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Nitrogen-doped nanoporous graphene induced by a multiple confinement strategy for membrane separation of rare earth

文献类型：期刊论文

作者Tan, Hongxin1,4,6; Zhang, Xin7; Li, Zhan1,6,7; Liang, Qing1,6; Wu, Jinsheng2; Yuan, Yanli2; Cao, Shiwei5; Chen, Jia1,6; Liu, Juewen3; Qiu, Hongdeng1,4,6,8
刊名ISCIENCE
出版日期2021-01-22
卷号24期号:1页码:35
DOI10.1016/j.isci.2020.101920
通讯作者Li, Zhan(lizhancg@licp.cas.cn) ; Qiu, Hongdeng(hdqiu@licp.cas.cn)
英文摘要Rare earth separation is still a major challenge in membrane science. Nitrogen-doped nanoporous graphene (NDNG) is a promising material for membrane separation, but it has not yet been tested for rare earth separation, and it is limited by multi-complex synthesis. Herein, we developed a one-step, facile, and scalable approach to synthesize NDNG with tunable pore size and controlled nitrogen content using confinement combustion. Nanoporous hydrotalcite from Zn(NO3)(2) is formed between layers of graphene oxide (GO) absorbed with phenylalanine via confinement growth, thus preparing the sandwich hydrotalcite/phenylalanine/GO composites. Subsequently, area-confinement combustion of hydrotalcite nanopores is used to etch graphene nanopores, and the hydrotalcite interlayer as a closed flat nanoreactor induces two-dimensional space confinement doping of planar nitrogen into graphene. The membrane prepared by NDNG achieves separation of Sc3+ from the other rare earth ions with excellent selectivity (similar to 3.7) through selective electrostatic interactions of pyrrolic-N, and separation selectivity of similar to 1.7 for Tm3+/Sm3+.
WOS关键词SELECTIVE ADSORPTION ; EFFICIENT RECOVERY ; OXIDE ; TRANSPORT ; REDUCTION ; NEODYMIUM ; COMPOSITE ; ELEMENTS ; SYSTEM
资助项目National Key R&D Program of China[2019YFC1905501] ; National Natural Science Foundation of China[21974146] ; National Natural Science Foundation of China[21822407] ; National Natural Science Foundation of China[21675164] ; CAS Light ofWest China'' Program ; Foundation for Sci & Tech Research Project of Gansu Province[18JR3RA387]
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000612996900039
出版者CELL PRESS
资助机构National Key R&D Program of China ; National Natural Science Foundation of China ; CAS Light ofWest China'' Program ; Foundation for Sci & Tech Research Project of Gansu Province
源URL[http://119.78.100.186/handle/113462/137888]  
专题中国科学院近代物理研究所
通讯作者Li, Zhan; Qiu, Hongdeng
作者单位1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Key Lab Nat Med Gansu Prov, Lanzhou 730000, Peoples R China
2.Lanzhou Ecol & Environm Monitoring Ctr Gansu Prov, Lanzhou 730000, Peoples R China
3.Univ Waterloo, Waterloo Inst Nanotechnol, Dept Chem, Waterloo, ON N2L 3G1, Canada
4.Univ Chinese Acad Sci, Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
6.Chinese Acad Sci, Lanzhou Inst Chem Phys, CAS Key Lab Chem Northwestern Plant Resources, Lanzhou 730000, Peoples R China
7.Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China
8.Zhengzhou Univ, Coll Chem, Zhengzhou 450001, Peoples R China
推荐引用方式
GB/T 7714		 Tan, Hongxin,Zhang, Xin,Li, Zhan,et al. Nitrogen-doped nanoporous graphene induced by a multiple confinement strategy for membrane separation of rare earth[J]. ISCIENCE,2021,24(1):35.
APA Tan, Hongxin.,Zhang, Xin.,Li, Zhan.,Liang, Qing.,Wu, Jinsheng.,...&Qiu, Hongdeng.(2021).Nitrogen-doped nanoporous graphene induced by a multiple confinement strategy for membrane separation of rare earth.ISCIENCE,24(1),35.
MLA Tan, Hongxin,et al."Nitrogen-doped nanoporous graphene induced by a multiple confinement strategy for membrane separation of rare earth".ISCIENCE 24.1(2021):35.

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来源：近代物理研究所

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