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How Do Ionic Superdiscs Self-assemble in Nanopores? by Li, Zhuoqing; Raab, Aileen R.; Kolmangadi, Mohamed A.; Busch, Mark; Grunwald, Marco; Demel, Felix; Bertram, Florian; Kityk, Andriy V.; Schoenhals, Andreas; Laschat, Sabine; Huber, Patrick is a scholarly article available to read on EtoBox.

What is How Do Ionic Superdiscs Self-assemble in Nanopores? about?

Discotic ionic liquid crystals (DILCs) consist of self-assembled superdiscs of cations and anions that spontaneously stack in linear columns with high one-dimensional ionic and electronic charge mobility, making them prominent model systems for functional soft matter. Unfortunately, a homogeneous alignment of DILCs on the macroscale is often not achievable, which significantly limits their applicability. Infiltration into nanoporous solid scaffolds can in principle overcome this drawback. However, due to the extreme experimental challenges to scrutinise liquid crystalline order in extreme spatial confinement, little is known about the structures of DILCs in nanopores. Here, we present temperature-dependent high-resolution optical birefringence measurement and 3D reciprocal space mapping based on synchrotron-based X-ray scattering to investigate the thermotropic phase behaviour of dopamine-based ionic liquid crystals confined in cylindrical channels of 180~nm diameter in macroscopic anodic aluminum oxide (AAO) membranes. As a function of the membranes' hydrophilicity and thus the molecular anchoring to the pore walls (edge-on or face-on) and the variation of the hydrophilic-hydropho

Author

Li, Zhuoqing; Raab, Aileen R.; Kolmangadi, Mohamed A.; Busch, Mark; Grunwald, Marco; Demel, Felix; Bertram, Florian; Kityk, Andriy V.; Schoenhals, Andreas; Laschat, Sabine; Huber, Patrick

Published

2024

Language

EN