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C
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Carbon-Rich Compounds: From Molecules to Materials
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Carbon-Rich Compounds: From Molecules to Materials

A special issue of C (ISSN 2311-5629). This special issue belongs to the section "Carbon Skeleton".

Deadline for manuscript submissions: closed (31 January 2021) | Viewed by 16823

Special Issue Editor

Prof. Dr. Jean-François Morin

E-Mail Website
Guest Editor
Département de Chimie, 1045 Ave de la Médecine, Pavillon A.-Vachon, University Laval, Québec, QC G1V 0A6, Canada
Interests: organic synthesis of carbon nanomaterials; graphene nanoribbons; nanographenes; polycyclic aromatic hydrocarbons; alkyne chemistry; 2D carbon-rich polymers; optical properties of carbon materials; C-C crodss-coupling reaction; open-shell compounds
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

We are pleased to present our Special Issue of the Journal C, focusing on the synthesis and optical and electronic properties of carbon-rich compounds, including small molecules and polymers. Researchers in the field of organic synthesis, carbon-based diradical compounds, semiconductors for organic electronics, carbon-rich dyes, new carbon allotropes, fullerenes, carbon nanotubes fragments, and curved aromatics are encouraged to submit their manuscript. This Special Issue will include original articles and reviews in both experimental and theoretical fields related to the carbon-rich compounds field. 

The main focus of this Special Issue is the understanding of the structure–properties relationship pertaining to carbon-rich compounds: aromaticity, optical properties, charge transport, light-harvesting, electronic devices, single molecule magnetism, and diradical character. Manuscripts presenting new synthetic organic methods towards carbon-rich compounds are also sought. 

Prof. Dr. Jean-François Morin
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

  •  Organic synthesis
  •  Diradical
  •  Semiconductors
  •  Dyes
  •  Singlet fission
  •  Curved aromatic
  •  Nano-rings
  •  Nanobelts
  •  Fullerenes
  •  Carbon nanotube fragments
  •  Aromaticity
  •  Structure–properties relationship
  •  Charge transport
  •  Electronic devices

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Published Papers (4 papers)

