Nature, Published online: 15 July 2026; doi:10.1038/s41586-026-10746-7
A catalyst-free upcycling strategy based on in situ generation of hydroxyl radicals at microdroplet interfaces is described for efficient and scalable processing of polymers with minimal infrastructure, using only water and oxygen under mild conditions.
Nature Energy, Published online: 13 July 2026; doi:10.1038/s41560-026-02111-9
Elemental diffusion in Cu2ZnSnS4 induces secondary phases and defects, limiting the open-circuit voltage in associated solar cells. Wang et al. introduce two-stage copper incorporation to suppress copper out-diffusion, enabling 12.4% efficiency and an 874-mV open-circuit voltage in solar cells.
Nature, Published online: 13 July 2026; doi:10.1038/s41586-026-10869-x
Perovskite–organic tandem solar cells with a photo-transformable stabilizer
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