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2D Nanomaterials and Nanostructures

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

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 4011

Special Issue Editor

Special Issue Information

Dear Colleagues,

Two-dimensional (2D) nanomaterials are composed of thin layers that may have a thickness of at least one atomic layer, while nanostructures refer to materials or structures that have at least one dimension between 1 and 100 nm. These materials and structures have a high aspect ratio (surface-area-to-volume ratio) and present exceptional properties that reflect their strong potential for widespread use in a variety of industries.

The entire knowledge and effective use of 2D nanomaterials and nanostructures require more time and effort. They can be designed at the molecular (nanometer) level to take advantage of their tiny size and novel physicochemical properties, which are generally not observed in their typical, bulk counterparts. Their most interesting feature may be that they produce a unique nature with new characteristics and capabilities by modifying the shape and size at the nanoscale level. The revealing, prediction, and control of those characteristics, as well as the synthesis of new 2D nanomaterials and nanostructures, requires extensive experimental, computational, and theoretical work to be performed by the research community in order to take full advantage of them in specific applications.

This Special Issue will collect high-quality papers that advance the field of 2D nanomaterials and nanostructures, providing new knowledge through the development and/or application of any modern computational, analytical, and/or experimental method.

It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome. 

Prof. Stelios K. Georgantzinos
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

  • 2D nanomaterials
  • Graphene-like materials
  • Nanostructures
  • Synthesis
  • Structure
  • Characterization
  • Properties
  • Modeling
  • Simulation
  • Design

Published Papers (2 papers)

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Research

15 pages, 5625 KiB  
Article
One Pot Synthesis of Graphene through Microwave Assisted Liquid Exfoliation of Graphite in Different Solvents
by Betül Gürünlü, Çiğdem Taşdelen-Yücedağ and Mahmut Bayramoğlu
Molecules 2022, 27(15), 5027; https://0-doi-org.brum.beds.ac.uk/10.3390/molecules27155027 - 07 Aug 2022
Cited by 4 | Viewed by 2086
Abstract
This study presents an easy and quick method for the synthesis of graphene from graphite in a set of solvents, including n-Hexadecane (n-Hexa), dimethylsulfoxide (DMSO), sodium hydroxide (NaOH), 1-octanol (OCTA), perchloric acid (PA), N,N-Dimethylformamide (DMF), ethylene glycol (EG), and ethylene diamine (ED), via [...] Read more.
This study presents an easy and quick method for the synthesis of graphene from graphite in a set of solvents, including n-Hexadecane (n-Hexa), dimethylsulfoxide (DMSO), sodium hydroxide (NaOH), 1-octanol (OCTA), perchloric acid (PA), N,N-Dimethylformamide (DMF), ethylene glycol (EG), and ethylene diamine (ED), via microwave (MW) energy. The properties of final products were determined by X-ray diffraction spectroscopy (XRD), Fourier transform infrared spectroscopy (FTIR), ultraviolet-visible (UV-Vis) spectroscopy, and the four-point probe technique. The XRD spectra of most of the MW-assisted graphene products showed peaks at 2θ = 26.5° and 54°. Layer numbers extend from 2 and 25, and the leading comes about were gotten by having two-layered products, named as graphene synthesized in dimethylsulfoxide (G-DMSO), graphene synthesized in ethylene glycol (G-EG), and graphene synthesized in 1-octanol (G-OCTA). G-DMF has the highest electrical conductivity with 22 S/m. The electrical conductivity is higher when the dipole moment of the used solvent is between 2 and 4 Debye (D). The FTIR spectra of most of the MW-assisted graphene products are in line with commercial graphene (CG). The UV-Vis spectra of all MW-assisted graphene products showed a peak at 223 nm referring to characteristic sp2 C=C bonds and 273 nm relating to the n → π * transition of C-O bonds. Full article
(This article belongs to the Special Issue 2D Nanomaterials and Nanostructures)
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14 pages, 4026 KiB  
Article
Wave Propagation in Rotating Functionally Graded Microbeams Reinforced by Graphene Nanoplatelets
by Tianyu Zhao, Yu Ma, Jiannan Zhou and Yanming Fu
Molecules 2021, 26(17), 5150; https://0-doi-org.brum.beds.ac.uk/10.3390/molecules26175150 - 25 Aug 2021
Cited by 5 | Viewed by 1389
Abstract
This paper presents a study on wave propagation in rotating functionally graded (FG) microbeams reinforced by graphene nanoplatelets (GPLs). The graphene nanoplatelets (GPLs) are considered to distribute in the diameter direction of the micro-beam in a gradient pattern, which leads to the functionally [...] Read more.
This paper presents a study on wave propagation in rotating functionally graded (FG) microbeams reinforced by graphene nanoplatelets (GPLs). The graphene nanoplatelets (GPLs) are considered to distribute in the diameter direction of the micro-beam in a gradient pattern, which leads to the functionally graded structure. By using the Halpin-Tsai micromechanics model and the rule of mixture, the effective material properties of the microbeam are determined. According to the Euler-Bernoulli beam theory and nonlocal elasticity theory, the rotating microbeams are modeled. A comprehensive parametric study is conducted to examine the effects of rotating speed, GPL distribution pattern, GPL length-to-thickness ratio, GPL length-to-width ratio, and nonlocal scale on the wavenumber, phase speed and group speed of the microbeam. The research findings can play an important role on the design of rotating graphene nanoplatelet (GPL) reinforced microbeams for better structural performance. Full article
(This article belongs to the Special Issue 2D Nanomaterials and Nanostructures)
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