AI Article Synopsis
- Orientational control in thin films is essential for creating effective organic field effect transistors (OFETs).
- Researchers synthesized and characterized three new hybrid materials made of azulene and thiophene, demonstrating that they possess wide smectic E (SmE) liquid crystalline phases.
- Thin films were crafted using a spin-coating method, leading to uniform and well-aligned films, which resulted in OFETs achieving mobilities of around (3.3 ± 0.5) × 10 cm V s.
Article Abstract
Orientational control within thin films is crucial for the preparation of organic field effect transistors (OFETs). The highly ordered liquid crystalline smectic E phase (SmE) is known as a powerful template for solution processed thin films. Here, we describe the synthesis and characterization of three novel azulene-thiophene hybrid materials. Liquid crystalline characterization showed the presence of wide SmE phases. Thin films were prepared by spin-coating at mesophase temperature. Due to the self-aligning properties of the SmE phase uniformly flat films with good molecular alignment were manufactured. Top contact bottom gate OFETs showed mobilities up to (3.3 ± 0.5) × 10 cm V s.
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| http://dx.doi.org/10.1039/d2cp03527h | DOI Listing |
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