Issue 15, 2025

Mapping the structure-function landscape of semiconducting polymers

Abstract

The molecular design of semiconducting polymers (SCPs) has been largely guided by varying monomer combinations and sequences by leveraging a robust understanding of charge transport mechanisms. However, the connection between controllable structural features and resulting electronic disorder remains elusive, leaving design rules for next-generation SCPs undefined. Using high-throughput computational methods, we analyse 100+ state-of-the-art p- and n-type polymer models. This exhaustive dataset allows for deriving statistically significant design rules. Our analysis disentangles the impact of key structural features, examining existing hypotheses, and identifying new structure–property relationships. For instance, we show that polymer rigidity has minimal impact on charge transport, while the planarity persistence length, introduced here, is a superior structural characteristic. Additionally, the predictive power of machine learning models trained on our dataset highlights the potential of data-driven approaches to SCP design, laying the groundwork for accelerated discovery of materials with tailored electronic properties.

Graphical abstract: Mapping the structure-function landscape of semiconducting polymers

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Article information

Article type
Communication
Submitted
17 Mar 2025
Accepted
12 May 2025
First published
14 May 2025
This article is Open Access
Creative Commons BY-NC license

Mater. Horiz., 2025,12, 5723-5732

Mapping the structure-function landscape of semiconducting polymers

H. Makki, C. Burke, C. B. Nielsen and A. Troisi, Mater. Horiz., 2025, 12, 5723 DOI: 10.1039/D5MH00485C

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