材料科学
蒸发
光热治疗
聚吡咯
化学工程
蒸发器
膜
图层(电子)
纳米技术
复合材料
聚合物
化学
生物化学
物理
热交换器
工程类
热力学
聚合
作者
Lijuan Yan,Yingjiao Ma,Xiaoyin Cao,Yanju Jing,Min Su,Jiyan Li,Zhaoqi Zhu,Weidong Liang,Hanxue Sun,An Li
标识
DOI:10.1016/j.cej.2023.144059
摘要
Solar interfacial evaporation (SIE) is one of the most prospective solar energy harvesting technologies for solving the scarcity of freshwater resources. Herein, we report a novel photothermal membrane polycarbonate (PC)@polypyrrole (PPy) (PC@PPy) adopting to breath figure method followed by surface chemistry modification, and assemble a double-layer solar interfacial evaporator consisting of PC@PPy photothermal membrane as the upper layer and plant fiber-wrapped expanded polyethylene (EPE) foam as the bottom layer for SIE. Due to the abundant porous structure and strong light absorption of the PC@PPy membrane, excellent insulation of the EPE sponge, the as-prepared PC@PPy-EPE evaporator exhibits a high evaporation of 1.78 kg m-2h−1 and photothermal conversion efficiency of 93.57%, and outstanding evaporation stability and resistance in 16% wt NaCl with an evaporation of 1.58 kg m-2h−1 under 1 sun irradiation. Moreover, the PC@PPy photothermal possess superior flexibility and strong mechanical properties. Coupling with cost-effective, environment-friendly, simple and easily scale-up breath figure preparation method, the PC@PPy-EPE generator has broad application prospects in SIE.
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