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Reconfiguration of π-Conjugated Superstructures Enabled by Redox-Assisted Assembly

Abstract

Diverging from conventional heating-cooling processes, we show that redox treatment of one-dimensional (1D) PDI-based supramolecular polymers can assist in navigating the assembly free-energy landscape and engender the creation of kinetically trapped superstructures characterized by structure-function relationships not evidenced in initially formed, equilibrium architectures. By combining spectroscopic and microscopic characterization, we demonstrate that an increase of free-exciton bandwidth is correlated with the formation of hierarchical mesoscale materials that are exclusively formed during redox-assisted assembly. In addition, comparison of the photophysical and solid-state properties elucidated for assemblies that feature different building block have allowed us to unravel critical design principles to consider during redox-assisted assembly. We posit that this work delivers a new tool to tune function-properties of π-conjugated superstructures initially nested in the thermodynamic, equilibrium state.

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Publication details

The article was received on 09 Mar 2019, accepted on 08 Apr 2019 and first published on 08 Apr 2019


Article type: Communication
DOI: 10.1039/C9CC01939A
Citation: Chem. Commun., 2019, Accepted Manuscript

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    Reconfiguration of π-Conjugated Superstructures Enabled by Redox-Assisted Assembly

    K. Liu, A. Mukhopadhyay, A. Ashcraft, C. Liu, A. Levy, P. Blackwelder and J. Olivier, Chem. Commun., 2019, Accepted Manuscript , DOI: 10.1039/C9CC01939A

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