Wu, S., Xu, H., Wang, H., Liu, X., Tu, L., Zhang, W., Chen, Y., Song, X., Shi, Y. (2026). Isomerized Dithienopyrazine‐Based Solid Additive Enables Organic Solar Cells With 20.5% Efficiency. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.6458866