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Materials
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The 15th Anniversary of Materials—Recent Advances in Carbon Materials
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The 15th Anniversary of Materials—Recent Advances in Carbon Materials

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

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 3558

Special Issue Editor

Prof. Dr. Stefano Bellucci

E-Mail Website
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,

Launched in 2008, for the last 15 years Materials has provided readers with high-quality content edited by active researchers in material science, offering sustainable open access and outstanding editorial services. Today, the published papers receive more than 1,500,000 views per month, with readers in more than 150 countries and regions.

Carbon materials, including fullerene, nanotubes, graphene, onion-like structures and nanodiamonds, have been constantly the focus of worldwide scientific attention. This owes to their exceptional properties, particularly their flexibility in use for a tremendous number of applications. In addition, related materials, such as 2D materials (e.g. transition metal dichalcogenides, hexagonal boron nitride), have been, by now, customarily included in the picture. Last but not least, the preparation and application of composite materials, based on both ceramics and polymeric matrices, including the abovementioned nanomaterials as inclusions, gave new, fresh momentum to the issue of advanced nanomaterials for innovative devices. We welcome original contributions, as well as review papers, in all these areas of research.

Prof. Dr. Stefano Bellucci
Guest Editor

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Keywords

  • fullerene
  • nanotubes
  • graphene
  • onion-like structures
  • nanodiamonds
  • 2D nanomaterials
  • transition metal dichalcogenides
  • hexagonal boron nitride
  • composite materials

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Published Papers (1 paper)

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Research

16 pages, 3729 KiB  
Article
Magnetic Biochar Obtained by Chemical Coprecipitation and Pyrolysis of Corn Cob Residues: Characterization and Methylene Blue Adsorption
by Norma Araceli Guel-Nájar, Jorge Carlos Rios-Hurtado, Elia Martha Muzquiz-Ramos, Gloria I. Dávila-Pulido, Adrián A. González-Ibarra and Aurora M. Pat-Espadas
Materials 2023, 16(8), 3127; https://doi.org/10.3390/ma16083127 - 15 Apr 2023
Cited by 6 | Viewed by 2853
Abstract
Biochar is a carbonaceous and porous material with limited adsorption capacity, which increases by modifying its surface. Many of the biochars modified with magnetic nanoparticles reported previously were obtained in two steps: first, the biomass was pyrolyzed, and then the modification was performed. [...] Read more.
Biochar is a carbonaceous and porous material with limited adsorption capacity, which increases by modifying its surface. Many of the biochars modified with magnetic nanoparticles reported previously were obtained in two steps: first, the biomass was pyrolyzed, and then the modification was performed. In this research, a biochar with Fe3O4 particles was obtained during the pyrolysis process. Corn cob residues were used to obtain the biochar (i.e., BCM) and the magnetic one (i.e., BCMFe). The BCMFe biochar was synthesized by a chemical coprecipitation technique prior to the pyrolysis process. The biochars obtained were characterized to determine their physicochemical, surface, and structural properties. The characterization revealed a porous surface with a 1013.52 m2/g area for BCM and 903.67 m2/g for BCMFe. The pores were uniformly distributed, as observed in SEM images. BCMFe showed Fe3O4 particles on the surface with a spherical shape and a uniform distribution. According to FTIR analysis, the functional groups formed on the surface were aliphatic and carbonyl functional groups. Ash content in the biochar was 4.0% in BCM and 8.0% in BCMFe; the difference corresponded to the presence of inorganic elements. The TGA showed that BCM lost 93.8 wt% while BCMFe was more thermally stable due to the inorganic species on the biochar surface, with a weight loss of 78.6%. Both biochars were tested as adsorbent materials for methylene blue. BCM and BCMFe obtained a maximum adsorption capacity (qm) of 23.17 mg/g and 39.66 mg/g, respectively. The obtained biochars are promising materials for the efficient removal of organic pollutants. Full article
(This article belongs to the Special Issue The 15th Anniversary of Materials—Recent Advances in Carbon Materials)
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