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A series of intramolecular π-stacked molecules as new-concept supramolecular organic semiconductors have been designed by means of the ortho-substituted steric hindrance of diarylfluorenes and facile synthesized via the key step of BF 3 ·Et 2 O-mediated Friedel–Crafts reaction of carbinols. Their intramolecular π–π stacking interactions were corroborated by the X-ray crystallography,...
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