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C
Special Issues
Carbon Nanotube and Applications
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Carbon Nanotube and Applications

A special issue of C (ISSN 2311-5629).

Deadline for manuscript submissions: closed (30 November 2017) | Viewed by 15879

Special Issue Editor

Prof. Dr. Vijay Kumar Thakur

grade E-Mail Website
Guest Editor
1. Biorefining and Advanced Materials Research Centre, SRUC, Edinburgh EH9 3JG, UK
2. Enhanced Composites and Structures Center, School of Aerospace, Transport and Manufacturing, Cranfield University, Cranfield MK43 0AL, UK
Interests: biorefining, chemistry, nanotechnology, biomass, and waste; biomedical engineering; composites; sensors; manufacturing of functional materials; aerospace materials; nanomaterials; renewable energy; smart materials; surface engineering; water science and engineering; additive manufacturing of polymers and composites; multifunctional polymer composites and nanocomposites: self-healing, nanoelectronic materials; hydrogels; membranes; nanofiber; composites for extreme environments and manufacturing technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Carbon-based nanomaterials are rapidly emerging as one of the most fascinating materials in the twenty-first century. Carbon is a very important element in the periodic table that essentially forms the basis of life on Earth. Soon after the discovery of 0D fullerene, the synthetic carbon family was graced by the addition of quasi-1D carbon nanotubes (CNTs), of which discovery in 1991 created a boom in the scientific world. CNTs based materials are expected to possess additional interesting electronic, mechanical, and molecular properties. The prime advantages of the CNTs include high surface-area-to-volume ratio and unique thermal, optical, mechanical, and electrical properties to name a few.Thus, given the immense advantages of CNTs, this Special Issue focuses on the different aspects of CNTs and their applications. This Special Issue of C Journal of Carbon Research invites innovative contributions in terms of research articles, reviews, communications, and letters from around the globe. Potential topics include, but are not limited to, structure and chemistry of carbon nanotubes; characterization; functionalization; and applications, including polymer nanocomposites.

Dr. Vijay Kumar Thakur
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. C is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • synthesis, structure and chemistry of CNTs based materials
  • polymer nanocomposites
  • electrical, mechanical, optical, and thermal properties of CNTs based materials
  • novel applications of carbon nanotubes in energy, electronics, biomedical technology, health and environment, sensors and photonics

Published Papers (3 papers)

