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3 October 2022 Sidechain modification of ethynyl acenes: effects on solid-state packing and molecular stability (Conference Presentation)
Karl Thorley, Derek Dremann, Sean Parkin, Oana Jurchescu, John Anthony
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Proceedings Volume PC12211, Organic and Hybrid Field-Effect Transistors XXI; PC122110A (2022) https://doi.org/10.1117/12.2632252
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States
Abstract
Acenes have been utilised as organic semiconductors for the last few decades. Attaching ethynyl groups to their core increases stability and solubility, allowing solution processing of these materials into opto-electronic devices. Side chain engineering can control the solid-state packing and affect charge transport in OFET devices. We report on the use of carbon side chains in place of the ubiquitous alkylsilyl groups, where subtle changes dramatically affect the crystal packing and therefore the applicability of these materials for use in organic electronics. Changes in sidechain can also affect the molecular properties and in particular the photostability of these materials.
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Karl Thorley, Derek Dremann, Sean Parkin, Oana Jurchescu, and John Anthony "Sidechain modification of ethynyl acenes: effects on solid-state packing and molecular stability (Conference Presentation)", Proc. SPIE PC12211, Organic and Hybrid Field-Effect Transistors XXI, PC122110A (3 October 2022); https://doi.org/10.1117/12.2632252
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KEYWORDS
Solid state electronics
Carbon
Crystals
Silicon
Silicon carbide
Molecules
Optoelectronics
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