Graphene oxide based dopamine mussel-like cross-linked polyethylene imine nanocomposite coating with enhanced hexavalent uranium adsorption

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Li, Songwei;Yang, Peipei;Liu, Xianhu*;Zhang, Jiaoxia;Xie, Wei;...

通讯作者：

Liu, Xianhu

作者机构：

[Liu, Xianhu; Liu, Chuntai; Yang, Peipei; Li, Songwei] Zhengzhou Univ, Natl Engn Res Ctr Adv Polymer Proc Technol, Zhengzhou 450002, Henan, Peoples R China.

[Liu, Xianhu; Liu, Chuntai; Guo, Zhanhu] Zhengzhou Univ, Minist Educ, Key Lab Mat Proc & Mold, Zhengzhou 450002, Henan, Peoples R China.

[Zhang, Jiaoxia; Wang, Chao; Xie, Wei; Guo, Zhanhu] Univ Tennessee, Dept Chem & Biomol Engn, ICL, Knoxville, TN 37996 USA.

[Zhang, Jiaoxia] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China.

[Xie, Wei] Changsha Univ Sci & Technol, Educ Dept, Key Lab Lightweight & Reliabil Technol Engn Vehic, Changsha, Hunan, Peoples R China.

通讯机构：

[Liu, Xianhu] Z

Zhengzhou Univ, Natl Engn Res Ctr Adv Polymer Proc Technol, Zhengzhou 450002, Henan, Peoples R China.

Zhengzhou Univ, Minist Educ, Key Lab Mat Proc & Mold, Zhengzhou 450002, Henan, Peoples R China.

语种：

英文

期刊：

Journal of Materials Chemistry A

ISSN：

2050-7488

年：

2019

卷：

期：

页码：

16902-16911

DOI：

10.1039/c9ta04562g

机构署名：

本校为其他机构

院系归属：

汽车与机械工程学院

摘要：

Polydopamine (pDA) self-polymerized from mussel-substance dopamine (DA) induced the grafting of polyethylene imine (PEI) between graphene oxide (GO) interlayers to form the GO-pDA-PEI adsorbent for capturing U(vi). The as-prepared GO-pDA-PEI has a hexavalent uranium (U(vi)) adsorption capacity of 530.6 mg g-1, which is 177% higher than that of pristine GO. Both thermodynamic and kinetic studies indicate a spontaneous and exothermic chemisorption process. The adsorbent demonstrates high adsorption capability and stability even after 5cycles of a...

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Graphene oxide based dopamine mussel-like cross-linked polyethylene imine nanocomposite coating with enhanced hexavalent uranium adsorption

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