31 May 2021 to 4 June 2021
Europe/Berlin timezone

Phase behavior of a confined ionic discotic liquid crystal

3 Jun 2021, 18:00
15m
Oral Presentation (MS13) Fluids in Nanoporous Media MS13

Speaker

Mr Mohamed Kolmangadi (Bundesanstalt für Materialforschung und -prüfung)

Description

Liquid crystalline mesophases in nanoconfinement exhibit intriguing orientational order and phase transition behaviors. Here, the plastic crystal to hexagonal columnar, and hexagonal columnar to isotropic transition temperatures are studied for the guanidinium-based ionic discotic liquid crystal confined in self- ordered nanoporous alumina membranes. The phase transition temperature of the plastic crystal to hexagonal columnar phase is reduced with inverse pore diameter. The hexagonal columnar to isotropic transition is suppressed completely in all pores and a possible explanation is given. The results are of technological relevance for the design of liquid crystal-based devices such as batteries and sensors with optimum tunable properties

Time Block Preference Time Block B (14:00-17:00 CET)
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Primary author

Mr Mohamed Kolmangadi (Bundesanstalt für Materialforschung und -prüfung)

Co-authors

Prof. Andreas Schoenhals (Bundesanstalt für Materialforschung und -prüfung) Prof. Sabine Laschat (Institut für Organische Chemie, Universität Stuttgart) Prof. Patrick Huber (Hamburg University of Technology, Center for Integrated Material Systems CIMMS)

Presentation materials