Amphipathic Janus Nanofibers Aerogel for Efficient Solar Steam Generation

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外文摘要：Solar steam generation is a promising water purification technology due to its low-cost and environmentally friendly applications in water purification and desalination.However,hydrophilic or hydrophobic materials alone are insufficient in achieving necessary characteristics for constructing high-quality solar steam generators with good comprehensive properties.Herein,novel hydrophile/hydrophobe amphipathic Janus nanofibers aerogel is designed and used as a host material for preparing solar steam generators.The product consists of an internal cubic aerogel and an external layer of photothermal materials.The internal aerogel is composed of electrospun amphipathic Janus nanofibers.Owing to the unique composition and structure,the prepared solar steam generator integrates the features of high water evaporation rate(2.944 kg m-2 h-1 under 1 kW m-2 irradiation),self-floating,salt-resisting,and fast performance recovery after flipping.Moreover,the product also exhibits excellent properties on desalination and removal of organic pollutants.Compared with traditional hydrophilic aerogel host material,the amphipathic Janus nanofibers aerogel brings much higher water evaporation rate and salt resistance.

外文关键词：

aerogelselectrospinningphotothermal materialssolar desalinationsolar steam generation

作者：

Rui Wang、Jinshuo Deng、Ping Wu、Qianli Ma、Xiangting Dong、Wensheng Yu、Guixia Liu、Jinxian Wang、Lei Liu

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作者单位：

Chongqing Research Institute,Changchun University of Science and Technology,Chongqing 401135,China

Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province,Changchun University of Science and Technology,Changchun 130022,China

基金：

Natural Science Foundation of Chongqing,ChinaNatural Science Foundation of Jilin ProvinceNational Natural Science Foundation of ChinaNational Natural Science Foundation of China

项目编号：

cstc2021jcyjmsxmX089820210101080JC5180301251573023

出版年：

2024

DOI：

10.1002/eem2.12667

能源与环境材料(英文)

ISSN：

年,卷(期)：2024.7(4)