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Stable and oriented liquid crystal droplets stabilized by imidazolium ionic liquids

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Resumo:Liquid crystals represent a fascinating intermediate state of matter, with dynamic yet or-ganized molecular features and untapped opportunities in sensing. Several works report the use of liquid crystal droplets formed by microfluidics and stabilized by surfactants such as sodium do-decyl sulfate (SDS). In this work, we explore, for the first time, the potential of surface-active ionic liquids of the imidazolium family as surfactants to generate in high yield, stable and oriented liquid crystal droplets. Our results show that [C12MIM][Cl], in particular, yields stable, uniform and mon-odisperse droplets (diameter 74 ± 6 µm; PDI = 8%) with the liquid crystal in a radial configuration, even when compared with the standard SDS surfactant. These findings reveal an additional application for ionic liquids in the field of soft matter.
Autores principais:Ramou, Efthymia
Outros Autores:Rebordão, Guilherme; Palma, Susana I. C. J.; Roque, Ana C. A.
Assunto:Imidazolium ionic liquids Liquid crystal droplets microfluidics Analytical Chemistry Chemistry (miscellaneous) Molecular Medicine Pharmaceutical Science Drug Discovery Physical and Theoretical Chemistry Organic Chemistry
Ano:2021
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade Nova de Lisboa
Idioma:inglês
Origem:Repositório Institucional da UNL

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