Brown, M. R., Chen, Z., Magni, A., Li, H., Bombile, J. H., Suo, S., Lian, T., Myong, M. S., Bredas, J., Bird, M. J., Armstrong, N. R., Salleo, A., Ratcliff, E. L., Risko, C. (2026). Polarons are probes of the dynamic nanoscale environments found in electrochemically doped π-conjugated polymers. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2615650123