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. 2024 Nov 11;15:9738. doi: 10.1038/s41467-024-54215-z

Fig. 4. Solar-driven water vapor desorption and cycling performance of hydrogel membrane harvesters.

Fig. 4

a Time-dependent surface temperature and the infrared thermal images of CT/PVA, HMOF-CT/PVA, and MOF-CT/PVA under 1 sun illumination. b Water vapor sorption curve at 90% RH and desorption curve under 1 sun illumination. c Cycling performance and surface temperature of CT/PVA, HMOF-CT/PVA, and MOF-CT/PVA. For water vapor sorption process, membrane samples were placed in a confined climate chamber at 25 °C, which was presented as surface temperature in this figure. d Schematic of water adsorption–desorption process under nighttime and daytime environment.