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Highly stable graphene-oxide-based membranes with superior permeability
Thebo, KH; Qian, XT; Zhang, Q; Chen, L; Cheng, HM; Ren, WC; Ren, WC (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2018-04-16
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
卷号9页码:-
摘要Increasing fresh water demand for drinking and agriculture is one of the grand challenges of our age. Graphene oxide (GO) membranes have shown a great potential for desalination and water purification. However, it is challenging to further improve the water permeability without sacrificing the separation efficiency, and the GO membranes are easily delaminated in aqueous solutions within few hours. Here, we report a class of reduced GO membranes with enlarged interlayer distance fabricated by using theanine amino acid and tannic acid as reducing agent and cross-linker. Such membranes show water permeance over 10,000 Lm(-2) h(-1) bar(-1), which is 10-1000 times higher than those of previously reported GO-based membranes and commercial membranes, and good separation efficiency, e.g., rhodamine B and methylene blue rejection of similar to 100%. Moreover, they show no damage or delamination in water, acid, and basic solutions even after months.; Increasing fresh water demand for drinking and agriculture is one of the grand challenges of our age. Graphene oxide (GO) membranes have shown a great potential for desalination and water purification. However, it is challenging to further improve the water permeability without sacrificing the separation efficiency, and the GO membranes are easily delaminated in aqueous solutions within few hours. Here, we report a class of reduced GO membranes with enlarged interlayer distance fabricated by using theanine amino acid and tannic acid as reducing agent and cross-linker. Such membranes show water permeance over 10,000 Lm(-2) h(-1) bar(-1), which is 10-1000 times higher than those of previously reported GO-based membranes and commercial membranes, and good separation efficiency, e.g., rhodamine B and methylene blue rejection of similar to 100%. Moreover, they show no damage or delamination in water, acid, and basic solutions even after months.
部门归属[thebo, khalid hussain ; qian, xitang ; zhang, qing ; chen, long ; cheng, hui-ming ; ren, wencai] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [thebo, khalid hussain ; chen, long] univ chinese acad sci, 19 a yuquan rd, beijing 100049, peoples r china ; [qian, xitang ; zhang, qing] univ sci & technol china, sch mat sci & engn, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [cheng, hui-ming] tsinghua univ, tbsi, 1001 xueyuan rd, shenzhen 518055, peoples r china
关键词Nanofiltration Membranes Water Reduction Separation Nanosheets Acids Ions
学科领域Multidisciplinary Sciences
资助者National Key R&D Program of China [2016YFA0200101]; National Natural Science Foundation of China [51325205, 51290273, 51521091]; Chinese Academy of Sciences [KGZD-EW-303-1, KGZD-EW-T06, 174321KYSB20160011, XDPB06]; CAS-TWAS President Fellowship
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79359
专题中国科学院金属研究所
通讯作者Ren, WC (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Thebo, KH,Qian, XT,Zhang, Q,et al. Highly stable graphene-oxide-based membranes with superior permeability[J]. NATURE COMMUNICATIONS,2018,9:-.
APA Thebo, KH.,Qian, XT.,Zhang, Q.,Chen, L.,Cheng, HM.,...&Ren, WC .(2018).Highly stable graphene-oxide-based membranes with superior permeability.NATURE COMMUNICATIONS,9,-.
MLA Thebo, KH,et al."Highly stable graphene-oxide-based membranes with superior permeability".NATURE COMMUNICATIONS 9(2018):-.
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