Synthesis of Fe_4[Fe(CN)_6]_3·14H_2O Nanopowder by Co-Precipitation Technique and Effect of Heat Treatment

• Authors: S. Rohilla , B. Lal , S. Sunder , P. Aghamkar , S. Kumar , A. Aggarwal
• Languages of publication: EN

Abstracts

EN

Nanopowder of iron cyanide hydrate (member of Prussian blue family) was obtained using ferric chloride and potassium cyanide in their dilute solution through co-precipitation method. The effect of thermal annealing on iron cyanide hydrate nanocrystallites have been studied in detail. The formation of Fe_4[Fe(CN)_6]_3·14H_2O and iron oxides was revealed by the Fourier transform infrared spectroscopy. The crystal structure, morphology and size of nanocrystallites were investigated by X-ray diffraction and transmission electron microscope. Results suggest that using co-precipitation technique, nanopowder of iron cyanide hydrate, in typically spherical shape, can be obtained and their thermal treatment also yield iron oxide nanocrystallites of spherical with good homogeneity. The size of the prepared nanocrystallites was found in the range 20-36 nm. It was observed that thermal treatment, typically at 800°C (4 h), iron cyanide hydrate (Fe_4[Fe(CN)_6]_3·14H_2O) nanocrystallites transformed into iron oxide (α-Fe_2O_{3,} hematite) nanocrystallites.

Keywords

EN

81.07.-b; 64.70.Nd; 61.82.Rx

Discipline

• 61.82.Rx: Nanocrystalline materials
• 64.70.Nd: Structural transitions in nanoscale materials
• 81.07.-b: Nanoscale materials and structures: fabrication and characterization(for structure of nanoscale materials, see 61.46.-w; for nanostructured materials in electrochemistry, see 82.45.Yz; see also 62.23.-c Structural classes of nanoscale systems in mechanical properties of condensed matter)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 118
• Issue: 4
• Pages: 696-700

Dates

published

2010-10

received

2010-03-05

(unknown)

2010-06-10

Contributors

author

S. Rohilla

• Materials Science Lab, Department of Applied Physics, Guru Jambheshwar University of Sc. & Tech., Hisar-125001, India
• The Technological Institute of Textile & Sciences, Bhiwani-127021, India

author

B. Lal

• Materials Science Lab, Department of Physics, Chaudhary Devi Lal University, Sirsa-125055, India

author

S. Sunder

• Materials Science Lab, Department of Physics, Chaudhary Devi Lal University, Sirsa-125055, India

author

P. Aghamkar

• Materials Science Lab, Department of Physics, Chaudhary Devi Lal University, Sirsa-125055, India

author

S. Kumar

• Materials Science Lab, Department of Physics, Chaudhary Devi Lal University, Sirsa-125055, India

author

A. Aggarwal

• Materials Science Lab, Department of Applied Physics, Guru Jambheshwar University of Sc. & Tech., Hisar-125001, India

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Identifiers

DOI

10.12693/APhysPolA.118.696