Coercing assembly of donor-acceptor complexes with hydrogen-bonded frameworks

Yusov, A; Dillon, AM; Hu, CT; Lee, SS; Ward, MD

Abstract

Guanidinium organosulfonate (GS) hydrogen-bonded frameworks (HBFs) constructed from three different naphthalenesulfonates incorporate the electron acceptor tetracyanoquinodimethane (TCNQ) as a guest molecule, with framework architectures that reflect synergy between the persistent 2D hydrogen-bonded GS network and donor-acceptor interactions. The spectroscopic and computational results confirm weak charge-transfer in-teractions associated with the formation of mixed stacks containing naphthalene donors and TCNQ acceptors that are enforced by the GS framework, suggesting opportunities for the synthesis of new optoelectronic materials through a combination of molecular and crystal design.

Keywords: Hydrogen bonded frameworks; Tetracyanoquinodimethane; Charge transfer; Solid-state organic materials; Single crystal; Crystallography

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