Solvothermal synthesis of porous Fe3O4 nanoparticles for humidity sensor application

被引：22

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.

引用

页数：9

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