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Unique Properties of Carbon Nanomaterials and Their Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Carbon Materials".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 9853

Special Issue Editor


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Guest Editor
INFN-Laboratori Nazionali di Frascati, 00044 Frascati, Italy
Interests: carbon nanotubes; material sciences; nanotechnology; multifunctional materials; nano carbon; biomedical applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

Carbon nanomaterials occupy a unique place in science because of their exceptional magnetic, thermal, electrical, chemical, and mechanical properties. They find applications in areas as diverse as super-strong composite materials, energy storage and conversion, supercapacitors, smart sensors, targeted drug delivery, paints, inks, quantum devices, wearable devices and nanoelectronics.

In this Special Issue, we wish to focus on new insights into properties (including magnetic, thermal, electrical, chemical, and mechanical ones) and applications of carbon nanomaterials.

Potential topics include, but are not limited to, the following:

  • The synthesis/fabrication of carbon-based nanomaterials;
  • Magnetic, electrochemical, thermodynamical or mechanical studies in carbon nanomaterials;
  • Physical and chemical properties of carbon-based nanomaterials;
  • The functionalization of magnetic carbon-based nanomaterials;
  • Emerging applications and properties of carbon-based nanomaterials;
  • Magnetostrictive and magnetorestrictive carbon-based nanomaterials.

Prof. Stefano Bellucci
Guest Editor

Manuscript Submission Information

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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. Materials is an international peer-reviewed open access semimonthly 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 2600 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

  • carbon nanomaterials
  • magnetic carbon-based nanomaterials
  • synthesis/fabrication
  • nanocomposite magnets
  • physicochemical properties
  • electrochemical properties
  • thermodynamical properties
  • mechanical properties

Published Papers (3 papers)

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Research

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13 pages, 4543 KiB  
Article
X-ray Absorption and Magnetic Circular Dichroism in CVD Grown Carbon Nanotubes
by Stefano Bellucci, Antonino Cataldo, Alberto Tagliaferro, Mauro Giorcelli and Federico Micciulla
Materials 2019, 12(7), 1073; https://doi.org/10.3390/ma12071073 - 1 Apr 2019
Cited by 2 | Viewed by 2644
Abstract
Nowadays, a deep knowledge of procedures of synthesis of nanostructured materials plays an important role in achieving nano-materials with accurate and wanted properties and performances. Carbon-based nanostructured materials continue to attract a huge amount of research efforts, because of their wide-ranging properties. Using [...] Read more.
Nowadays, a deep knowledge of procedures of synthesis of nanostructured materials plays an important role in achieving nano-materials with accurate and wanted properties and performances. Carbon-based nanostructured materials continue to attract a huge amount of research efforts, because of their wide-ranging properties. Using X-ray absorption (XAS) and X-ray magnetic circular dichroism (XMCD) spectroscopy in the soft X-ray regime, by the synchrotron radiation, we studied the L3,2 absorption edges of iron (Fe) nanoparticles, when they are embedded in oriented Multi Wall Carbon Nanotube (MWCNTs) layers grown by thermal Chemical Vapor Deposition (CVD) technique catalyzed by this transition metal. This could allow us to understand the valence state and role of catalysts and thus their electronic and magnetic structures. It is important to note that the control of the size of these tethered nanoparticles is of primary importance for the purpose of tailoring the physical and chemical properties of these hierarchical materials. The MWCNTs samples used in XAS and XMCD measurements were synthesized by the CVD technique. The actual measurements were carried out by the group NEXT of the INFN- LNF with the logistic experimental support of the INFM-CNR and the Synchrotron Elettra Trieste. Full article
(This article belongs to the Special Issue Unique Properties of Carbon Nanomaterials and Their Applications)
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14 pages, 23984 KiB  
Article
Synthesis and Characterization of Flower-like Carbon-encapsulated Fe-C Nanoparticles for Application as Adsorbing Material
by Lixin Zhao, Xibin Dai, Baoe Li, Hongshui Wang, Haipeng Li and Chunyong Liang
Materials 2019, 12(5), 829; https://doi.org/10.3390/ma12050829 - 12 Mar 2019
Cited by 4 | Viewed by 2896
Abstract
Carbon-encapsulated Fe-C (Fe-C@C) nanoparticles with a divergently flower-like morphology were successfully synthesized for application as an adsorbing material by using freeze-drying and chemical vapor deposition (CVD) methods. The Fe metallic source was first loaded onto a sodium chloride (NaCl) supporter via freeze-drying to [...] Read more.
Carbon-encapsulated Fe-C (Fe-C@C) nanoparticles with a divergently flower-like morphology were successfully synthesized for application as an adsorbing material by using freeze-drying and chemical vapor deposition (CVD) methods. The Fe metallic source was first loaded onto a sodium chloride (NaCl) supporter via freeze-drying to obtain the Fe/NaCl composite powder. Then, Fe-C@C nanoparticles were synthesized in the temperature range of 300–450 °C via CVD of acetylene in the Fe/NaCl composite powder using Fe nanoparticles as catalysts and NaCl as supporters. Because the NaCl supporter is water-soluble, the synthesized Fe-C@C nanoparticles were easy to purify, and a high purity was obtained by simple washing and centrifugation. The optimal Fe-C@C nanoparticles, synthesized at 400 °C, possessed a unique divergently flower-like structure and a high specific surface area of 169.4 m2/g that can provide more adsorption sites for contaminants. Adsorption experiments showed that the flower-like Fe-C@C adsorbent exhibited high adsorption capacity (90.14 mg/g) and fast removal of methylene blue (MB). Moreover, the magnetic properties of the nanoparticles, with saturation magnetization of 36.544 emu/g, facilitated their magnetic separation from wastewater. Therefore, the novel flower-like Fe-C@C nanoparticles with integrated adsorptive and magnetic properties have the potential to be an effective adsorbent in dye wastewater treatment. Full article
(This article belongs to the Special Issue Unique Properties of Carbon Nanomaterials and Their Applications)
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Review

