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    Fibrous Aerogels with Tunable Superwettability for High-Performance Solar-Driven Interfacial Evaporation

    Year: 2023

    Journal: Nano-Micro Letters, Volume 15, 2023-03-10, page 64

    Authors: Xu, Chengjian; Gao, Mengyue; Yu, Xiaoxiao; Zhang, Junyan; Cheng, Yanhua; Zhu, Meifang

    Keywords: Solar vapor generation; Cellulose aerogel; Robust interface; Thermal insulation; Tunable wettability

    Hybrid fibrous aerogels with tunable wettability from the same molecular unit of vinyltrimethoxysilane are successfully developed.Superhydrophobic and superhydrophilic hybrid aerogels are integrated into a double-layered evaporator, showing robust interfacial networks to withstand repeated and tremendous compression for 1000th cycle.The evaporator delivers high water evaporation rates of 1.91 kg m−2 h−1 under laboratory conditions and 4.20 kg m−2 h−1 under outdoor experiments with the aid of wind (1 sun), enabling efficient salt rejection under continuous operation.
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