Applying Heteroatom Substitution in Organic Photovoltaics

Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]
Joseph G ManionDwight S Seferos

Abstract

Poly(3-alkylthiophene) (P3AT) has been a central focus of research on organic photovoltaics (OPVs) for well over a decade. Due to their controlled synthesis P3ATs have proven to be a vital model system for developing an understanding of the effects of polymer structure on optoelectronic properties and blend morphology in bulk heterojunction OPVs. Similar to their thiophene counterparts, selenophene and tellurophene can be polymerized in a controlled manner. As single atom substitution results in significant differences in absorption, charge transport and self-assembly these model systems provide a unique opportunity to probe fundamental structure-property relationships. In this account, we provide an overview of our work on copolymers of thiophene and selenophene and examine how the optoelectronic and morphological behavior of these materials can be strategically adjusted through polymer design. We also highlight recent developments on poly(3-alkyltellurophene) and comment on its future in fundamental and applied studies.

References

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Citations

Dec 14, 2019·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Eric Rivard
Feb 15, 2020·Chemical Science·Gabrielle C Hoover, Dwight S Seferos
Apr 6, 2020·Chemical Science·Garion E J HicksDwight S Seferos
Dec 3, 2021·Inorganic Chemistry·Harrison A MillsAlexander M Spokoyny
Dec 10, 2021·Physical Chemistry Chemical Physics : PCCP·Tamanna PooniaJennifer van Wijngaarden

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