Arc discharge boron nitrogen doping of carbon nanotubes

Belgacem, Abir Ben; Hinkov, Ivaylo; Yahia, Sana Ben; Brinza, Ovidiu; Farhat, S.

doi:10.1016/j.mtcomm.2016.08.001

Cited by 29 publications

(14 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In general, higher levels of structural precision are noted in CNTs produced via the arc discharge method [73]; however, different variables such as chamber temperature, concentration and type of catalyst, hydrogen presence, etc., may affect the structure and size of synthesized CNTs [74]. Recently, nickel-filled CNTs were synthesized via a local arc discharge method in liquid ethanol [75], nitrogen-doped CNTs via vaporization of boron nitride [76], low-cost SWCNTs via an arc discharge method in open air [77], and SWCNTs and MWCNTs via a hot plasma arc discharge method [78].…”

Section: Types Of Cnts and Structurementioning

confidence: 99%

Functionalized Carbon Nanotubes (CNTs) for Water and Wastewater Treatment: Preparation to Application

et al. 2021

View full text Add to dashboard Cite

As the world human population and industrialization keep growing, the water availability issue has forced scientists, engineers, and legislators of water supply industries to better manage water resources. Pollutant removals from wastewaters are crucial to ensure qualities of available water resources (including natural water bodies or reclaimed waters). Diverse techniques have been developed to deal with water quality concerns. Carbon based nanomaterials, especially carbon nanotubes (CNTs) with their high specific surface area and associated adsorption sites, have drawn a special focus in environmental applications, especially water and wastewater treatment. This critical review summarizes recent developments and adsorption behaviors of CNTs used to remove organics or heavy metal ions from contaminated waters via adsorption and inactivation of biological species associated with CNTs. Foci include CNTs synthesis, purification, and surface modifications or functionalization, followed by their characterization methods and the effect of water chemistry on adsorption capacities and removal mechanisms. Functionalized CNTs have been proven to be promising nanomaterials for the decontamination of waters due to their high adsorption capacity. However, most of the functional CNT applications are limited to lab-scale experiments only. Feasibility of their large-scale/industrial applications with cost-effective ways of synthesis and assessments of their toxicity with better simulating adsorption mechanisms still need to be studied.

show abstract

Section: Types Of Cnts and Structurementioning

confidence: 99%

Functionalized Carbon Nanotubes (CNTs) for Water and Wastewater Treatment: Preparation to Application

et al. 2021

View full text Add to dashboard Cite

show abstract

“…46 Arc-discharge deposition is another approved synthesis technique operated in a graphitic rod composed of an anode and cathode installed in a stainless-steel chamber with both locked ends. 47 The arc discharge synthesis technique supported using a power supply is conjoined to the anode's linear drive, which keeps the interelectrodes' gap at a permanent 1 mm. Also, multiple metal catalysts have been used for the anode's hole package.…”

Section: Boron Nitridesmentioning

confidence: 99%

A Comprehensive Review on the Applications of Boron Nitride Nanomaterials in Membrane Fabrication and Modification

Vatanpour

Mehrabani

Keskin

et al. 2021

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

Boron nitride (BN) presented enormous potential in the fabrication of novel membranes with superior separation efficiency. Researchers try to produce membranes with high solvent permeability and good rejection performance in industrial applications. In this review, the recent progress in the fabrication of BN-based membranes with different fabrication techniques and various applications is reviewed. Representative studies on applying BN-based membranes in gas separation, proton exchange, electrodialysis, and water filtration membranes to develop their performance and stability, induce antifouling characteristics, and decline the trade-off between selectivity and permeability, together with the explanation of their mechanisms, are discussed. Moreover, various methods of synthesis of BN allotropes are introduced. In addition, a brief review of simulation studies (molecular dynamic and density function theory) on theoretical studies of BN nanosheet membranes was performed. The authors hope that this review will arouse the active interest of many researchers in the further development of the BNs application in membrane science and technology.

show abstract

“…27 This is because the rst few ternary B-N-C layers formed prevent further reaction of the underlying CNT, so any additional h-BN formation can only proceed following reaction (1). Radial phase separation of carbon and h-BN, caused by atom diffusion to minimize the occurrence of unstable bonds, [16][17][18][19] may also explain why the layers grown by reaction (3) are not homogeneous B x C y N z . Bond stability increases in the following order: 19 C-B (2.59 eV) < C-N (2.83 eV) < C-C (3.7 eV) < B-N (4 eV).…”

Section: H-bn Chemical Compositionmentioning

confidence: 99%

“…A molecular dynamics model has proposed the possibility of self-assembly of CNTs and h-BN nanotubes (BNNTs) into coaxial structures, 15 and some empirical evidence suggests covalent B x C y N z heteronanotubes exhibit radial phase separation to form h-BN enriched outer shells. 2,[16][17][18][19] However, here we focus on presenting the advances in direct growth methods for CNT@BN heteronanotubes, where either the core CNT or outer h-BN layers are grown in position. Amongst these methods, we highlight developments in measuring and controlling the h-BN quality in terms of its morphology, thickness, crystallinity and purity.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, characterisation and applications of core–shell carbon–hexagonal boron nitride nanotubes

2020

View full text Add to dashboard Cite

show abstract

Arc discharge boron nitrogen doping of carbon nanotubes

Cited by 29 publications

References 30 publications

Functionalized Carbon Nanotubes (CNTs) for Water and Wastewater Treatment: Preparation to Application

Functionalized Carbon Nanotubes (CNTs) for Water and Wastewater Treatment: Preparation to Application

A Comprehensive Review on the Applications of Boron Nitride Nanomaterials in Membrane Fabrication and Modification

Synthesis, characterisation and applications of core–shell carbon–hexagonal boron nitride nanotubes

Contact Info

Product

Resources

About