A comparative study of Fe3O4 nanoparticles modified with different silane compounds

被引：42

作者：

Dincer, Ceren Atila ^{[1
]}

Yildiz, Nuray ^{[1
]}

Aydogan, Nihal ^{[2
]}

Calimli, Ayla ^{[1
]}

机构：

[1] Ankara Univ, Dept Chem Engn, TR-06100 Ankara, Turkey

[2] Hacettepe Univ, Dept Chem Engn, TR-06800 Ankara, Turkey

来源：

APPLIED SURFACE SCIENCE | 2014年 / 318卷

关键词：

Fe3O4; nanoparticles; Silane compounds; Surface modification; IRON-OXIDE NANOPARTICLES; MAGNETIC NANOPARTICLES; FUNCTIONALIZATION; SURFACES;

D O I：

10.1016/j.apsusc.2014.06.069

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：

Magnetic Fe3O4 nanoparticles were synthesized by the co-precipitation method and modified with three different silane compounds (3-(trimethoxysilyl)propyl methacrylate, MPTMS; 3-(triethoxysilyl)propyl methacrylate, MPTES and triethoxyvinylsilane, VS). The nanoparticles were analyzed by FTIR, TEM, XRD, SEM-EDS, TGA and VSM. In addition, contact angle measurements were performed to determine the modification efficiency of silanes. The average particle size of Fe3O4 nanoparticles was found as 8.8 +/- 1.8 nm. The results showed that the structure of Fe3O4 nanoparticles were not affected by the surface modification. The most effective modification was obtained by VS with 7.8 +/- 1.0 nm average particle size and 83% (<= 10 nm) particle size distribution. VSM curves showed that Fe3O4 and also surface modified nanoparticles exhibited superparamagnetic behaviour. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：297 / 304

页数：8

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