Facile Synthesis of Monodisperse Maghemite and Ferrite Nanocrystals from Metal Powder and Octanoic Acid

被引：20
|
作者：
Salih, Kifah S. M. [1 ]
Mamone, Patrizia [1 ]
Doerr, Gunder [1 ]
Bauer, Thomas O. [2 ]
Brodyanski, Alexander [3 ]
Wagner, Christine [3 ]
Kopnarski, Michael [3 ]
Taylor, Robin N. Klupp [4 ]
Demeshko, Serhiy [5 ]
Meyer, Franc [5 ]
Schuenemann, Volker [2 ]
Ernst, Stefan [1 ]
Goossen, Lukas J. [1 ]
Thiel, Werner R. [1 ]
机构：
[1] Tech Univ Kaiserslautern, Fachbereich Chem, D-67663 Kaiserslautern, Germany
[2] Tech Univ Kaiserslautern, Fachbereich Phys, D-67663 Kaiserslautern, Germany
[3] Inst Oberflachen & Schichtanalyt GmbH, D-67663 Kaiserslautern, Germany
[4] Univ Erlangen Nurnberg, Inst Partikel Technol, D-91058 Erlangen, Germany
[5] Univ Gottingen, Inst Anorgan Chem, D-37077 Gottingen, Germany
来源：
CHEMISTRY OF MATERIALS | 2013年 / 25卷 / 08期
关键词：
maghemite; nanoparticles; ferrites; octanoic acid; TEM; Mossbauer spectroscopy; IRON-OXIDE NANOPARTICLES; CHEMICAL-VAPOR-DEPOSITION; SIZE-CONTROLLED SYNTHESIS; MAGNETIC NANOPARTICLES; MOSSBAUER-SPECTROSCOPY; THERMAL-DECOMPOSITION; COUPLING REACTIONS; COMPLEXES; NANOCATALYSTS; CATALYSTS;
D O I：
10.1021/cm303344z
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：
Extremely small, monodisperse, and spheric maghemite (gamma-Fe2O3, 2-3 nm) and manganese (4-7 nm), cobalt (3-5 nm), and zinc ferrite (5-7 nm) nanocrystals are directly accessible on a large scale starting from inexpensive metal powders and octanoic acid by thermolysis in a high-boiling solvent. Bigger particle size is obtainable by prolonged reaction time according to the Ostwald ripening principle. The superparamagnetic nanocrystals and their assembly have been characterized by transmission electron microscopy, powder X-ray diffraction, Mossbauer spectroscopy, magnetic measurements, and energy-dispersive X-ray spectroscopy.
引用
收藏
页码：1430 / 1435
页数：6
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