Investigation of binary polymer/surfactant or ternary polymer/surfactant/Cu2+ complexes in aqueous solution through Nile red probing

摘要: The optical properties (absorption and emission) of Nile red have been widely used for staining or probing purposes in diverse aqueous systems. However, the applications determination critical aggregation concentration polymer/surfactant complexes investigation ternary polymer/surfactant/Cu2+ systems are very limited. interactions between anionic polyelectrolytes oppositely charged surfactant N,N,N,N-dodecyltrimethylammonium chloride were investigated dilute solution, exploiting red. It is shown that emission present better sensitivity than its absorption properties, concerning detection hydrophobic formed solution. Moreover, it found formation leads to a pronounced quenching luminescence corresponding Stern–Volmer plots indicate more favourable when coordination Cu2+ ions with poly(sodium acrylate) takes place, as compared simple electrostatic binding these styrene sulfonate). sensitive accurate tool, an alternative pyrene, characterization binary obtaining information on local arrangement Copyright © 2010 Society Chemical Industry