Issue 33, 2023

Non-isothermal cold crystallization of liquid crystalline porphyrins

Abstract

A series of liquid crystalline porphyrins was synthesized, purified, and characterized. Differential scanning calorimetry (DSC) and hot-stage polarized optical microscopy (HS-POM) revealed that the porphyrins in the series with shorter alkyl arm lengths exhibit kinetic cold crystallization, wherein the molecules spontaneously organize into large, disc-like structures that remain stable upon cooling. Using DSC, the kinetic and thermodynamic parameters related to these materials were determined. Analysis of non-isothermal crystallization revealed the presence of multiple nucleation and growth processes related to cold crystallization.

Graphical abstract: Non-isothermal cold crystallization of liquid crystalline porphyrins

Supplementary files

Article information

Article type
Paper
Submitted
09 Jun 2023
Accepted
10 Aug 2023
First published
10 Aug 2023

Soft Matter, 2023,19, 6414-6422

Author version available

Non-isothermal cold crystallization of liquid crystalline porphyrins

A. L. Dorfner, D. P. Locoteta, C. D. Messinger, M. R. Ramsey, N. Y. Kim, E. Sadzaglishvili, J. C. Kranick, J. S. Kuehner, C. J. Timony, M. Langton, J. E. Winklarek, L. J. Tucker and J. L. O’Donnell, Soft Matter, 2023, 19, 6414 DOI: 10.1039/D3SM00760J

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