A portable and washable solar steam evaporator based on graphene and recycled gold for efficient point-of-use water purification

作     者：Fei Li Jiongpeng Huang Dingxin Xu Chengjin Wang Liang Zhao Xinyu Gong Hang Li Can Yang Zhang Qinghua Song Yang Su Hui-Ming Cheng 李飞;黄炯鹏;胥丁心;王程锦;赵亮;龚新渝;李航;张灿阳;宋清华;苏阳;成会明

作者机构：Tsinghua-Berkeley Shenzhen Institute&Institute of Materials Research&Institute of Biopharmaceutical and Health EngineeringTsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen 518055China Shenzhen Key Laboratory of Energy Materials for Carbon NeutralityInstitute of Technology for Carbon NeutralityShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China Faculty of Materials Science and Energy EngineeringShenzhen University of Advanced TechnologyShenzhen 518107China Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang 110016China 

出 版 物：《Science China Materials》 (中国科学（材料科学）（英文版）)

年 卷 期：2024年第67卷第11期

页      面：3700-3709页

核心收录：

学科分类：08[工学] 0815[工学-水利工程] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：supported primarily by the Peacock Team Project(KQTD20210811090112002) the National Natural Science Foundation of China(52188101) the Scientific Research Start-up Funds of Tsinghua SIGS(QD2021026C) the Research Fund from Shenzhen International Graduate School,Tsinghua University(JC2021011) Shenzhen Geim Graphene Center 

主　　题：graphene gold resources recovery and reuse solar steam evaporator sustainable development 

摘      要：A solar steam evaporator provides a sustainable and efficient alternative water purification solution to address the global freshwater *** efforts have made significant advances in maximizing its water evaporation rate,but no single evaporator has all the properties necessary for practical point-of-use application,including a high efficiency for generation of drinkable water,an excellent portability critical for on-site water purification,good washability for mitigating evaporator fouling,and good *** report a strategy to produce a high-performance photothermal material for point-of-use water *** simultaneously incorporating graphene and gold particles grown from recycled electronic waste in a mechanically strong sponge,we achieved highly efficient water purification under realistic *** addition to a high evaporation rate(3.55 kg/m^(2)/h under one-sun irradiation)attributed to a control of atomic structure of graphene and the size-dependent surface plasmon resonance of gold nanoparticles,it is portable which can be folded,vacuum compacted,dried and rehydrated without compromising *** also allows repeated washing to remove contaminant fouling so that it can be *** evaporator transforms various types of contaminated water into drinkable clean water,and can be mounted at any angle to optimize the incident solar ***,the assembled steam evaporator device could gain purified water meeting the World Health Organization drinking water standards with a high evaporation rate of 9.36 kg/m^(2)/h under outdoor sunlight.