Synthesis and utilization of a novel carbon nanotubes supported nanocables for the adsorption of dyes from aqueous solutions

Liu, Wei; Jiang, Xinyu; Chen, Xiaoqing

doi:10.1016/J.JSSC.2015.06.026

Title: Synthesis and utilization of a novel carbon nanotubes supported nanocables for the adsorption of dyes from aqueous solutions

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Abstract

Using multiwalled carbon nanotubes(MWCNTs) as mechanical support and glucose as carbon resource, a hydrothermal carbonization route was designed for the synthesis of MWCNTs@carbon nanocables with tunable diameter and length. MWCNTs are firstly used as templates for the formation of carbon-rich composite nanocables, and the diameter of the nanocables could be tailored through adjusting the hydrothermal time or the ratio of MWCNTs and glucose. Owing to abundant superficial oxygen-containing functional groups, porous surface and remarkable reactivity, the as-synthesized nanocables are capable of efficiently adsorbing cationic dye methylene blue (MB) and crystal violet (CV). Furthermore, the optimum adsorption conditions, kinetics, adsorption isotherms and adsorption thermodynamics of dyes were studied systematically. Additionally, the maximum adsorption capacities calculated from data analysis (298.5 mg/g for MB and 228.3 mg/g for CV) are significant higher than those of raw MWCNTs and some other adsorbents reported previously, which provides strong evidence for using MWCNTs@carbon nanocables as adsorbent to remove dyes from aqueous solutions. - Graphical abstract: MWCNTs@carbon nanocables has been successfully fabricated by a hydrothermal carbonization method. The as-synthesized novel samples were used as adsorbents and exhibited high adsorption capacity on MB and CV. - Highlights: • A simple, cost-effective and “green” method for the synthesis ofmore »« less

Authors:

Liu, Wei; Jiang, Xinyu ^[1]; Chen, Xiaoqing ^[1]

School of Chemistry and Chemical Engineering, Central South University, Changsha 410083 (China)

Publication Date:: Tue Sep 15 00:00:00 EDT 2015

OSTI Identifier:: 22486781

Resource Type:: Journal Article

Journal Name:: Journal of Solid State Chemistry

Additional Journal Information:: Journal Volume: 229; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0022-4596

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 77 NANOSCIENCE AND NANOTECHNOLOGY; ADSORBENTS; ADSORPTION; ADSORPTION ISOTHERMS; AQUEOUS SOLUTIONS; CARBON NANOTUBES; CARBONIZATION; DATA ANALYSIS; GLUCOSE; METHYL VIOLET; METHYLENE BLUE; POROUS MATERIALS; REACTIVITY; SYNTHESIS; THERMODYNAMICS

Citation Formats


                    Liu, Wei, Jiang, Xinyu, Chen, Xiaoqing, and Collaborative Innovation Center of Resource-conserving & Environment-friendly Society and Ecological Civilization. Synthesis and utilization of a novel carbon nanotubes supported nanocables for the adsorption of dyes from aqueous solutions.  United States: N. p., 2015. 
        Web.  doi:10.1016/J.JSSC.2015.06.026.

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                    Liu, Wei, Jiang, Xinyu, Chen, Xiaoqing, & Collaborative Innovation Center of Resource-conserving & Environment-friendly Society and Ecological Civilization. Synthesis and utilization of a novel carbon nanotubes supported nanocables for the adsorption of dyes from aqueous solutions.  United States.  https://doi.org/10.1016/J.JSSC.2015.06.026

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                    Liu, Wei, Jiang, Xinyu, Chen, Xiaoqing, and Collaborative Innovation Center of Resource-conserving & Environment-friendly Society and Ecological Civilization. 2015.  
        "Synthesis and utilization of a novel carbon nanotubes supported nanocables for the adsorption of dyes from aqueous solutions".  United States.  https://doi.org/10.1016/J.JSSC.2015.06.026.

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@article{osti_22486781,

  title        = {Synthesis and utilization of a novel carbon nanotubes supported nanocables for the adsorption of dyes from aqueous solutions},

  author       = {Liu, Wei and Jiang, Xinyu and Chen, Xiaoqing and Collaborative Innovation Center of Resource-conserving & Environment-friendly Society and Ecological Civilization},

  abstractNote = {Using multiwalled carbon nanotubes(MWCNTs) as mechanical support and glucose as carbon resource, a hydrothermal carbonization route was designed for the synthesis of MWCNTs@carbon nanocables with tunable diameter and length. MWCNTs are firstly used as templates for the formation of carbon-rich composite nanocables, and the diameter of the nanocables could be tailored through adjusting the hydrothermal time or the ratio of MWCNTs and glucose. Owing to abundant superficial oxygen-containing functional groups, porous surface and remarkable reactivity, the as-synthesized nanocables are capable of efficiently adsorbing cationic dye methylene blue (MB) and crystal violet (CV). Furthermore, the optimum adsorption conditions, kinetics, adsorption isotherms and adsorption thermodynamics of dyes were studied systematically. Additionally, the maximum adsorption capacities calculated from data analysis (298.5 mg/g for MB and 228.3 mg/g for CV) are significant higher than those of raw MWCNTs and some other adsorbents reported previously, which provides strong evidence for using MWCNTs@carbon nanocables as adsorbent to remove dyes from aqueous solutions. - Graphical abstract: MWCNTs@carbon nanocables has been successfully fabricated by a hydrothermal carbonization method. The as-synthesized novel samples were used as adsorbents and exhibited high adsorption capacity on MB and CV. - Highlights: • A simple, cost-effective and “green” method for the synthesis of the material. • The diameter and length of the material are relatively easy to control. • The surface has large oxygen-containing groups and preferable chemical reactivity. • Compared with raw MWCNTs and some other adsorbents, the adsorption capacity is much high.},

  doi          = {10.1016/J.JSSC.2015.06.026},

  url          = {https://www.osti.gov/biblio/22486781},
  journal      = {Journal of Solid State Chemistry},

  issn         = {0022-4596},

  number       = ,

  volume       = 229,

  place        = {United States},

  year         = {Tue Sep 15 00:00:00 EDT 2015},

  month        = {Tue Sep 15 00:00:00 EDT 2015}

}

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