Surfactant dependence on physicochemical properties of magnetite nanoparticles

被引：25

作者：

Klekotka, U. ^{[1
]}

Satula, D. ^{[2
]}

Spassov, S. ^{[3
]}

Kalska-Szostko, B. ^{[1
]}

机构：

[1] Univ Bialystok, Inst Chem, Ciolkowskiego 1K, PL-15245 Bialystok, Poland

[2] Univ Bialystok, Fac Phys, Ciolkowskiego 1L, PL-15245 Bialystok, Poland

[3] Inst Royal Meteorol Belgique, Ctr Phys Globe, Sect Magnetisme Environm, B-5670 Dourbes, Viroinval, Belgium

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2018年 / 537卷

关键词：

Magnetite nanoparticles; Surfactants dependence; Magnetic properties; Structural characterization; Mossbauer spectroscopy; X-RAY-DIFFRACTION; SIZE; SPECTROSCOPY;

D O I：

10.1016/j.colsurfa.2017.10.054

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In presented paper magnetite nanoparticles (MNP), with various types of surface stabilizers has been fabricated. Nanostructures were obtained by thermal decomposition of Fe(acac)(3) precursor in organic solutions. Five types of long-chain carboxylic acids and four types of amines were used for stabilization of nanoparticles. It was also tested, how surfactant concentration influences on the nanoparticles morphology and its properties. Obtained nanoparticles were examined by X-ray diffraction, Transmission Electron Microscopy and Infrared spectroscopy. Magnetic properties of the nanoparticles were tested by Mssbauer spectroscopy and Vibrating Sample Magnetometry. Magnetization and Mssbauer measurements show how stabilizer layer influence the magnetic state of particles. It has been analyzed the importance of the C-C chain length, its spatial configuration or compound properties on magnetic state of the particles for few examples. From tested agents as a best, giving most even in shape and well distributed nanoparticles, hexylamine was selected.

引用

页码：452 / 459

页数：8

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