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2D self-assembly has been demonstrated in perylenediimides with twisted chromophores, in which the π-π stacked units are interconnected via hydrogen bonding interactions. Spectroscopic measurements and theoretical calculations suggest a weak J-type exciton coupling in the assembly. High photoconductivity of the 2D crystal makes it a promising candidate for further opto-electronic applications.
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Cao et al. (2012) studied this question.
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