Impact of bulky phenylalkyl substituents on the air-stable n-channel transistors of birhodanine analogues

Abstract : By introducing bulky 2-phenylethyl groups into sulfur-rich electron acceptors, 5,5′-bithiazolidinylidene-2,2′-dione-4,4′-dithione and 5,5′-bithiazolidinylidene-2,4,2′,4′-tetrathione, electron transport with the mobility of 0.27 cm2 V-1 s-1 with ambient and long-term stability is achieved in thin-film transistors. Bulky groups destroy the intermolecular S-S network, but the long-term transistor stability is maintained. Here, benzyl groups realize one-dimensional stacking structures, whereas 2-phenylethyl groups lead to herringbone structures. © 2018 The Royal Society of Chemistry.
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Submitted on : Wednesday, June 6, 2018 - 2:19:18 PM
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K. Iijima, Y. Le Gal, D. Lorcy, T. Mori. Impact of bulky phenylalkyl substituents on the air-stable n-channel transistors of birhodanine analogues. RSC Advances, Royal Society of Chemistry, 2018, 8 (33), pp.18400-18405. ⟨10.1039/c8ra03362e⟩. ⟨hal-01809170⟩

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