Issue 11, 2023

Direct 129Xe-NMR spectroscopy evidence of a mesogenic dendrimer with free void space

Abstract

A dendrimer with three-fold symmetry and piperazinoamido moieties was prepared in ∼35% yield. This molecule was observed to exhibit columnar phases on thermal treatment and have free void space in the mesogenic and solid states based on a 129Xe-NMR study. The piperazinoamido moiety was indicated in a theoretical calculation to cause the dendritic framework to become twisted between the central core and periphery—thus resulting in the dendrimer forming a free void space inside the framework after having self-assembled into columnar stacks.

Graphical abstract: Direct 129Xe-NMR spectroscopy evidence of a mesogenic dendrimer with free void space

Supplementary files

Article information

Article type
Communication
Submitted
10 Febr. 2023
Accepted
25 Febr. 2023
First published
28 Febr. 2023

J. Mater. Chem. C, 2023,11, 3710-3714

Direct 129Xe-NMR spectroscopy evidence of a mesogenic dendrimer with free void space

Y. Lu, R. Anedda, H. Chen, H. Hsu, S. Hsu, C. Ratcliffe, L. Lai, J. Ripmeester and H. Hsu, J. Mater. Chem. C, 2023, 11, 3710 DOI: 10.1039/D3TC00486D

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