Mechanical Properties and Applications of Graphene and Layered Nanocomposites

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanocomposite Materials".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 1859

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College of Science, Liaoning Petrochemical University, Fushun, China
Interests: physical properties and property regulation of C-based nanomaterials
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Special Issue Information

Dear Colleagues,

As a two-dimensional nanomaterial, graphene has been attracting attention for nearly 20 years due to its excellent physical properties. A perfect hexagonal honeycomb structure gives graphene excellent mechanical properties. Both theoretical and experimental studies show that the mechanical strength of graphene is 200 times that of steel, and thus is expected to be the main material for the production of cars and airplanes in the future. Graphene, which is easy to stretch and work with, is also used to make flexible materials. On the other hand, graphene-based layered materials (heterostructures similar to Lego bricks or disordered hybrid structures) or composite materials show significantly better physical properties than graphene. In recent years, graphene has been widely used in these hybrid structures to improve the mechanical properties and photoelectric properties of composite materials, as well as in sensors, skin simulation, catalysis, heat conduction and other fields.

In this Special Issue, we will focus on the top graphene-based mechanical properties and electrical, photoelectric and other related physical properties and their applications. We welcome research articles and review articles focused on graphene’s mechanical properties and applications as well as those of layered graphene’s nanocomposites. Papers on other related topics will also be considered.

Prof. Dr. Jingang Wang
Guest Editor

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Keywords

  • graphene nanocomposites
  • mechanical properties
  • mechanical applications
  • based on Graphene's layered composites
  • nanographene materials

Published Papers (1 paper)

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Research

10 pages, 1719 KiB  
Article
Capacitive NO2 Detection Using CVD Graphene-Based Device
by Wonbin Ju and Sungbae Lee
Nanomaterials 2023, 13(2), 243; https://doi.org/10.3390/nano13020243 - 5 Jan 2023
Cited by 2 | Viewed by 1532
Abstract
A graphene-based capacitive NO2 sensing device was developed by utilizing the quantum capacitance effect. We have used a graphene field-effect transistor (G-FET) device whose geometrical capacitance is enhanced by incorporating an aluminum back-gate electrode with a naturally oxidized aluminum surface as an [...] Read more.
A graphene-based capacitive NO2 sensing device was developed by utilizing the quantum capacitance effect. We have used a graphene field-effect transistor (G-FET) device whose geometrical capacitance is enhanced by incorporating an aluminum back-gate electrode with a naturally oxidized aluminum surface as an insulating layer. When the graphene, the top-side of the device, is exposed to NO2, the quantum capacitance of graphene and, thus, the measured capacitance of the device, changed in accordance with NO2 concentrations ranging from 1–100 parts per million (ppm). The operational principle of the proposed system is also explained with the changes in gate voltage-dependent capacitance of the G-FET exposed to various concentrations of NO2. Further analyses regarding carrier density changes and potential variances under various concentrations of NO2 are also presented to strengthen the argument. The results demonstrate the feasibility of capacitive NO2 sensing using graphene and the operational principle of capacitive NO2 sensing. Full article
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