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Photon Correlation Spectroscopy and SAXS Study of Cylindrical to Spherical Transition in the AOT Microemulsion by Changing Solvent

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Author(s): Khadijeh Nikjoo | Mousa Aliahmad | Soheil Sharifi | Mohsen Sargazi

Journal: Soft Nanoscience Letters
ISSN 2160-0600

Volume: 02;
Issue: 02;
Start page: 17;
Date: 2012;
Original page

Keywords: Nano-Size | Droplet | Microemulsions | Photon Correlation Spectroscopy | SAXS | Diffusion

ABSTRACT
We study dynamic and structure of nano-droplets of AOT/water/oil microemulsion with different oils at water/AOT molar ratio of 6.7. Photon correlation spectroscopy is used to study collective diffusion coefficient of nano-droplets at AOT microemulsion with decane and cyclohexane. The collective diffusion coefficient of nanodroples is increasing with change of oil from decane to cyclohexane. The structure of AOT microemulsion with decane and cyclohexane is founded with SAXS. Our results show, nano-droplets of AOT microemulsion with decane at X = 6.7 have cylindrical structure and AOT microemulsion with cyclohexane at X = 6.7 have spherical structure.
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