Green synthesis of amino-functionalized carbon nanotube-graphene hybrid aerogels for high performance heavy metal ions removal

Zhan, Wenwei; Gao, Liang; Fu, Xue; Siyal, Sajid Hussain; Yang, Xiaoping

doi:10.1016/j.apsusc.2018.10.248

Cited by 163 publications

(48 citation statements)

References 53 publications

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“…Moreover, 347.83 mg g -1 sorption capacity remained in the fourth cycle, indicated exceptional regeneration performance. Recently, ultra-lightweight and robust 3D graphene/polydopamine modified MWCNT hybrid aerogel with adsorption capacities as large as 318.47 mg g -1 for Cu 2+ and 350.87 mg g -1 for Pb 2+ was synthesised (122). The synergistic effects of surface complexation as well as chelation between active sites in the hybrid aerogel and metal ions caused the exceptionally high adsorption.…”

Section: Removal Of Heavy Metal Ionsmentioning

confidence: 99%

A comprehensive review on the environmental applications of graphene–carbon nanotube hybrids: recent progress, challenges and prospects

John¹,

Nancy

Sharmila³

2021

Mater. Adv.

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Section: Removal Of Heavy Metal Ionsmentioning

confidence: 99%

A comprehensive review on the environmental applications of graphene–carbon nanotube hybrids: recent progress, challenges and prospects

John¹,

Nancy

Sharmila³

2021

Mater. Adv.

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“…CNTs can also improve the mechanical and electrical properties of other aerogel systems, especially with other nanomaterials where synergistic effects are observed. For example, their addition into a composite system with other low dimensional materials, such as sheets of 2D graphene oxide, helps to prevent re-stacking of the sheets and improve the mechanical properties [61]. While this section has covered CNT aerogel formation and methods to improve their properties, later sections cover CNTs in composites systems for several applications.…”

Section: Nanostructured Materials For Aerogel Fabricationmentioning

confidence: 99%

Nanomaterials in Advanced, High-Performance Aerogel Composites: A Review

et al. 2019

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Aerogels are one of the most interesting materials of the 21st century owing to their high porosity, low density, and large available surface area. Historically, aerogels have been used for highly efficient insulation and niche applications, such as interstellar particle capture. Recently, aerogels have made their way into the composite universe. By coupling nanomaterial with a variety of matrix materials, lightweight, high-performance composite aerogels have been developed for applications ranging from lithium-ion batteries to tissue engineering materials. In this paper, the current status of aerogel composites based on nanomaterials is reviewed and their application in environmental remediation, energy storage, controlled drug delivery, tissue engineering, and biosensing are discussed.

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“…Zhan et al [76] developed 3-D graphene/polydopamine modified MWCNT hybrid aerogel for adsorption of heavy metal ions (Cu(II) and Pb(II)). The adsorption mechanism of Pb(II) and Cu(II) ions as shown in figure 16.…”

Section: Biomolecules Pharmaceuticalmentioning

confidence: 99%

Graphene-Carbon Nanotubes Nanocomposite Modified Electrochemical Sensors for Toxic Chemicals

Sivakami¹

2020

Graphene-Based Electrochemical Sensors for Toxic Chemicals

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The unique mechanical, electrical, physical and chemical properties of carbon nanotubes (CNTs) and graphene is showing excellent detection of toxic chemicals. The graphene (GR)-Carbon nanotube (CNT) nanocomposite showed large active surface area, high porosity and electrical conductivity than graphene based or CNT based ones. The electrochemical performance of GR-CNT nanocomposite can be enhanced due to synergistic effects operating between GR and CNT. The electrochemically modified GR-CNT nanocomposites has been used in different applications such as biomedical, pharmaceutical, environmental, energy harvesting, food sector applications. This chapter summarizes the electrochemical sensing of GR-CNTs nanocomposites for detection of heavy metal ions, phenolic compounds, nitrite, nitrate, hydrogen peroxide and etc. GR-CNTs nanocomposite based electrochemical sensors showed the great selectivity, sensitivity and reproducibility for detection of environmental pollutants.

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Green synthesis of amino-functionalized carbon nanotube-graphene hybrid aerogels for high performance heavy metal ions removal

Cited by 163 publications

References 53 publications

A comprehensive review on the environmental applications of graphene–carbon nanotube hybrids: recent progress, challenges and prospects

A comprehensive review on the environmental applications of graphene–carbon nanotube hybrids: recent progress, challenges and prospects

Nanomaterials in Advanced, High-Performance Aerogel Composites: A Review

Graphene-Carbon Nanotubes Nanocomposite Modified Electrochemical Sensors for Toxic Chemicals

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