材料科学
光热治疗
杰纳斯
三元运算
海水淡化
化学工程
蒸发
纳米技术
计算机科学
膜
遗传学
生物
热力学
物理
工程类
程序设计语言
作者
Yitong Cui,Hao Kan,Chunyu Yang,Kai Yu,Wei Guo
标识
DOI:10.1016/j.matlet.2022.132739
摘要
Here, we developed a ternary alloy (Cu0.4W0.6/Ni17W3) based Janus hydrogel photothermal film for solar-driven water evaporation. We first prepared the copper-doped nickel tungstate, then obtained the Cu0.4W0.6/Ni17W3 using the hydrogen reduction method, and applied it as the photothermal conversion material for the upper layer of the Janus photothermal film. The Cu0.4W0.6/Ni17W3 had low cost, perfect solar spectrum matching, and excellent thermal stability. A composite hydrogel composed of gelatin and agar was used to prepare the Janus photothermal film. The Janus photothermal film showed an excellent water evaporation rate of 1.72 kg m-2h−1 and a high light-to-heat conversion efficiency (η) of 98% under one-sun irradiation. Besides, Janus-1 possessed excellent desalination performance.
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