Surface engineering of Co and FeCo nanoparticles for biomedical application

被引：58

作者：

Behrens, Silke

Boennemann, Helmut

Matoussevitch, Nina

Gorschinski, Angelika

Dinjus, Eckhard

Habicht, Wilhelm

Bolle, Jens

Zinoveva, Svetlana

Palina, Natalie

Hormes, Josef

Modrow, Hartwig

Bahr, Stephan

Kempter, Volker

机构：

[1] Forschungszentrum Karlsruhe, Inst Tech Chem, Bereich Chem Phys Verfahren, D-76021 Karlsruhe, Germany

[2] Heidelberg Univ, D-69117 Heidelberg, Germany

[3] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany

[4] Forschungszentrum Karlsruhe, Inst Tech Chem, Bereich Wasser Geotechnol, D-76021 Karlsruhe, Germany

[5] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

[6] Tech Univ Clausthal, Inst Phys & Phys Technol, D-38678 Clausthal Zellerfeld, Germany

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2006年 / 18卷 / 38期

关键词：

D O I：

10.1088/0953-8984/18/38/S02

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Monodisperse Co, Fe, and FeCo nanoparticles are prepared via thermal decomposition of metal carbonyls in the presence of aluminium alkyls, yielding air-stable magnetic metal nanoparticles after surface passivation. The particles are characterized by electron microscopy (SEM, TEM, ESI), electron spectroscopy (MIES, UPS, and XPS) and x-ray absorption spectroscopy (EXAFS). The particles are peptized by surfactants to form stable magnetic fluids in various organic media and water, exhibiting a high volume concentration and a high saturation magnetization. In view of potential biomedical applications of the particles, several procedures for surface modification are presented, including peptization by functional organic molecules, silanization, and in situ polymerization.

引用

页码：S2543 / S2561

页数：19

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