Diethelm, M., Devižis, A., Hu, W. ‐H., Zhang, T., Furrer, R., Vael, C., … Hany, R. (2022). Traps for electrons and holes limit the efficiency and durability of polymer light‐emitting electrochemical cells. Advanced Functional Materials, 32(43), 2203643 (10 pp.). https://doi.org/10.1002/adfm.202203643