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36 pages, 9727 KiB  
Review
Experimental and Simulation Research on the Preparation of Carbon Nano-Materials by Chemical Vapor Deposition
by Bo Yang, Lanxing Gao, Miaoxuan Xue, Haihe Wang, Yanqing Hou, Yingchun Luo, Han Xiao, Hailiang Hu, Can Cui, Huanjiang Wang, Jianhui Zhang, Yu-Feng Li, Gang Xie, Xin Tong and Yadian Xie
Materials 2021, 14(23), 7356; https://doi.org/10.3390/ma14237356 - 30 Nov 2021
Cited by 6 | Viewed by 3194
Abstract
Carbon nano-materials have been widely used in many fields due to their electron transport, mechanics, and gas adsorption properties. This paper introduces the structure and properties of carbon nano-materials the preparation of carbon nano-materials by chemical vapor deposition method (CVD)—which is one of [...] Read more.
Carbon nano-materials have been widely used in many fields due to their electron transport, mechanics, and gas adsorption properties. This paper introduces the structure and properties of carbon nano-materials the preparation of carbon nano-materials by chemical vapor deposition method (CVD)—which is one of the most common preparation methods—and reaction simulation. A major factor affecting the material structure is its preparation link. Different preparation methods or different conditions will have a great impact on the structure and properties of the material (mechanical properties, electrical properties, magnetism, etc.). The main influencing factors (precursor, substrate, and catalyst) of carbon nano-materials prepared by CVD are summarized. Through simulation, the reaction can be optimized and the growth mode of substances can be controlled. Currently, numerical simulations of the CVD process can be utilized in two ways: changing the CVD reactor structure and observing CVD chemical reactions. Therefore, the development and research status of computational fluid dynamics (CFD) for CVD are summarized, as is the potential of combining experimental studies and numerical simulations to achieve and optimize controllable carbon nano-materials growth. Full article
(This article belongs to the Special Issue Unique Properties of Carbon Nanomaterials and Their Applications)
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