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Title: Ambipolar Charge Transport Properties of Naphthophenanthridine Discotic Liquid Crystals
Authors: Vadivel, Marichandran
Singh, Singh
Singh, Dharmendra Pratap
Raghunathan, V.A.
Kumar, Sandeep
Issue Date: Sep-2021
Publisher: American Chemical Society
Citation: The Journal of Physical Chemistry B, 2021, Vol.125, p10364-10372
Abstract: A series of novel naphthophenanthridine derivatives are synthesized via N-annulation of hexabutoxytriphenylene-1-amine with various aliphatic aldehydes through the Pictet–Spengler reaction. The synthesized derivatives have been found to self-assemble into a columnar hexagonal mesophase over a wide temperature range, as validated through polarized optical microscopy, differential scanning calorimetry and X-ray diffraction experiments. The photophysical properties of these compounds were studied using UV–visible and emission spectroscopy. The synthesized compounds exhibit ambipolar charge transport, showing temperature-independent electron and hole mobility on the order of 3 × 10–4 cm2/V s, as evaluated by the time-of-flight technique. These novel N-annulated derivatives can be of immense potential toward semiconducting applications of self-assembling supramolecular systems.
Description: Restricted Access.
ISSN: 1520-6106
1520-5207 (Online)
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Copyright: 2021 American Chemical Society
Appears in Collections:Research Papers (SCM)

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