Characterization, Synthesis and Applications of 1D and 2D Materials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (10 January 2022) | Viewed by 7320
Related Special Issue: Fabrication, Characterization and Application of Carbon Nanotubes

Special Issue Editor


E-Mail Website
Guest Editor
Flinders Centre for NanoScale Science and Technology, College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia
Interests: nanotechnology; nanometrology; nanomaterial synthesis and characterisation; microcantilever sensing and characterisation; atomic force microscopy; raman microscopy; electron microscopy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

1D and 2D materials exist in a variety of forms and composition including, for example, carbon nanotubes and graphene, which represent the 1D and 2D forms of carbon. Their remarkable properties, such as high surface area to volume ratio, surface charge, structure, anisotropic nature and tunable functionalities, have found applications in a wide range of scientific disciplines and fields of study including, for example, energy production and storage, nanotechnology, materials science, microscopy, drug delivery, biomedical science, sensing, filtration, and microelectronics. New methods to fabricate 1D or 2D materials are always being investigated, and techniques to precisely characterize these nanomaterials are vital in understanding their properties and applying them to academic and industrial scientific research. This Special Issue of Applied Sciences is therefore aimed at presenting the latest developments in the synthesis, characterization, and application of 1D and 2D materials by leading research groups throughout the international scientific community and highlights their current and future potential in scientific research and device applications.

Dr. Christopher Gibson
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. Applied Sciences 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 2400 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 materials
  • characterization
  • nanotechnology
  • synthesis
  • electrical properties
  • thermal properties
  • mechanical properties
  • single layer
  • multi-layer

Published Papers (3 papers)

Order results
Result details
Select all
Export citation of selected articles as:

Research

14 pages, 4894 KiB  
Article
Tuning Bandgaps of Mixed Halide and Oxide Perovskites CsSnX3 (X=Cl, I), and SrBO3 (B=Rh, Ti)
by Hongzhe Wen and Xuan Luo
Appl. Sci. 2021, 11(15), 6862; https://doi.org/10.3390/app11156862 - 26 Jul 2021
Cited by 6 | Viewed by 1877
Abstract
Perovskites have recently attracted interest in the field of solar energy due to their excellent photovoltaic properties. We herein present a new approach to the composition of lead free perovskites via mixing of halide and oxide perovskites that share the cubic ABX3 [...] Read more.
Perovskites have recently attracted interest in the field of solar energy due to their excellent photovoltaic properties. We herein present a new approach to the composition of lead free perovskites via mixing of halide and oxide perovskites that share the cubic ABX3 structure. Using first-principles calculations through Density Functional Theory, we systematically investigated the atomic and electronic structures of mixed perovskite compounds composed of four cubic ABX3 perovskites. Our result shows that the B and X atoms play important roles in their band structure. On the other hand, their valence bands contributed by O-2p, Rh-4p, and Ti-3p orbitals, and their electronic properties were determined by Rh-O and Ti-O bonds. With new understandings of the electronic properties of cubic halide or oxide perovskites, we lastly combined the cubic perovskites in various configurations to improve stability and tune the bandgap to values desirable for photovoltaic cell applications. Our investigations suggest that the mixed perovskite compound Cs2Sn2Cl3I3Sr2TiRhO6 produced a bandgap of 1.2 eV, which falls into the ideal range of 1.0 to 1.7 eV, indicating high photo-conversion efficiency and showing promise towards solar energy applications. Full article
(This article belongs to the Special Issue Characterization, Synthesis and Applications of 1D and 2D Materials)
Show Figures

Figure 1

9 pages, 1808 KiB  
Article
Plasmonic Effect on the Magneto-Optical Property of Monolayer WS2 Studied by Polarized-Raman Spectroscopy
by Wuguo Liu, Zhongtao Lin, Shibing Tian, Yuan Huang, Huaqing Xue, Ke Zhu, Changzhi Gu, Yang Yang and Junjie Li
Appl. Sci. 2021, 11(4), 1599; https://doi.org/10.3390/app11041599 - 10 Feb 2021
Cited by 3 | Viewed by 2108
Abstract
In recent years, the magneto-optical properties of two-dimensional transition metal disulfides have attracted more and more attention due to their further device applications in spintronics and valleytronics. However, to our knowledge, the plasmonic effect on the magneto-optical properties of WS2 has not [...] Read more.
In recent years, the magneto-optical properties of two-dimensional transition metal disulfides have attracted more and more attention due to their further device applications in spintronics and valleytronics. However, to our knowledge, the plasmonic effect on the magneto-optical properties of WS2 has not been studied. In this work, monolayer WS2 transferred on SiO2/Si substrate and Au film were investigated respectively using polarized-Raman spectroscopy at 4 K under different magnetic fields. Prominent magnetic field–induced variations in the Raman intensities of WS2 samples were observed, which also exhibited significant differences in the spectral evolution versus magnetic field. The resonance magnetic field was 5 T and 5.5 T for the WS2 on SiO2/Si substrate and Au film, respectively. Remarkably, the magneto-optical Raman intensities of A1  and 2LA(M) modes for WS2 on Au film were reduced to approximately 60% compared with that of WS2 on SiO2/Si. These results suggest that the plasmonic effect–induced charge transfer plays an important role in the magneto-optical Raman effect of WS2. Full article
(This article belongs to the Special Issue Characterization, Synthesis and Applications of 1D and 2D Materials)
Show Figures

Figure 1

14 pages, 3697 KiB  
Article
Effect of Environmental Temperature on the Insulating Performance of Epoxy/MgO Nanocomposites
by Guanghui Ge, Yongzhe Tang, Yuxia Li and Liangsong Huang
Appl. Sci. 2020, 10(20), 7018; https://doi.org/10.3390/app10207018 - 9 Oct 2020
Cited by 15 | Viewed by 1918
Abstract
This article reports on the development of nano-MgO/epoxy resin composites with various mass ratios via a solution blending method. The influence of MgO nanofillers on the thermal properties and the effect of environmental temperature on the insulating properties of the composite material were [...] Read more.
This article reports on the development of nano-MgO/epoxy resin composites with various mass ratios via a solution blending method. The influence of MgO nanofillers on the thermal properties and the effect of environmental temperature on the insulating properties of the composite material were analyzed. The results show that the thermal conductivity of the composites increased with an increasing MgO nanofiller content. Compared with the pure epoxy resin, the thermal conductivity increased by 75% when the content of MgO nanoparticles was 7%. The volume resistivity first increased and then decreased with an increasing doping concentration. The volume resistivity increased by 26.8% in comparison with the pure epoxy resin when the content of MgO nanoparticles was 1%, while its dielectric constant and dielectric loss increased with temperature. In addition, the dielectric constant increased and the dielectric loss first decreased and then increased with an increasing MgO nanoparticle content. Moreover, the MgO composites changed from a glassy to a rubbery state, and the breakdown strength was significantly reduced with an increased temperature. When the temperature was higher than the glass transition temperature, the breakdown strength decreased by 51.3% compared with the maximum breakdown strength at 20 °C. As the content of MgO nanoparticles increased, the breakdown strength of the composite first increased and then decreased. The highest breakdown strength was achieved when the content of MgO nanoparticles was 1%, which was 11.1% higher than that of the pure epoxy resin. It was concluded that the MgO nanofillers can significantly improve the thermal properties of epoxy composites and their insulation performance at high temperatures. Full article
(This article belongs to the Special Issue Characterization, Synthesis and Applications of 1D and 2D Materials)
Show Figures

Figure 1

Back to TopTop