8/3/2023 0 Comments Carbon nanotube crystalviewerīhatnagar A, Minocha AK (2006) Conventional and non-conventional adsorbents for removal of pollutants from water-a review. īhatia D, Datta D, Joshi A et al (2019) Adsorption of isonicotinic acid from aqueous solution using multi-walled carbon nanotubes/Fe 3O 4. Īwasthi K, Srivastava A, Srivastava ON (2005) Synthesis of carbon nanotubes. Īqel A, El-Nour KMMA, Ammar RAA, Al-Warthan A (2012) Carbon nanotubes, science and technology part (I) structure, synthesis and characterisation. Īpul OG, Karanfil T (2015) Adsorption of synthetic organic contaminants by carbon nanotubes: a critical review. Īmuda O, Amoo I (2007) Coagulation/flocculation process and sludge conditioning in beverage industrial wastewater treatment. Īlkaim AF, Sadik Z, Mahdi DK et al (2015) Preparation, structure and adsorption properties of synthesized multiwall carbon nanotubes for highly effective removal of maxilon blue dye. Īkinpelu AA, Ali ME, Johan MR et al (2019) Polycyclic aromatic hydrocarbons extraction and removal from wastewater by carbon nanotubes: a review of the current technologies, challenges and prospects. Īi L, Zhang C, Liao F et al (2011) Removal of methylene blue from aqueous solution with magnetite loaded multi-wall carbon nanotube: kinetic, isotherm and mechanism analysis. Īhmed M, Mashkoor F, Nasar A (2020) Development, characterization, and utilization of magnetized orange peel waste as a novel adsorbent for the confiscation of crystal violet dye from aqueous solution. Īgarwal S, Sadegh H, Monajjemi M et al (2016) Efficient removal of toxic bromothymol blue and methylene blue from wastewater by polyvinyl alcohol. Īddo Ntim S, Mitra S (2011) Removal of trace arsenic to meet drinking water standards using iron oxide coated multiwall carbon nanotubes. Nonetheless, hydrophobicity and cost actually restrict practical applications.Ībbasi M (2017) Synthesis and characterization of magnetic nanocomposite of chitosan/SiO 2/carbon nanotubes and its application for dyes removal. Adsorption mechanisms involve van der Waals forces, π–π stacking, hydrophobic interactions, hydrogen bonding and electrostatic interactions. The adsorption of dyes on carbon nanotubes depends on the nature of the adsorbent and adsorbate. Reports show that chemical modification leads to an improvement of the adsorption capacity. Here we review the efficacy of unmodified and modified carbon nanotubes for the removal of dyes from wastewater. Raw carbon nanotubes can be modified and adapted to the intended applications and targeted pollutants. Recently, carbon nanotube-based adsorbents are attracting research and industrial attention due to their large surface area, cylindrical hollow structure and well-flourished mesopores. Among existing techniques of wastewater treatment, adsorption is one of the most efficient methods. Their unusual electronic and transport properties promote these carbon nanomaterials as promising candidates for new building blocks in a future carbon-based nanoelectronics, thus opening alternatives to present silicon-based electronics devices.Contamination of water is calling for new techniques to provide safe and clean water for drinking and other usages. After reviewing the transport properties of defect-free systems, doping and topological defects (including edge disorder) are also proposed as tools to taylor the quantum conductance in these materials. Indeed, the lateral confinement of charge carriers could create an energy gap near the charge neutrality point, depending on the width of the ribbon, the nanotube diameter, the stacking of the carbon layers regarding the different crystallographic orientations involved. Although these systems share the similar graphene electronic structure, confinement effects are playing a crucial role. In this paper, the electronic and quantum transport properties of these carbon nanomaterials are reviewed. All these graphene-based nanostructures are expected to display the extraordinary electronic, thermal and mechanical properties of graphene and are thus promising candidates for a wide range of nanoscience and nanotechnology applications. Carbon nanotubes (CNTs) and graphene nanoribbons (GNRs) represent a novel class of low-dimensional materials.
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