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

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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).

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

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Publication details

The article was received on 14 Oct 2019, accepted on 20 Nov 2019 and first published on 21 Nov 2019


Article type: Research Article
DOI: 10.1039/C9QM00636B
Mater. Chem. Front., 2020, Advance Article

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

    Y. Tsai, G. Raffy, H. Liu, B. Peng, K. Tseng, L. Hirsch, A. Del Guerzo, D. M. Bassani and K. Wong, Mater. Chem. Front., 2020, Advance Article , DOI: 10.1039/C9QM00636B

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