Passive interfacial cooling sparks a major leap in solar-driven water and power cogeneration

Freshwater and electricity are foundational to human civilization's advancement. Yet, the duel against their scarcity intensifies as modernization progresses. Solar energy, hailed for its inexhaustibility and environmental friendliness, has emerged as a promising ally in generating both freshwater and electricity. Despite significant interest and strides in solar cogeneration, the challenge of enhancing both freshwater and electricity outputs concurrently has stymied broader application.