ankush-kumar-mishra/InSpecLearn4SDL: InSpecLearn4SDL: Interpretable Spectral Features Predict Conductivity in Self-Driving Doped Conjugated Polymer Labs

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Main Author: ankush-kumar-mishra
Format: Recurso digital
Published: Zenodo 2026
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author ankush-kumar-mishra
author_facet ankush-kumar-mishra
contents <p>To accelerate materials discovery using self-driving labs (SDLs), we present a machine learning pipeline that predicts the electrical conductivity of doped conjugated polymers using rapid, non-destructive optical spectroscopy. Our approach automates spectral featurization by combining a genetic algorithm with adaptive area-under-the-curve (AUC) computations, creating a quantitative structure–property relationship (QSPR) that links optical response and processing parameters to conductivity. By incorporating SHAP-guided selection and domain-knowledge based feature expansion, the model matches expert-curated performance while theoretically reducing experimental effort by $\sim 33\%$ by minimizing the need for costly direct conductivity measurements. Notably, the model recovers known physical descriptors in pBTTT and identifies informative tail-state regions correlated with polymer bleaching upon successful doping. This generic, interpretable, small–data–friendly methodology can be potentially extended to other modalities, such as Raman or FTIR, providing a framework for autonomous decision-making in SDLs.</p>
format Recurso digital
id zenodo_https___doi_org_10_5281_zenodo_18761547
institution Zenodo
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publishDate 2026
publisher Zenodo
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spellingShingle ankush-kumar-mishra/InSpecLearn4SDL: InSpecLearn4SDL: Interpretable Spectral Features Predict Conductivity in Self-Driving Doped Conjugated Polymer Labs
ankush-kumar-mishra
<p>To accelerate materials discovery using self-driving labs (SDLs), we present a machine learning pipeline that predicts the electrical conductivity of doped conjugated polymers using rapid, non-destructive optical spectroscopy. Our approach automates spectral featurization by combining a genetic algorithm with adaptive area-under-the-curve (AUC) computations, creating a quantitative structure–property relationship (QSPR) that links optical response and processing parameters to conductivity. By incorporating SHAP-guided selection and domain-knowledge based feature expansion, the model matches expert-curated performance while theoretically reducing experimental effort by $\sim 33\%$ by minimizing the need for costly direct conductivity measurements. Notably, the model recovers known physical descriptors in pBTTT and identifies informative tail-state regions correlated with polymer bleaching upon successful doping. This generic, interpretable, small–data–friendly methodology can be potentially extended to other modalities, such as Raman or FTIR, providing a framework for autonomous decision-making in SDLs.</p>
title ankush-kumar-mishra/InSpecLearn4SDL: InSpecLearn4SDL: Interpretable Spectral Features Predict Conductivity in Self-Driving Doped Conjugated Polymer Labs
url https://doi.org/10.5281/zenodo.18761547