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Charge transfer liquid: a stable donor–acceptor interaction in the solvent-free liquid state

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Abstract

Charge-transfer complexes have been an inspiration to develop many functional soft materials. However, most of those studies have focused on solution based assemblies wherein the explicit control of solvents and their polarity are crucial. In this context, we explore an efficient and stable charge transfer liquid using a solvent-free liquid dialkoxynaphthalene donor and a naphthalenediimide acceptor. It has been observed that irrespective of the donor–acceptor ratio, the charge-transfer liquid exhibited an unprecedented stability and retained characteristic features even at increased temperatures. The underlying intermolecular interactions leading to efficient CT have been examined by NMR techniques together with theoretical modelling studies. The concept of charge transfer liquid will be highly beneficial for the development of processable optoelectronically active materials.

Graphical abstract: Charge transfer liquid: a stable donor–acceptor interaction in the solvent-free liquid state

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Publication details

The article was received on 13 May 2019, accepted on 10 Jul 2019 and first published on 11 Jul 2019


Article type: Communication
DOI: 10.1039/C9CC03671G
Chem. Commun., 2019, Advance Article

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    Charge transfer liquid: a stable donor–acceptor interaction in the solvent-free liquid state

    V. C. Wakchaure, L. V. Pillai, Goudappagouda, K. C. Ranjeesh, S. Chakrabarty, S. Ravindranathan, P. R. Rajamohanan and S. S. Babu, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC03671G

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