An ‘antifouling’ porous loofah sponge with internal microchannels as solar absorbers and water pumpers for thermal desalination

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We found that a type of fruiting body, the loofah, can enable efficient solar-driven steam generation based on the integrated bilayers and microchannels. Under illumination of one Sun, the steam generation rate and efficiency achieved 1.42 kg m⁻² h⁻¹ and 89.9%, respectively.