Bio-derived ultrathin membrane for solar driven water purification

被引：129
作者：
Han, Xiao [1 ,2 ,3 ]
Wang, Weipeng [2 ,3 ]
Zuo, Kuichang [3 ]
Chen, Long [2 ,5 ]
Yuan, Lin [4 ]
Liang, Jia [2 ,4 ]
Li, Qilin [3 ]
Ajayan, Pulickel M. [2 ,3 ,4 ]
Zhao, Yan [1 ]
Lou, Jun [2 ,3 ,4 ]
机构：
[1] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
[2] Rice Univ, Dept Mat Sci & NanoEngn, 6100 Main St, Houston, TX 77005 USA
[3] Rice Univ, Nanosyst Engn Res Ctr Nanotechnol Enabled Water T, 6100 Main St, Houston, TX 77005 USA
[4] Rice Univ, Dept Chem, 6100 Main St, Houston, TX 77005 USA
[5] Shandong Univ, SDU & Rice Joint Ctr Carbon Nanomat, Sch Mat Sci & Engn, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan 250061, Shandong, Peoples R China
来源：
NANO ENERGY | 2019年 / 60卷
关键词：
Eggshell membrane; Carbon nanotube; Reduced graphene oxide; Solar steam generation; Solar membrane distillation; EFFICIENT; DESALINATION; EVAPORATION;
D O I：
10.1016/j.nanoen.2019.03.089
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Harvesting solar energy for water purification is an efficient and sustainable way to produce clean water. Herein, we demonstrate a bio-derived free-standing ultrathin membrane generated from daily bio waste of eggshell membrane, for the first time, to be utilized for solar driven water purification with ultrahigh energy efficiency. The combined characteristics of vapor-transportation-favorable morphology, enhanced broadband absorption, and heat-localization render the bio-derived membrane remarkable solar-driven water purification performance. Ultrahigh solar steam evaporation efficiency as well as membrane distillation-induced permeate flux under one sun illumination with outstanding salt and molecular rejection rate were reported. Screening and modification of bio-derived materials represent a cost-effective and environmental-friendly strategy for developing highly efficient water purification membranes.
引用
收藏
页码：567 / 575
页数：9
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