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Research

15 pages, 8984 KiB  
Article
Catalytic Growth of Carbon Nanotubes by Direct Liquid Injection CVD Using the Nanocluster [HxPMo12O40⊂H4Mo72Fe30(O2CMe)15O254(H2O)98-y(EtOH)y]
by Gibran L. Esquenazi, Bruce Brinson and Andrew R. Barron
C 2018, 4(1), 17; https://doi.org/10.3390/c4010017 - 02 Mar 2018
Cited by 4 | Viewed by 5273
Abstract
The growth of carbon nanotubes (CNTs) by direct liquid injection chemical vapor deposition (DLICVD) has been studied using the polyoxometalate cluster [HxPMo12O40⊂H4Mo72Fe30(O2CMe)15O254(H2O)98-y [...] Read more.
The growth of carbon nanotubes (CNTs) by direct liquid injection chemical vapor deposition (DLICVD) has been studied using the polyoxometalate cluster [HxPMo12O40⊂H4Mo72Fe30(O2CMe)15O254(H2O)98-y(EtOH)y] (FeMoC) as the catalyst with either ethanol or toluene as the carbon source. In order to screen different growth conditions a single large batch of FeMoC is required in order to eliminate variation in the catalyst precursor. The preparation of 6 g of FeMoC is possible by scaling (10×) literature reagent ratios. DLICVD studies of the FeMoC derived carbon product were evaluated by Raman spectroscopy and scanning electron microscopy (SEM) to determine the quality (G:D ratio) and purity of CNT content. With the use of ethanol as the carbon source, increasing the temperature in the injection zone (aspiration temperature) above 250 °C increases the yield, and results in a slight increase in the G:D ratio. The maximum yield is obtained with a growth temperature of 900 °C, while the G:D ratio is the highest at higher temperatures. Faster solution injection rates increase yield, but with a significant decrease in G:D, in fact no CNTs are observed in the product for the highest injection rate (10 mL/h). An optimum catalyst concentration of 1.25 wt.% is found, which influences both the catalyst:C and catalyst:H ratios within the system. Growth at 800 °C is far more efficient for toluene as a carbon source than ethanol. The resulting “process map” allows for large quantities of CNTs to be prepared by DLICVD. Full article
(This article belongs to the Special Issue Carbon Nanotube and Applications)
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8658 KiB  
Article
Synthesis of Hybrid Silica-Carbon Tubular Structures by Chemical Vapor Deposition with Methane or Ethene
by Victor R. Sepulveda and Betty L. López
C 2018, 4(1), 1; https://doi.org/10.3390/c4010001 - 25 Dec 2017
Viewed by 4029
Abstract
Silica microtube and carbon nanotube hybrid structures have been synthesized by catalytic chemical vapor deposition using either methane or ethene as the carbon source, and cobalt-grafted or impregnated silica tubes (200–800 nm) as catalyst. The cobalt-grafted catalyst shows a high resistance to reduction [...] Read more.
Silica microtube and carbon nanotube hybrid structures have been synthesized by catalytic chemical vapor deposition using either methane or ethene as the carbon source, and cobalt-grafted or impregnated silica tubes (200–800 nm) as catalyst. The cobalt-grafted catalyst shows a high resistance to reduction (>1000 °C) and selectivity to single-wall carbon nanotubes (SWCNT). While ethene deposition produces more carbonaceous material, methane experiments show higher selectivity for SWCNT. After removing the silica with an excess of HF, the carbon nanostructure endured, resulting in a coaxial carbon nanostructure. The novel hybrid nanostructures obtained consist of a submicron-sized tube, with walls that are formed by a succession of carbon/silica/carbon layers to which multiwall (20–25 nm) and/or single-wall (0.6–2.0 nm) carbon nanotubes are attached. This synthesis approach combines the mechanical properties of carbon nanotubes and the thermal properties of silica tubes into a synergetic nanostructured material, opening further possibilities for polymer reinforcement and potential applications in catalysis. Full article
(This article belongs to the Special Issue Carbon Nanotube and Applications)
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2687 KiB  
Article
The Ultraviolet-Induced Functionalization of Multi-Walled Carbon Nanotubes with Polymer Radicals Generated from Polyvinyl Benzoate Derivatives
by Tomoya Takada, Yuya Nishioka and Takuma Baba
C 2017, 3(3), 28; https://doi.org/10.3390/c3030028 - 11 Sep 2017
Cited by 3 | Viewed by 5191
Abstract
In order to develop a novel technique for the fabrication of hybrid materials containing polymers and nanocarbons, we examined the surface modification of pristine multi-walled carbon nanotubes (MWCNTs) with benzyl-type polymer side chain radicals generated through photolysis of 4-(chloromethyl)benzoate moieties. The polymer with [...] Read more.
In order to develop a novel technique for the fabrication of hybrid materials containing polymers and nanocarbons, we examined the surface modification of pristine multi-walled carbon nanotubes (MWCNTs) with benzyl-type polymer side chain radicals generated through photolysis of 4-(chloromethyl)benzoate moieties. The polymer with a 4-(chloromethyl)benzoate side chain was prepared by the esterification of polyvinyl alcohol (PVA) with corresponding acid chloride. The synthesized polymer and MWCNTs were mixed in N-methylpyrrolidone and irradiated with ultraviolet (UV) light. Structural changes of the polymer and MWCNTs were observed by means of X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. The XPS results revealed that scission of the C–Cl bonds of the chloromethyl groups and benzyl-type radical formation occurred. The incremental surface defects of the MWCNTs caused by UV irradiation were confirmed by means of Raman spectroscopy. These results support the covalent bond formation between the polymer side chain and MWCNT sidewalls by radical addition reaction. The photothermal conversion characteristics of the prepared materials were also evaluated. Full article
(This article belongs to the Special Issue Carbon Nanotube and Applications)
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