Twisted hexabenzoperylenes (HBPs) that are equipped with four methoxyl groups and two alkyl chains self-assemble into lamellar semiconductors with an unusual brickwork arrangement of twisted π-faces. As a result of this brickwork arrangement, through a dip-coating process, these HBPs easily form one-molecule-thick nanosheets that behave as p-type organic semiconductors in monolayer transistors with field-effect mobility of up to 0.076 cm2 V−1 s−1.
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Shan et al. (2015) studied this question.