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Facile fabrication of graphene-based aerogel with rare earth metal oxide for water purification

机译：稀土金属氧化物石墨烯基气凝胶的简便制备

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摘要

We report a one-step facile fabrication of macroscopic multifunctional graphene-based aerogel with three-dimensional interconnected networks under the synergistic effects of the reduction of graphene oxide sheets by L-ascorbic acid and in situ simultaneous deposition of nanoparticles on graphene sheets. The functional components, Nd2O3 nanoparticles, can be easily incorporated with graphene sheets to assemble bulk macroscopic graphene materials under mild conditions. The reduced graphene oxideeodymium oxide (rGO/Nd2O3) aerogel showed remarkable adsorption capacity towards different types of dyes, especially for anionic dyes, with the adsorption capacity for indigo disulphonate (ID) being more than 220 mg g(-1) within one hour while the adsorption capacity at equilibrium is as high as 397 mg g(-1). The method proposed is proven to be universal to induce macroscopic assembly of reduced graphene sheets with rare earth metal oxides and thus facilitates to accessing various graphene-based multifunctional nanocomposites in the form of macroscopic aerogels. (C) 2017 Published by Elsevier B.V.
机译：我们报告了一步一步的宏观多功能的基于石墨烯的气凝胶的三维互连网络的制造过程，该协同作用是在通过L-抗坏血酸还原氧化石墨烯薄片和在石墨烯薄片上原位同时沉积纳米颗粒的协同作用下进行的。功能成分Nd2O3纳米粒子可以轻松地与石墨烯片结合，以在温和的条件下组装大量的宏观石墨烯材料。还原的氧化石墨烯/氧化钕（rGO / Nd2O3）气凝胶对不同类型的染料（特别是对阴离子染料）表现出显着的吸附能力，其中靛蓝二磺酸盐（ID）的吸附能力在220 mg g（-1）内小时，而在平衡时的吸附能力高达397 mg g（-1）。事实证明，所提出的方法是普遍的，以诱导稀土金属氧化物还原的石墨烯片的宏观组装，因此有助于以宏观气凝胶形式获得各种基于石墨烯的多功能纳米复合材料。 （C）2017由Elsevier B.V.发布

著录项

  • 来源
    《Applied Surface Science》 |2018年第ptaa期|779-786|共8页
  • 作者

    Pan Liupeng; Liu Shunli; Oderinde Olayinka; Li Kewen; Yao Fang; Fu Guodong;

  • 作者单位

    Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China;

    Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China;

    Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China;

    Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China;

    Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China;

    Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Graphene; Aerogels; Nd2O3 nanoparticles; Self-assembly; Adsorption;

    机译：石墨烯;气凝胶;Nd2O3纳米粒子;自组装;吸附;

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