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Advanced Carbon Nanomaterials and Their Applications
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Advanced Carbon Nanomaterials and Their Applications

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 1480

Special Issue Editor

Prof. Dr. Jingang Wang

E-Mail Website
Guest Editor
College of Science, Liaoning Petrochemical University, Fushun, China
Interests: physical properties and property regulation of C-based nanomaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Carbon has three hybrid states, sp3, sp2, and sp, and various carbon allotropes can be formed through different hybrid states. For example, diamond can be formed by sp3 hybridization, and carbon nanotubes, fullerenes, graphyne, and graphene can be formed by sp3 hybridization with sp2. In fact, due to the influence of quantum size effect, small structural differences create the performance difference of C-based materials. C nanotubes, zero-dimensional C quantum dots (graphene quantum dots), quasi-one-dimensional C nanoribbons (graphene nanoribbons, graphylene nanoribbons, and fullerene nanoribbons), two-dimensional C materials (graphene, graphylene, fullerene network structures, etc.), and their composite structures (heterostructures, Medical treatment, microelectronics, and other fields have broad application prospects.

In general, the atomic structure of carbon nanomaterials and the interfacial interactions with other phase materials have important effects on the properties of carbon nanomaterials. Therefore, designing and functionalizing carbon nanomaterials at the nanoscale has become a popular strategy for achieving the properties required for specific applications. In addition, functional carbon nanomaterials with nanoscale properties have different physical and chemical properties, including chemical stability, good thermal conductivity, good mechanical properties, superconductivity, and improved optical properties. The current focus is on their basic research, experimental and theoretical problems, and practical topics, such as synthesis, growth methods, preparation methods, property modification, property modeling, spectral simulation, device property changes, and the construction of practical devices.

This Special Issue will focus on the synthesis, purification, sorting, functionalization, characterization, chemical and physical properties, applications, theory, and modeling of novel carbon nanostructures such as graphene, graphene nanoribbons, two-dimensional heterostructures, fullerenes, fullerenes 2D network structures, and graphene. The issue is designed to provide a comprehensive overview of recent and upcoming advances in the field to help researchers quickly identify the relevant publications of their own research on carbon nanostructures.

Prof. Dr. Jingang Wang
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. Molecules 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 2700 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-based nanomaterials
  • carbon-based structural materials
  • theoretical calculation
  • multifunctional composites
  • nanographene

Published Papers (3 papers)

