Ultrasound Effect on Molecules of Sodium Dodecyl Sulphate as Systems of Nanoparticles

Authors I.G. Vorobiova1, Yu.A. Mirgorod2, A.S. Chekadanov2
Affiliations

1Sumy State University, 2, Rimskyi-Korsakov Str., 40007 Sumy, Ukraine

2Southwest State University, 94, 50 Let Oktiabria Str., 305040 Kursk, Russia

Е-mail [email protected]
Issue Volume 10, Year 2018, Number 6
Dates Received 25 August 2018; revised manuscript received 07 December 2018; published online 18 December 2018
Citation I.G. Vorobiova, Yu.A. Mirgorod, A.S. Chekadanov, J. Nano- Electron. Phys. 10 No 6, 06013 (2018)
DOI https://doi.org/10.21272/jnep.10(6).06013
PACS Number(s) 81.16.Be
Keywords Ultrasound (3) , Sodium dodecyl sulphate, Micelles (5) , Small-angle X-ray scattering (6) , Water structure.
Annotation

The article studies ultrasound effect on molecules of sodium dodecyl sulphate (SDS) and on critical micelle concentration (CMC). Ultrasound had no effect on degradation and decomposition of water molecules. Small-angle X-ray scattering was applied to study miscellar solutions of SDS before and after sonication. X-ray spectra were analyzed with an approach which does not take the micelle model into consideration. On ultrasonic treatment, diameter of SDS micelle nucleus decreased from 2.6 to 2.4 nm and of the whole micelle from 6.0 to 4.6 nm. Obtained results were explained on the basis of a hypothesis of micelle dual properties. Ultrasound increases presence of high density liquid (HDL) in a micelle at the cost of low density liquid (LDL).

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