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Vol. 26 No. 10 (2014): Vol 26 Issue 10

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Mesostructural Evolution of Iron Oxide-SDS Composites: A TEM and PXRD Study

Feihu Li
School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Jiangsu Engineering Technology Center for Environmental Purification Materials Research; Jiangsu Key Lab of Atmospheric Environment Monitor and Pollution Control, Nanjing 210044, P.R. China; Current address: Earth Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States of America
Dongyang Nie
School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Jiangsu Engineering Technology Center for Environmental Purification Materials Research; Jiangsu Key Lab of Atmospheric Environment Monitor and Pollution Control, Nanjing 210044, P.R. China

Corresponding Author(s) : Feihu Li

favorlee@163.com

Asian Journal of Chemistry, Vol. 26 No. 10 (2014): Vol 26 Issue 10

Abstract

In present study, we synthesized iron oxide-sodium dodecyl sulfonate (SDS) composites by using a solvothermal route (ethyl alcohol-water) and demonstrated that the iron oxide-SDS composites undergo a mesostructural transition from lamellar to hexagonal as a function of ageing time. With increasing ageing time, the composite mesostructure evolved from a regular lamellar symmetry to a transitional lamellar-hexagonal symmetry and eventually to an ordered hexagonal symmetry with a unit cell parameter of a = 44 Å. The direct evidences of mesostructural evolution were acquired from transmission electron microscopy and further confirmed by powder X-ray diffraction. A lamellar-to hexagonal transition mechanism was proposed to explain the mesostructural transition of iron oxide-SDS composites.

Keywords

Iron oxides Sodium dodecyl sulfonate Mesostructural transition Lamellar-to-hexagonal
Li, F., & Nie, D. (2014). Mesostructural Evolution of Iron Oxide-SDS Composites: A TEM and PXRD Study. Asian Journal of Chemistry, 26(10), 2889–2892. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/4745
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