Non-Peripheral Tetrahexyl-Substituted Vanadyl Phthalocyanines with Intermolecular Cofacial pi-pi Stacking for Solution-Processed Organic Field-Effect Transistors

[摘要]：Four structural isomers of non-peripheral tetrahexyl-substituted vanadyl phthalocyanine can be easily separated using common laboratory column chromatography on a gram scale. The most abundant isomer, 1,8,18,22-tetrahexyl vanadyl phthalocyanine (I-3), adopts intermolecular 2D cofacial pi-pi stacking and exhibits a field-effect mobility of up to 0.13 cm(2) V(-1) s(-1).

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