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Nanocomposites of cellulose/iron oxide: influence of synthesis conditions on their morphological behavior and thermal stability
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
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2012 (English)In: Materials science & engineering. C, biomimetic materials, sensors and systems, ISSN 0928-4931, Vol. 32, no 6, 1511-1517 p.Article in journal (Refereed) Published
Abstract [en]

Nanocomposites of cellulose/iron oxide have been successfully prepared by hydrothermal method using cellulose solution and Fe(NO3)(3)center dot 9H(2)O at 180 degrees C. The cellulose solution was obtained by the dissolution of microcrystalline cellulose in NaOH/urea aqueous solution, which is a good system to dissolve cellulose and favors the synthesis of iron oxide without needing any template or other reagents. The phases, microstructure, and morphologies of nanocomposites were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectra (EDS). The effects of the heating time, heating temperature, cellulose concentration, and ferric nitrate concentration on the morphological behavior of products were investigated. The experimental results indicated that the cellulose concentration played an important role in both the phase and shape of iron oxide in nanocomposites. Moreover, the nanocomposites synthesized by using different cellulose concentrations displayed different thermal stabilities. 

Place, publisher, year, edition, pages
2012. Vol. 32, no 6, 1511-1517 p.
Keyword [en]
Cellulose, Iron oxide, Nanocomposites, Hydrothermal, Thermal stability
National Category
Materials Chemistry
URN: urn:nbn:se:uu:diva-178077DOI: 10.1016/j.msec.2012.04.033ISI: 000306030900027OAI: oai:DiVA.org:uu-178077DiVA: diva2:542152
Available from: 2012-07-30 Created: 2012-07-27 Last updated: 2012-07-30Bibliographically approved

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Zhu, Jie-Fang
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