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Research

15 pages, 3203 KiB  
Article
One-Pot Synthesis of Alkyl Functionalized Reduced Graphene Oxide Nanocomposites as the Lubrication Additive Enabling Enhanced Tribological Performance
by Guangfa Zhang, Chao Zhu, Yehai Yan, Jian Cui and Jingxian Jiang
Molecules 2024, 29(9), 2004; https://0-doi-org.brum.beds.ac.uk/10.3390/molecules29092004 - 26 Apr 2024
Viewed by 213
Abstract
Recently, aiming for the enhanced dispersibility of graphene-based nanomaterials in lubricating oil matrices to serve as highly efficient lubricant additives, numerous modification approaches have been extensively studied. However, these previous modification routes usually involve a tedious multistep modification process or multitudinous toxic reagents, [...] Read more.
Recently, aiming for the enhanced dispersibility of graphene-based nanomaterials in lubricating oil matrices to serve as highly efficient lubricant additives, numerous modification approaches have been extensively studied. However, these previous modification routes usually involve a tedious multistep modification process or multitudinous toxic reagents, restricting their extensive practical application. In this work, novel graphene oxide (GO) nanoadditives (RGO-g-BO) featuring excellent durable dispersion capability and remarkable tribological performance were successfully prepared via an environmentally friendly one-step approach consisting of surface grafting of long-chain bromooctadecane (BO) and in situ chemical reduction. Benefiting from the greatly improved lipophilicity (resulting from the introduction of hydrophobic long-chain alkane groups and chemical reduction), along with the miniaturization effect, RGO-g-BO exhibits superior long-term dispersion stability in the finished oil. Moreover, the tribological properties results demonstrated that the finished oil filled with RGO-g-BO nanolubricants achieved an outstanding friction-reducing and antiwear performance. Particularly, under the optimum content of RGO-g-BO (as low as 0.005 wt%), the friction coefficient as well as the wear volume of the composite finished oil were greatly reduced by 13% and 53%, respectively, as compared with nascent finished oil. Therefore, in view of the advantages of low-cost, one-step facile synthesis, desirable dispersion capability, and remarkable tribological performance, RGO-g-BO holds great prospects as a highly efficient lubrication additive in the tribology field. Full article
(This article belongs to the Special Issue Advanced Carbon Nanomaterials and Their Applications)
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14 pages, 2213 KiB  
Article
Preparation and Support Effect of Graphdiyne Nanotubes with Abundant Cu Quantum Dots
by Yan Lv, Wenzhou Wang, Zhangwei Li and Fucang Liang
Molecules 2024, 29(6), 1410; https://0-doi-org.brum.beds.ac.uk/10.3390/molecules29061410 - 21 Mar 2024
Viewed by 554
Abstract
Graphdiyne (GDY) is considered a very attractive support for metal nanocatalysts due to its unique structure and superior properties. The metal–GDY interaction can significantly affect the performance of catalysts. Herein, GDY nanotubes abundant in in situ formed Cu quantum dots (QDs) (Cu-GDYNT) are [...] Read more.
Graphdiyne (GDY) is considered a very attractive support for metal nanocatalysts due to its unique structure and superior properties. The metal–GDY interaction can significantly affect the performance of catalysts. Herein, GDY nanotubes abundant in in situ formed Cu quantum dots (QDs) (Cu-GDYNT) are prepared using the electrospun polyacrylonitrile nanofibers collected on the surface of electrolytic Cu foil as templates. The diameter of the Cu-GDYNT is controllable and the uniform size of the embedded Cu QDs is about 2.2 nm. And then, the uniformly dispersed and highly active supported catalysts of ruthenium nanoparticles (Rux/Cu-GDYNT) are produced using the Cu-GDYNT as the support. Among them, the Ru3/Cu-GDYNT exhibit outstanding HER performance at all pH levels. Only 17, 67 and 83 mV overpotential is required to reach a current density of 10 mA cm−2 in 1.0 M KOH, 0.5 M H2SO4 and 1.0 M neutral PBS solutions, respectively. The sample exhibits 3000 CV cycle stability and 20 h continuous electrolysis without performance degradation in an alkaline medium. This work provides a new idea for constructing the GDY-supported metal nanocatalysts. Full article
(This article belongs to the Special Issue Advanced Carbon Nanomaterials and Their Applications)
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14 pages, 7420 KiB  
Article
The Physical Mechanism of Linear and Nonlinear Optical Properties of Nanographene-Induced Chiral Inversion
by Zhiyuan Yang, Xinwen Gai, Yi Zou and Yongjian Jiang
Molecules 2024, 29(5), 1053; https://0-doi-org.brum.beds.ac.uk/10.3390/molecules29051053 - 28 Feb 2024
Viewed by 517
Abstract
Based on density functional theory (DFT) and wave function analysis, the ultraviolet and visible spectrophotometry (UV-Vis) spectra and Raman spectra of 1-meso and 1-rac obtained by the chiral separation of chiral nanographenes are theoretically investigated. The electron excitation properties of 1-meso and 1-rac [...] Read more.
Based on density functional theory (DFT) and wave function analysis, the ultraviolet and visible spectrophotometry (UV-Vis) spectra and Raman spectra of 1-meso and 1-rac obtained by the chiral separation of chiral nanographenes are theoretically investigated. The electron excitation properties of 1-meso and 1-rac are studied by means of transition density matrix (TDM) and charge density difference (CDD) diagrams. The intermolecular interaction is discussed based on an independent gradient model based on Hirshfeld partition (IGMH). The interaction of 1-meso and 1-rac with the external environment is studied using the electrostatic potential (ESP), and the electron delocalization degree of 1-meso and 1-rac is studied based on the magnetically induced current under the external magnetic field. Through the chiral separation of 1-rac, two enantiomers, 1-(P, P) and 1-(M, M), were obtained. The electrical–magnetic interaction of the molecule is revealed by analyzing the electron circular dichroism (ECD) spectra of 1-meso, 1-(P, P) and 1-(M, M), the transition electric dipole moment (TEDM) and the transition magnetic dipole moment (TMDM). It is found that 1-(P, P) and 1-(M, M) have opposite chiral properties due to the inversion of the structure. Full article
(This article belongs to the Special Issue Advanced Carbon Nanomaterials and Their Applications)
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