Wet-chemical synthesis of chiral colloids

Samia Ouhajji, Bas G.P. van Ravensteijn, Carla Fernández-Rico, Kanvaly S. Lacina, Albert P. Philipse, Andrei V. Petukhov

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Samenvatting

We disclose a method for the synthesis of chiral colloids from spontaneously formed hollow sugar-surfactant microtubes with internally confined mobile colloidal spheres. Key feature of our approach is the grafting of colloid surfaces with photoresponsive coumarin moieties, which allow for UV-induced, covalent clicking of colloids into permanent chains, with morphologies set by the colloid-to-tube diameter ratio. Subsequent dissolution of tube confinement yields aqueous suspensions that comprise bulk quantities of a variety of linear chains, including single helical chains of polystyrene colloids. These colloidal equivalents of chiral (DNA) molecules are intended for microscopic study of chiral dynamics on a single-particle level.

Originele taal-2Engels
Pagina's (van-tot)12089-12095
Aantal pagina's7
TijdschriftACS Nano
Volume12
Nummer van het tijdschrift12
DOI's
StatusGepubliceerd - 26 dec 2018

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Citeer dit

Ouhajji, S., van Ravensteijn, B. G. P., Fernández-Rico, C., Lacina, K. S., Philipse, A. P., & Petukhov, A. V. (2018). Wet-chemical synthesis of chiral colloids. ACS Nano, 12(12), 12089-12095. https://doi.org/10.1021/acsnano.8b05065