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Incorporation of narcissistic self-sorting supramolecular interactions for the spontaneous fabrication of multiple-color solid-state materials for OLED applications

Abstract : A series of six compounds composed of an emissive oligofluorene or dithiophenethiobenzimidazole (p3) core bearing H-bonding biuret molecular recognition motifs in the meta-or para-position was investigated with regard to their propensity to undergo either social or narcissistic self-sorting when deposited from dilute THF solutions. The structural similarity of the compounds uniformly leads to social self-sorting with the exception of two combinations involving p3 for which narcissistic self-sorting is observed instead. Their behavior is attributed to the difference in location of the biuret groups (meta vs. para) combined with a greater structural difference in the conjugated core. Deposition of solutions demonstrating narcissistic self sorting gives rise to ensembles of disk-like aggregates exhibiting two different populations of emission (blue and magenta or yellow and orange).
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https://hal.archives-ouvertes.fr/hal-03042897
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Submitted on : Tuesday, November 2, 2021 - 11:12:34 AM
Last modification on : Tuesday, January 4, 2022 - 5:56:39 AM

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Yu-Tang Tsai, Guillaume Raffy, Hsiang-Fang Liu, Bo-Ji Peng, Kuo-Pi Tseng, et al.. Incorporation of narcissistic self-sorting supramolecular interactions for the spontaneous fabrication of multiple-color solid-state materials for OLED applications. Materials Chemistry Frontiers, Royal Society of Chemistry, 2020, 4 (3), pp.845-850. ⟨10.1039/c9qm00636b⟩. ⟨hal-03042897⟩

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