Nature Energy, Published online: 10 September 2026; doi:10.1038/s41560-026-02135-1

Ultrawide-bandgap perovskites suffer from heterogeneities during crystallization. Zhang et al. use solvent and additive engineering to smooth the process for 2.0-eV bandgap perovskites, enabling 30.1% efficiency in all-perovskite triple-junction solar cells.

Nature, Published online: 15 June 2026; doi:10.1038/s41586-026-10768-1

Nanocrystal-tailored recombination for all-perovskite tandem solar modules