Mesoporous Alumina- and Silica-Based Crystalline Nanocomposites with Tailored Anisotropy: Methodology, Structure and Properties

Kityk, A. V.; Kityk, O.; Piecek, W.; Adamiv, V. T.; Sentker, K.; Wielgosz, R.; Huber, P.; Yaremko, O.; Andrushchak, A.; Busch, Marlene; Shchur, Yaroslav; Lelonek, M.; Vitusevich, Svetlana

doi:10.1109/ICTON.2019.8840025

Contribution to a conference proceedings/Contribution to a book

FZJ-2019-05314

Mesoporous Alumina- and Silica-Based Crystalline Nanocomposites with Tailored Anisotropy: Methodology, Structure and Properties

Kityk, A. V. (Corresponding author) ; Andrushchak, A. ; Shchur, Y.FZJ* ; Adamiv, V. T. ; Yaremko, O. ; Lelonek, M. ; Vitusevich, S.FZJ* ; Kityk, O. ; Wielgosz, R. ; Piecek, W. ; Busch, M. ; Sentker, K. ; Huber, P.

2019
IEEE

2019 21st International Conference on Transparent Optical Networks (ICTON) : [Proceedings] - IEEE, 2019. - ISBN 978-1-7281-2779-8
2019 21st International Conference on Transparent Optical Networks (ICTON), ICTON, Angers, France, 9 Jul 2019 - 13 Jul 2019 IEEE WeC46-1-4 (2019) [10.1109/ICTON.2019.8840025]

This record in other databases:

Please use a persistent id in citations: http://hdl.handle.net/2128/24772 doi:10.1109/ICTON.2019.8840025

Abstract: We present several recently synthesized nanocomposites consisting of liquid crystals as well as an organic molecular crystal embedded into the nanochannels of mesoporous alumina and silica. As liquid-crystalline mesogens achiral, nematogen and chiral cholesteric guest molecules infiltrated into nanochannels by spontaneous imbibition were chosen. The molecular ordering inside the nanochannels, which can be tailored by modifying the surface anchoring, was characterized by optical polarimetry (linear and/or circular birefringence) in combination with X-ray diffraction. For the synthesis of the solid crystalline nanocomposites ferroelectric triglycine sulfate (TGS) nanocrystals were deposited into the nanochannels by slow evaporation of saturated water solutions imbibed into the porous hosts. Their textural and physicochemical properties were explored by x-ray diffraction, scanning electron microscopy and dielectric techniques.

Contributing Institute(s):