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Updated: Apr 25, 2026

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
Published on: June 9, 2023
Positive magneto-LC effect in conjugated spin-bearing hexabenzocoronene
Prince Ravat1, Tomasz Marszalek, Wojciech Pisula
1Max Planck Institute for Polymer Research , Ackermannweg-10, D-55128, Mainz, Germany.
Abstract:
The first neutral spin carrying hexabenzocoronene (HBC) derivative is described. The conjugated phenyl nitroxide substituted HBC with five alkyl chains exhibits a positive magneto-LC effect in columnar hexagonal liquid crystalline phase as probed by differential scanning calorimetry and electron paramagnetic resonance spectroscopy. Surprisingly, at 140 K the ΔMS = 2 transition can be observed indicating a thermally accessible triplet state between the neighboring molecules in the columnar arrangements.
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