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Stretchable and Superhydrophilic Polyaniline/Halloysite Decorated Nanofiber Composite Evaporator for High Efficiency Seawater Desalination

查看全文 作　　者：Jiang [1]Han;Wenqian [1]Xing;Jun [1]Yan;Jing [1]Wen;Yuntao [1]Liu;Yuqing [1]Wang;Zefeng [1]Wu;Longcheng [2]Tang;Jiefeng [1,2]Gao 高影响力作者 机构地区：[1]School of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225002,Jiangsu,China;[2]Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education,Hangzhou Normal University,Hangzhou 311121,China高影响力机构 出　　处：《Advanced Fiber Materials》索引2022年第4卷第5期,共13页高影响力期刊 基　　金：This work was financially supported by Natural Science Foundation of China(No.51873178);the Opening Project of State Key Laboratory of Polymer Materials Engineering(Sichuan University)(No.sklpme2020-4-03);Qing Lan Project of Yangzhou University and Jiangsu Province,High-end Talent Project of Yangzhou University,the Priority Academic Program Development of Jiangsu Higher Education Institutions,Postgraduate Research&Practice Innovation Program of Jiangsu province(No.KYCX18_2364,No.KYCX20_2977);Outstanding Doctoral Dissertation Fund of Yangzhou University. 摘　　要：Here,authors report on composition of a stretchable,mechanically durable and superhydrophilic polyaniline(PANI)/hal-loysite nanotubes(HNTs)decorated PU nanofiber(PANI/HNTs@PU).The polymer nanofibers are placed as the core and PANI/HNTs makes the shell section.The PANI/HNTs creates a membrane with outstanding light absorption and photo-thermal conversion performance.The strong solar absorption capability and superhydrophilicity of the PANI/HNTs@PU remain almost unchanged during stretching,abrasion,and ultrasonic washing tests,exhibiting superior surface stability and durability.When the PANI/HNTs@PU is used for the interfacial evaporation,the evaporation rate and efficiency reach as high as 1.61 kg m^(-2) h^(-1) and 94.7%,respectively.No salt precipitation is observed on the solar absorber surface even under a high salinity or during the long term or cyclic evaporation test.Furthermore,the excellent interfacial evaporation function is maintained when the nanofiber composite is mechanically stretched.The PANI/HNTs@PU based evaporation device shows promising applications in high performance solar desalination. 关 键 词：Solar interface desalination SUPERHYDROPHILIC Stretchable nanofiber composite Salt rejection HALLOYSITE
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