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Special Issue "Graphene Nanocomposites"

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

Deadline for manuscript submissions: 31 March 2019

Special Issue Editors

Guest Editor
Prof. Mo Yang

Department of Biomedical Engineering, The Hong Kong Polytechnic University, HungHom, Kowloon, Hong Kong
Website | E-Mail
Interests: functional 2D nanomaterials; nano-biosensing; nano-bioimaging; nanoprobe based theranostics; nanomedicine
Guest Editor
Prof. TJONG Sie Chin

Department of Physics, City University of Hong Kong, Hong Kong
Website | E-Mail
Interests: corrosion, surface engineering, metal-matrix composites, polymeric nanocomposites
Co-Guest Editor
Dr. Xin Zhao

Department of Biomedical Engineering, the Hong Kong Polytechnic University, HungHom, Kowloon, Hong Kong, China
Website | E-Mail
Interests: biomaterials, tissue engineering, drug delivery, cell microenvironment, microfluidics

Special Issue Information

Dear Colleagues,

The combination of graphene with other nanomaterials prompted the development of flexible graphene nanocomposites with extraordinary mechanical, electrical, optical, and chemical properties. With proper material design and interfacial interaction, graphene nanocomposites combine the characteristics of various material components with structural stability and multifunctional properties. The past decade has seen the rapid development of this field in various applications, such as electrochemical, energy storage, catalysis, chemical/biomedical sensing, drug delivery, bioimaging, and tissue engineering.

This Special Issue aims to provide a comprehensive collection of the latest advances in the development of synthesis approaches, processing methods, interfacial property control, and current and emergy applications of graphene nanocomposites. This issue will cover graphene nanocomposite for a diverse range of applications, involving, but not limited to, electrochemistry, analytical chemistry, material science, electronics, renewable energy bioinstrumentation, biomedical technology, bionanotechnology and tissue engineering.

We would like to cordially invite you to submit an article related to graphene nanocomposite to this Special Issue. Short communications, full papers and reviews are all welcome.

Prof. Mo Yang
Dr. Xin Zhao
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 papers will be 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 monthly 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 1800 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

  • Graphene
  • Flexible nanocomposite
  • Energy storage
  • Electrodes
  • Electrochemistry
  • Drug delivery
  • Chemical sensing
  • Biosensing
  • Tissue Engineering
  • Bionanotechnology

Published Papers (3 papers)

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Research

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Open AccessArticle Novel High-Sensitivity Racetrack Surface Plasmon Resonance Sensor Modified by Graphene
Molecules 2018, 23(7), 1726; https://doi.org/10.3390/molecules23071726
Received: 18 June 2018 / Revised: 10 July 2018 / Accepted: 12 July 2018 / Published: 14 July 2018
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Abstract
In order to overcome the existing challenges presented by conventional sensors, including their large size, a complicated preparation process, and difficulties filling the sensing media, a novel high-sensitivity plasmonic resonator sensor which is composed of two graphene-modified straight waveguides, two metallic layers, and
[...] Read more.
In order to overcome the existing challenges presented by conventional sensors, including their large size, a complicated preparation process, and difficulties filling the sensing media, a novel high-sensitivity plasmonic resonator sensor which is composed of two graphene-modified straight waveguides, two metallic layers, and a racetrack nanodisk resonator is proposed in this study. The transmission characteristics, which were calculated by the finite element theory, were used to further analyze the sensing properties. The results of quantitative analysis show that the proposed plasmonic sensor generates two resonance peaks for the different incident wavelengths, and both resonance peaks can be tuned by temperature. In addition, after optimizing the structural parameters of the resonator, the Q value and the refractive sensitivity reached 21.5 and 1666.67 nmRIU−1, respectively. Compared with other studies, these values translate to a better performance. Furthermore, a temperature sensitivity of 2.33 nm/5 °C was achieved, which allows the sensor to be easily applied to practical detection. The results of this study can broaden the useful range for a nanometer-scale temperature sensor with ultrafast real-time detection and resistance to electromagnetic interference. Full article
(This article belongs to the Special Issue Graphene Nanocomposites)
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Open AccessArticle Wetting Properties of Defective Graphene Oxide: A Molecular Simulation Study
Molecules 2018, 23(6), 1439; https://doi.org/10.3390/molecules23061439
Received: 17 May 2018 / Revised: 8 June 2018 / Accepted: 12 June 2018 / Published: 13 June 2018
Cited by 1 | PDF Full-text (3005 KB) | HTML Full-text | XML Full-text
Abstract
In the present work, the wettability of defective graphene oxide (GO) film is studied by molecular dynamics simulations. A water droplet is deposited on the surface of a graphene oxide membrane, and the contact angle is measured by fitting the liquid–vapor interface. Although
[...] Read more.
In the present work, the wettability of defective graphene oxide (GO) film is studied by molecular dynamics simulations. A water droplet is deposited on the surface of a graphene oxide membrane, and the contact angle is measured by fitting the liquid–vapor interface. Although pristine graphene has few hydrophobic properties with a contact angle of 95°, graphene oxide presents more hydrophilic properties, due to the stronger hydrogen bonds interactions at the interface. Moreover, the introduction of vacancy defects at the graphene oxide surface decreases the wettability of graphene oxide. We find that the contact angle of graphene oxide increases from 70° to 82°, with a defective concentration from 0% to 10%. Our results will help provide a new method for controlling the wetting properties of GO and its additional capabilities in device design for applications. Full article
(This article belongs to the Special Issue Graphene Nanocomposites)
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Review

Jump to: Research

Open AccessReview Graphene and Graphene-Based Nanomaterials for DNA Detection: A Review
Molecules 2018, 23(8), 2050; https://doi.org/10.3390/molecules23082050
Received: 8 July 2018 / Revised: 4 August 2018 / Accepted: 5 August 2018 / Published: 16 August 2018
PDF Full-text (2796 KB) | HTML Full-text | XML Full-text
Abstract
DNA detection with high sensitivity and specificity has tremendous potential as molecular diagnostic agents. Graphene and graphene-based nanomaterials, such as graphene nanopore, graphene nanoribbon, graphene oxide, and reduced graphene oxide, graphene-nanoparticle composites, were demonstrated to have unique properties, which have attracted increasing interest
[...] Read more.
DNA detection with high sensitivity and specificity has tremendous potential as molecular diagnostic agents. Graphene and graphene-based nanomaterials, such as graphene nanopore, graphene nanoribbon, graphene oxide, and reduced graphene oxide, graphene-nanoparticle composites, were demonstrated to have unique properties, which have attracted increasing interest towards the application of DNA detection with improved performance. This article comprehensively reviews the most recent trends in DNA detection based on graphene and graphene-related nanomaterials. Based on the current understanding, this review attempts to identify the future directions in which the field is likely to thrive, and stimulate more significant research in this subject. Full article
(This article belongs to the Special Issue Graphene Nanocomposites)
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