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BY-NC-ND 3.0 license Open Access Published by De Gruyter Open Access December 21, 2013

Spectroscopic route to monitoring individual surfactant ions and micelles in aqueous solution: A case study

  • Junfeng Geng EMAIL logo , Brian Johnson , Andrew Wheatley and Jack Luo
From the journal Open Chemistry


Using a very popular and commonly used surfactant sodium dodecylbenzene sulfonate (SDBS, C18H29SO3Na) for a case study, we report a new method of monitoring different forms of surfactant molecules in aqueous solution and measuring their critical micelle concentration (CMC) by ultraviolet-visible (UV-Vis) spectroscopy. The forms of SDBS micelles are also investigated by synthesizing and characterizing NiB nanoparticles using the micelles as molecular templates. In addition, the observed shifts of UV-Vis bands are analysed from the viewpoint of the electrons locations and distributions within the molecules and the possible overlap of their electronic orbitals between neighbouring molecules in each micelle.

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Published Online: 2013-12-21
Published in Print: 2014-3-1

© 2014 Versita Warsaw

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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