Issue 92, 2023

Heteroatom-boron-heteroatom-doped π-conjugated systems: structures, synthesis and photofunctional properties

Abstract

The potency of heteroatom-doping in reshaping optoelectronic properties arises from the distinct electronegativity variations between heteroatoms and carbon atoms. By incorporating two heteroatoms with differing electronegativities (e.g., B = N), not only is the architectural coherence of π-conjugated systems retained, but also dipolar traits are introduced, accompanied by unique intermolecular interactions absent in their all-carbon analogs. Another burgeoning doping strategy, featuring the heteroatom–boron–heteroatom motif (X–B–X, where X = N, O), has captured growing attention. This configuration's coexistence of the boron-heteroatom unit and an isolated heteroatom stimulates mutual modulation in the dipole of the boron-heteroatom unit and the heteroatom's electronegativity. In this Feature article, we present an encompassing survey of XBX-doped π-conjugated systems, elucidating how the integration of the X–B–X unit induces transformative structural and property changes within π-conjugated systems.

Graphical abstract: Heteroatom-boron-heteroatom-doped π-conjugated systems: structures, synthesis and photofunctional properties

Article information

Article type
Feature Article
Submitted
31 Leq 2023
Accepted
23 Dit 2023
First published
24 Dit 2023

Chem. Commun., 2023,59, 13679-13689

Heteroatom-boron-heteroatom-doped π-conjugated systems: structures, synthesis and photofunctional properties

T. Ma, J. Dong and D. Yang, Chem. Commun., 2023, 59, 13679 DOI: 10.1039/D3CC04302A

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