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Research

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18 pages, 4989 KiB  
Article
Investigation of the Effects of Multi-Wall and Single-Wall Carbon Nanotubes Concentration on the Properties of ABS Nanocomposites
by Brenda Janett Alonso Gutierrez, Sithiprumnea Dul, Alessandro Pegoretti, Jaime Alvarez-Quintana and Luca Fambri
C 2021, 7(2), 33; https://doi.org/10.3390/c7020033 - 27 Mar 2021
Cited by 15 | Viewed by 4458
Abstract
The effects of two types of carbon nanotubes, namely multiwall (MWCNT) and single-wall (SWCNT) carbon nanotube, on the thermal and mechanical properties of acrylonitrile-butadiene-styrene (ABS) nanocomposites, have been investigated. ABS filled-CNT nanocomposites with various filler loadings of 5–10 wt% were properly produced by [...] Read more.
The effects of two types of carbon nanotubes, namely multiwall (MWCNT) and single-wall (SWCNT) carbon nanotube, on the thermal and mechanical properties of acrylonitrile-butadiene-styrene (ABS) nanocomposites, have been investigated. ABS filled-CNT nanocomposites with various filler loadings of 5–10 wt% were properly produced by a solvent-free process in blend compounding at 190 °C. Compression moulded plates and extruded filaments were obtained at 190 °C and 230 °C, respectively. Melt flow index (MFI), shore hardness, Vicat temperature, differential scanning calorimeter (DSC) and thermogravimetric analysis (TGA) were performed to characterize and compared the different CNT nanocomposites. ABS/SWCNT composite filaments showed higher tensile properties (i.e., stiffness and strength), than ABS/MWCNT. The electrical resistivity of ABS/SWCNT and ABS/MWCNT filaments decreased to 0.19 Ω.cm and 0.65 Ω.cm for nanocomposites with 10 wt% of nanofillers; a power law was presented to describe the electrical resistivity of composites as a function of the CNTs content. A final comparative parameter regarding melt flow, stiffness and conductivity was also evaluated for understanding the combined effects of the nanofillers. SWCNT nanocomposites exhibited better overall cumulative results than MWCNT nanocomposites. Full article
(This article belongs to the Special Issue Carbon-Rich Compounds: From Molecules to Materials)
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8 pages, 4093 KiB  
Article
A New Composite Material on the Base of Carbon Nanotubes and Boron Clusters B12 as the Base for High-Performance Supercapacitor Electrodes
by Dmitry A. Kolosov and Olga E. Glukhova
C 2021, 7(1), 26; https://doi.org/10.3390/c7010026 - 25 Feb 2021
Cited by 6 | Viewed by 2461
Abstract
We explore the quantum capacitance, stability, and electronic properties of single-walled carbon nanotubes decorated with B12 icosahedral boron clusters by first-principle calculation methods implemented in the SIESTA code. After the optimization of the built supercells, the B12 clusters formed bonds with the walls [...] Read more.
We explore the quantum capacitance, stability, and electronic properties of single-walled carbon nanotubes decorated with B12 icosahedral boron clusters by first-principle calculation methods implemented in the SIESTA code. After the optimization of the built supercells, the B12 clusters formed bonds with the walls of the carbon nanotubes and demonstrated metallic properties in all cases. The network of carbon nanotubes with its large area and branched surface is able to increase the capacity of the electric double-layer capacity, but the low quantum capacity of each nanotube in this network limits its application in supercapacitors. We found that the addition of boron clusters to both the outer and inner walls increased the quantum capacitance of carbon nanotubes. The calculation of the transmission function near the Fermi energy showed an increase in the conductivity of supercells. It was also found that an increase in the concentration of boron clusters in the structure led to a decrease in the heat of formation that positively affects the stability of supercells. The calculation of the specific charge density showed that with an increase in the boron concentration, the considered material demonstrated the properties of an asymmetric electrode. Full article
(This article belongs to the Special Issue Carbon-Rich Compounds: From Molecules to Materials)
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14 pages, 5922 KiB  
Article
Anisotropic Magnetism in Gradient Porous Carbon Composite Aerogels
by Jochen Bahner, Nicolas Hug and Sebastian Polarz
C 2021, 7(1), 22; https://doi.org/10.3390/c7010022 - 13 Feb 2021
Cited by 3 | Viewed by 2819
Abstract
Porosity is of high importance for functional materials, as it allows for high surface areas and the accessibility of materials. While the fundamental interplay between different pore sizes and functionalities is quite well understood, few studies on gradually changing properties in a material [...] Read more.
Porosity is of high importance for functional materials, as it allows for high surface areas and the accessibility of materials. While the fundamental interplay between different pore sizes and functionalities is quite well understood, few studies on gradually changing properties in a material exist. To date, only a few examples of such materials have been synthesized successfully. Herein, we present a facile method for synthesizing macroscopic carbon aerogels with locally changing pore sizes and functionalities. We used ultracentrifugation to fractionate differently functionalized and sized polystyrene nanoparticles. The assembly into gradient templates was conducted in a resorcinol–formaldehyde (RF) sol, which acted as a liquid phase and carbon precursor. We show that the modification of nanoparticles and a sol–gel precursor is a powerful tool for introducing dopants (sulfur and phosphorous) and metal nanoparticles (e.g., Ni) into gradient porous carbons formed during the carbonization of the RF sol. Understanding the underlying interactions between particles and precursors will lead to a plethora of possibilities in the material design of complex functionally graded materials. We showed this by exchanging parts of the template with magnetite–polystyrene composites as templating nanoparticles. This led to the incorporation of magnetite nanoparticles in the formed gradient porous carbon aerogels. Finally, gradually increasing concentrations of magnetite were obtained, ultimately leading to macroscopic carbon aerogels with locally changing magnetic properties, while the graded porosity was maintained. Full article
(This article belongs to the Special Issue Carbon-Rich Compounds: From Molecules to Materials)
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Review

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11 pages, 2360 KiB  
Review
Fullerene Polymers: A Brief Review
by Peter J. F. Harris
C 2020, 6(4), 71; https://doi.org/10.3390/c6040071 - 5 Nov 2020
Cited by 20 | Viewed by 6187
Abstract
This paper reviews the ways in which C60 and other fullerene molecules can be incorporated into polymeric structures. Firstly, polymers in which the fullerenes are incorporated into the structure by covalent or noncovalent bonding are discussed. These include “pearl necklace” structures, “charm [...] Read more.
This paper reviews the ways in which C60 and other fullerene molecules can be incorporated into polymeric structures. Firstly, polymers in which the fullerenes are incorporated into the structure by covalent or noncovalent bonding are discussed. These include “pearl necklace” structures, “charm bracelet” structures, organometallic polymers, crosslinked polymers, end-capped polymers, star-shaped polymers and supramolecular polymers. Secondly, all-carbon polymers, which are produced by fusing fullerenes together, are covered. The synthesis and properties of each class of fullerene polymer are outlined and the prospects for commercial applications considered. Full article
(This article belongs to the Special Issue Carbon-Rich Compounds: From Molecules to Materials)
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