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Issue 42, 2020
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High hole mobility in room temperature discotic liquid crystalline tetrathienoanthracenes

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Abstract

Tetrathienoanthracene (TTA), a new discotic core fragment, is explored that shows a remarkably high hole mobility (μh) of 4.22 cm2 V−1 s−1 at room temperature when used in space-charge limited current (SCLC) devices. Strong co-facial interactions (π–π, S⋯S) among TTA cores along with a high tendency of the derivative to align homeotropically in the columnar mesophase over a large area in SCLC cells contributed to the top-class charge carrier mobility.

Graphical abstract: High hole mobility in room temperature discotic liquid crystalline tetrathienoanthracenes

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Supplementary files

Article information


Submitted
16 Feb 2020
Accepted
02 Apr 2020
First published
03 Apr 2020

Chem. Commun., 2020,56, 5629-5632
Article type
Communication

High hole mobility in room temperature discotic liquid crystalline tetrathienoanthracenes

I. Bala, J. De, S. P. Gupta, H. Singh, U. K. Pandey and S. K. Pal, Chem. Commun., 2020, 56, 5629
DOI: 10.1039/D0CC01226B

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