Calix-arene silver nanoparticles interactions with surfactants are charge, size and critical micellar concentration dependent |
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Authors: | Yannick Tauran Arnaud Brioude Patrick Shahgaldian Alessandro Cumbo Beomjoon Kim Florent Perret Anthony W Coleman Imed Montasser |
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Institution: | LMI CNRS UMR 5615, Univ. Lyon 1, Villeurbanne, F69622, France. antony.coleman@adm.univ-lyon1.fr. |
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Abstract: | The interactions of silver nanoparticles capped by various calixn]arenes bearing sulphonate groups at the para and/or phenolic faces with cationic, neutral and anionic surfactants have been studied. Changes in the plasmonic absorption show that only the calix4]arene derivatives sulphonated at the para-position interact and then only with cationic surfactants. The interactions follow the CMC values of the surfactants either as simple molecules or mixed micelles. |
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