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Effect of dicationic ionic liquids on lyotropic liquid crystals formed by a binary system composed of Triton-X 100 and water

Thieghi, Leila T.; Longo Jr, Luiz S.; Licence, Peter; Alves, Sarah

Authors

Leila T. Thieghi

Luiz S. Longo Jr luiz.longo@unifesp.br

Sarah Alves



Abstract

In this work, binary mixtures of a non-ionic surfactant (Triton X-100) and water were studied with concentrations of 30%wt H2O, showing, lamellar mesophase at temperatures below 10oC. Different dicationic ionic liquids were used for doping these mesophases: 1,n-bis(3-methylimidazolium-1-yl)alkane, 1,n-bis(1-methylpyrrolidinium-1-yl)alkane and 1,n-bis(pyridinium-N-yl)alkane dibromide, where n = 6 and 8. Polarized Optical Microscopy and Small-Angle X-ray Scattering were used for identifying the mesophases and the influence of different dicationic ionic liquids on the lyotropic liquid crystals phase transitions. The addition of dicationic ionic liquids to the lyotropic liquid crystals samples led to changes in transition temperature and in mesophase structure itself (such as characteristic distances).

Citation

Thieghi, L. T., Longo Jr, L. S., Licence, P., & Alves, S. (in press). Effect of dicationic ionic liquids on lyotropic liquid crystals formed by a binary system composed of Triton-X 100 and water. Molecular Crystals and Liquid Crystals, 657(1), https://doi.org/10.1080/15421406.2017.1403241

Journal Article Type Article
Acceptance Date Jan 18, 2018
Online Publication Date Jan 18, 2018
Deposit Date Feb 20, 2018
Publicly Available Date Jan 19, 2019
Journal Molecular Crystals and Liquid Crystals
Print ISSN 1542-1406
Electronic ISSN 1563-5287
Publisher Taylor & Francis Open
Peer Reviewed Peer Reviewed
Volume 657
Issue 1
DOI https://doi.org/10.1080/15421406.2017.1403241
Keywords Lyotropic liquid crystal; Dicationic ionic liquids; Binary system Triton-X; Lamellar mesophase
Public URL http://eprints.nottingham.ac.uk/id/eprint/49851
Publisher URL http://www.tandfonline.com/doi/full/10.1080/15421406.2017.1403241
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf
Additional Information This is an Accepted Manuscript of an article published by Taylor & Francis in Molecular Crystals and Liquid Crystals on 18/01/2018, available online: http://www.tandfonline.com/10.1080/15421406.2017.1403241

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Pete Licence Effect of dicationic ionic liquids.pdf (786 Kb)
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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