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Materials
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Development, Properties, and Applications of Carbon-Based Nanomaterials
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Development, Properties, and Applications of Carbon-Based Nanomaterials

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

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 1911

Special Issue Editor

Dr. Keenan Mintz

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA
Interests: carbon dots; carbon fibers; drug delivery; carbon composites

Special Issue Information

Dear Colleagues,

In the last 35 years, several different types of carbon nanomaterials have been discovered, including graphene, carbon nanotubes, and carbon dots. These breakthroughs have sparked a revolution in the field of nanotechnology as researchers have sought to explore the exciting applications of these materials. Different allotropes of carbon exhibit unique properties and promote their use in diverse fields. The conductivity and strength of graphene and carbon nanotubes have compelled investigations into these materials in electronics and their incorporation into carbon fibers and composites. Various carbon nanoparticles have shown promise in areas such as drug delivery, energy storage, and photocatalysis based on their easily modifiable surface and unique electronic and optical properties. Despite the promise shown by the various types of carbon nanomaterials, there remain many fundamental questions about their properties and obstacles to maximizing their use in fields such as nanomedicine, electronics, and manufacturing. 

This Special Issue encompasses research based on new and improved synthesis/development of carbon nanomaterials, enhanced understanding of their properties, and advances in the use of these materials in various applications.

I am excited to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Keenan Mintz
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. 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 nanoparticles
  • drug delivery
  • photocatalysis
  • energy storage
  • carbon dots
  • polymers
  • sensing
  • photoluminescence
  • carbon composites
  • carbon nanotubes

Published Papers (2 papers)

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Research

14 pages, 6260 KiB  
Article
Measurement of the Axial Magnetic Susceptibility of m-SWCNTs at High Temperatures in a Magnetic Field-Assisted FC-CVD
by Tanze Shen, Qiang Fu and Chunxu Pan
Materials 2024, 17(11), 2745; https://doi.org/10.3390/ma17112745 - 4 Jun 2024
Viewed by 384
Abstract
We synthesized some SWCNTs films under different magnetic fields and temperatures in a magnetic field-assisted FC-CVD and obtained Raman spectra of the films. By analyzing the Raman spectra, it was concluded that the SWCNTs films had defects, and the relative content of m-SWCNTs [...] Read more.
We synthesized some SWCNTs films under different magnetic fields and temperatures in a magnetic field-assisted FC-CVD and obtained Raman spectra of the films. By analyzing the Raman spectra, it was concluded that the SWCNTs films had defects, and the relative content of m-SWCNTs in the SWCNTs films was obtained. The trajectory of m-SWCNTs was obtained by analyzing the motion behavior of m-SWCNTs flow in the field-assisted system, and a model was built to describe the relationship between the relative content of m-SWCNTs and magnetic fields. The axial magnetic susceptibility of m-SWCNTs as a parameter was obtained by fitting the experimental results and the model. This is the first time that the axial magnetic susceptibility of m-SWCNTs has been obtained. The result obtained at 1273 K is at least two orders of magnitude greater than the magnetic susceptibilities and anisotropies of purified m-SWCNTs at 300 K, indicating that the defects increase the Curie temperature and Curie constant of m-SWCNTs. This is consistent with the spin-polarized density functional theory, which predicts that m-SWCNTs with vacancies have local magnetic moments around the vacancies and exhibit ferro- or ferrimagnetism. Full article
(This article belongs to the Special Issue Development, Properties, and Applications of Carbon-Based Nanomaterials)
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14 pages, 21040 KiB  
Article
Photocatalytic Degradation of Xylene by Carbon Quantum Dots/Clinoptilolite Composites
by Shuguang Zhu, Chun Cheng, Li Meng, Pengyu Zhang and Bai Sun
Materials 2023, 16(15), 5243; https://doi.org/10.3390/ma16155243 - 26 Jul 2023
Cited by 1 | Viewed by 994
Abstract
In this work, a series of clinoptilolite composites decorated with carbon quantum dots (CQDs/clinoptilolite) with hierarchical pore structures was demonstrated that exhibits good photocatalytic performance for the removal of xylene. The technique for the attachment of carbon quantum dots to clinoptilolite was prepared [...] Read more.
In this work, a series of clinoptilolite composites decorated with carbon quantum dots (CQDs/clinoptilolite) with hierarchical pore structures was demonstrated that exhibits good photocatalytic performance for the removal of xylene. The technique for the attachment of carbon quantum dots to clinoptilolite was prepared by a hydrothermal method in this study. The structural features were confirmed by SEM, TEM, EDS, XRD, BET, XPS, and solid diffuse reflection measurements, while the degradation mechanism was investigated by adding a trapping agent into the nanocomposites. The introduction of CQDs promoted the separation of photogenerated electrons and holes as well as the generation of reactive radicals, which effectively improved the light utilization and even increased the degradation rate of xylene by 73% at the optimal state. The photocatalytic test was conducted under a different dwell time, catalyst dosage, initial concentration, and illumination intensity. The results showed that the degradation rate of xylene by the CQDs/clinoptilolite catalyst reached 97.4% under the optimal reaction conditions (the catalyst was Catalyst No. 2, the residence time was 90 s, the initial concentration was 2.5 g/m3, the light intensity was three lamps for irradiation, and the catalyst dosage was 0.05 g). In addition, the degradation efficiency of the CQDs/clinoptilolite photocatalyst still reached 78% after eight consecutive catalytic regeneration cycles. This work sheds new light on the degradation of xylene. Full article
(This article belongs to the Special Issue Development, Properties, and Applications of Carbon-Based Nanomaterials)
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