From Event: SPIE Organic Photonics + Electronics, 2016
Liquid crystals are a new type of organic semiconductors exhibiting molecular orientation in self-organizing manner, and have high potential for device applications. In fact, various device applications have been proposed so far, including photosensors, solar cells, light emitting diodes, field effect transistors, and so on.. However, device performance in those fabricated with liquid crystals is less than those of devices fabricated with conventional materials in spite of unique features of liquid crystals. Here we discuss how we can utilize the liquid crystallinity in organic transistors and how we can overcome conventional non-liquid crystalline organic transistor materials. Then, we demonstrate high performance organic transistors fabricated with a smectic E liquid crystal of Ph-BTBT-10, which show high mobility of over 10cm2/Vs and high thermal durability of over 200oC in OFETs fabricated with its spin-coated polycrystalline thin films.
Jun-ichi Hanna and Hiroaki Iino, "Liquid crystals for organic transistors
(Conference Presentation)," Proc. SPIE 9940, Liquid Crystals XX, 99400R (Presented at SPIE Organic Photonics + Electronics: August 29, 2016; Published: 2 November 2016); https://doi.org/10.1117/12.2237588.5167077759001.
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