Formation of Fe(0)-Nanoparticles via Reduction of Fe(II) Compounds by Amino Acids and Their Subsequent Oxidation to Iron Oxides

被引：48

作者：

Klacanova, K. ^{[1
]}

Fodran, P. ^{[2
]}

Simon, P. ^{[3
]}

Rapta, P. ^{[3
]}

Boca, R. ^{[4
]}

Jorik, V. ^{[4
]}

Miglierini, M. ^{[5
]}

Kolek, E. ^{[6
]}

Caplovic, L'. ^{[7
]}

机构：

[1] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Inst Biochem Nutr & Hlth Protect, Dept Nutr & Food Assessment, Bratislava 81237, Slovakia

[2] FLOP Inc, Bratislava 85110, Slovakia

[3] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Inst Phys Chem & Chem Phys, Dept Phys Chem, Bratislava 81237, Slovakia

[4] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Inst Inorgan Chem Technol & Mat, Dept Inorgan Chem, Bratislava 81237, Slovakia

[5] Slovak Univ Technol Bratislava, Fac Elect Engn & Informat Technol, Inst Nucl & Phys Engn, Dept Nucl Phys & Technol, Bratislava 81219, Slovakia

[6] Food Res Inst, Bratislava 82475, Slovakia

[7] Slovak Univ Technol, Fac Mat Sci & Technol, Inst Mat Sci, Trnava 91724, Slovakia

来源：

JOURNAL OF CHEMISTRY | 2013年 / 2013卷

关键词：

NANOPARTICLES;

D O I：

10.1155/2013/961629

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Iron nanoparticles were prepared by the reduction of central Fe(II) ion in the coordination compounds with amino acid ligands. The anion of the amino acid used as a ligand acted as the reducing agent. Conditions for the reduction were very mild; the temperature did not exceed 52 degrees C, and the optimum pH was between 9.5 and 9.7. The metal ion precipitated as a mirror on the flask or as a colloid in water. Identification of the product was carried out by measuring UV/VIS spectra of the iron nanoparticles in water. The ion nanoparticles were oxidized by oxygen yielding a mixture of iron oxides. Oxidation of Fe(0) to Fe(II) took several seconds under air. The size and properties of iron oxide nanoparticles were studied by UV/VIS, TEM investigation, RTG diffractometry, Mossbauer spectroscopy, magnetometry, thermogravimetry, and GC/MS.

引用

页数：10

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