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The synthesis of α-Fe2O3 nanorings with the help of Cd2+ divalent metal cations (CROSBI ID 600330)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Thaper, Sonal ; Gotić, Marijan The synthesis of α-Fe2O3 nanorings with the help of Cd2+ divalent metal cations // International Conference of the Application of the Moussbauer Effect (ICAME 2013) : Book of Abstracts / Musić, Svetozar ; Ristić, Mira ; Krehula, Stjepko et al. (ur.). Zagreb: Institut Ruđer Bošković, 2013. str. 91-91

Podaci o odgovornosti

Thaper, Sonal ; Gotić, Marijan

engleski

The synthesis of α-Fe2O3 nanorings with the help of Cd2+ divalent metal cations

There is a long tradition in the synthesis of iron oxide particles with tailored chemical composition, shape and size. In order to modify the shape of iron oxide particles a lot of different surfactants, organic molecules, cations and anions have been used. In particular, phosphate anions have often been used to this end. It has been shown that the concentration of phosphate ions has a significant impact on the axial ratio of hematite particles. However, in spite of a long tradition of the synthetic iron oxide chemistry a convenient and reproducible one-pot procedure for a large-scale synthesis of iron oxide nanotubes and nanorings has been recently developed by Jia et al.1. These authors have shown that phosphate anions can induce the preferential dissolution of the hematite spindle precursor to form single-crystalline iron oxide nanotubes. The same authors2 introduced sulphate anions into the system in order to achieve a better control of its morphology and this double anion mediation resulted in the synthesis of iron oxide nanorings. Contrary to the approach of introducing additional anions for better control of hematite nanotube/nanoring morphology, Gotić et al.3 have exploited the benefits of introducing the divalent metal cations M2+ (M = Mn, Cu, Zn, Ni) into the system. With an increased M2+ addition the aspect ratio of hematite nanotubes gradually decreases and as a result hematite nanorings are formed. However, the role of the divalent metal cations in the formation of hematite nanorings is not fully understood. In this work, the influence of Cd2+ on the hematite (α-Fe2O3) nanotube morphology was studied in order to better understand the role of divalent metal cations in the formation of nanorings morphology.

hematite; nanorings; synthesis; Cd cations

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Podaci o prilogu

91-91.

2013.

objavljeno

Podaci o matičnoj publikaciji

Musić, Svetozar ; Ristić, Mira ; Krehula, Stjepko ; Petrović, Željka

Zagreb: Institut Ruđer Bošković

978-953-6690-97-8

Podaci o skupu

International Conference of the Application of the Moussbauer Effect

poster

01.09.2013-06.09.2013

Opatija, Hrvatska

Povezanost rada

Kemija