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Figure 6. Illustrating the creation and properties of wettability tunable hybrid aerogels (A) Fabrication steps for superhydrophobic VNFs (vinyltrimethoxysilane (VTMS)-based nanofibrous aerogels) and superhydrophilic PNFs (polysiloxane-based nanofibrous aerogels) using VTMS and BC nanofibers. (B) Siloxane's molecular orientation on BC nanofibers. (C) Depiction of the physical linkage between VNFs and PNFs at the evaporator's interface. (D) Procedure for incorporating an evaporator device. (E) PNFs-PPy and water movement in pure PNF representations. (F) Salt transport mechanism for self-cleaning in evaporators. (G) Photographic evidence of salt resistance in the evaporator. (H) Illustration of a VNFs insulator reducing downward heat loss. (I) Thermal images of double-layered evaporator and single-layered PNFs-PPy under sunlight for 60 min. (J) Heat dissipation chart for the evaporator. Reprinted with permission from ref.^[121]. Copyright 2023 Springer Nature.