Issue 19, 2022

Sulfur-bridged chromophores for photofunctional materials: using sulfur oxidation state to tune electronic and structural properties

Abstract

The use of a heteroatom, such as sulfur, as a linker or bridge, in π-conjugated materials has advantages over purely carbon-based ones due to the accessibility of higher oxidation states as a result of hypervalence. Materials containing a sulfide bridge (S) can be systemically oxidized into sulfoxides (SO) and sulfones (SO2), each of which can then influence how a material interacts with light, playing a large role in dictating the photophysical and sometimes photochemical properties. In this perspective, we summarize the progress that our group and others have made, showing how oxidation of a sulfur bridge in symmetric bichromophoric dimers and in diimine ligands can influence the excited state behavior in organic π-conjugated materials and metal complexes.

Graphical abstract: Sulfur-bridged chromophores for photofunctional materials: using sulfur oxidation state to tune electronic and structural properties

Article information

Article type
Perspective
Submitted
23 feb 2022
Accepted
09 apr 2022
First published
28 apr 2022
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2022,13, 5447-5464

Sulfur-bridged chromophores for photofunctional materials: using sulfur oxidation state to tune electronic and structural properties

J. Yuan, Z. Xu and M. O. Wolf, Chem. Sci., 2022, 13, 5447 DOI: 10.1039/D2SC01128J

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