. Also, the sensitivity of the humidity of the selected Fe3O4-NPS is studied. X-ray diffraction (XRD), transmission electron microscope (TEM), and vibration sample magnetometer (VSM) were used to characterize the synthesized Fe3O4-NPs. The XRD and TEM results demonstrated that Fe3O4-NPs were crystallized in cubic structure with spherical pores morphology. Superparamagnetic behavior was seen in the samples prepared with the maximum saturation of approximately 10 emu g(-1) for the sample synthesized using PVP:Fe(ac ac)(3) ratio equal to 4. The outcomes of the humidity sensing of the selected sample revealed that the prepared Fe3O4-NPs with a porous structure is a good candidate to be used for humidity sensing.
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页数：9
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