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Chemical and Structural Engineering of Nanomaterials
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Chemical and Structural Engineering of Nanomaterials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 3866

Special Issue Editor

Prof. Dr. Hyunseob Lim

E-Mail Website
Guest Editor
Department of Chemistry, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
Interests: surface science; surface analysis; 2D nanomaterial; graphene

Special Issue Information

Dear Colleagues,

The physical and chemical properties of two-dimensional (2D) nanomaterials can be controlled either by controlling the surface structure of the 2D nanomaterial or by surface modification. This Special Issue will focus on the recent developments of innovative approaches to control the properties of 2D nanomaterials such as graphene, hexagonal boron nitride, transition dichalcogenides (TMDs), etc., for furthering the basic understanding of 2D nanomaterials as well as for practical applications. We welcome the submission of communications, original research papers, and reviews on the following, or related, topics.

  • synthesis of 2D nanomaterials with unique geometric morphology
  • control of optical and electrical properties by structural engineering
  • chemical modification (covalent modification and chemical doping) on the surface of 2D nanomaterials
  • theoretical studies on the 2D materials for controlling physical properties

Prof. Dr. Hyunseob Lim
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. Materials 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 2600 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 nanomaterial
  • surface chemistry
  • graphene
  • hexagonal boron nitride
  • transition metal dichalcogenide

Published Papers (2 papers)

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Research

19 pages, 1580 KiB  
Article
Graphitic Carbon Nitride as a Sustainable Photocatalyst Material for Pollutants Removal. State-of-the Art, Preliminary Tests and Application Perspectives
by Daniele Cecconet, Michela Sturini, Lorenzo Malavasi and Andrea G. Capodaglio
Materials 2021, 14(23), 7368; https://doi.org/10.3390/ma14237368 - 01 Dec 2021
Cited by 9 | Viewed by 1859
Abstract
Photocatalysis is an attractive strategy for emerging pollutants remediation. Research towards the development of new, efficient and effective catalytic materials with high activity under wide irradiation spectra is a highly active sector in material science. Various semiconductor materials have been employed as photocatalysts, [...] Read more.
Photocatalysis is an attractive strategy for emerging pollutants remediation. Research towards the development of new, efficient and effective catalytic materials with high activity under wide irradiation spectra is a highly active sector in material science. Various semiconductor materials have been employed as photocatalysts, including TiO2, SrTiO3, CdS, BiVO4, Ta3N5, TaON, Ag3PO4, and g-C3N4. The latter is a metal-free, low cost polymer, providing high adsorption and catalytic properties, shown to be promising for photocatalysis applications under visible light. Furthermore, g-C3N4 composites are among the most promising advanced photocatalytical materials that can be produced by green synthesis processes. In this paper, the state-of-the-art of g-C3N4 applications is reviewed, and application perspectives are discussed. Photocatalysis tests with g-C3N4 under Xenon irradiation were performed to gather first-hand information to improve photoreactor design. Xenon light spectrum appears to be a suitable radiation source to replace direct sunlight in engineered pollutants removal processes catalyzed by g-C3N4, in lieu of other currently used heterogeneous photocatalysis processes (e.g., TiO2-UV). LED sources are also very promising due to higher energy efficiency and customizable, catalyzer-specific irradiation spectra. Full article
(This article belongs to the Special Issue Chemical and Structural Engineering of Nanomaterials)
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29 pages, 15887 KiB  
Article
Methane and Carbon Dioxide Hydrate Formation and Dissociation in Presence of a Pure Quartz Porous Framework Impregnated with CuSn12 Metallic Powder: An Experimental Report
by Alberto Maria Gambelli, Giulia Stornelli, Andrea Di Schino and Federico Rossi
Materials 2021, 14(17), 5115; https://doi.org/10.3390/ma14175115 - 06 Sep 2021
Cited by 9 | Viewed by 1610
Abstract
Hydrate formation and dissociation processes were carried out in the presence of a pure quartz porous medium impregnated with a metallic powder made with a CuSn12 alloy. Experiments were firstly made in the absence of that powder; then, different concentrations were added to [...] Read more.
Hydrate formation and dissociation processes were carried out in the presence of a pure quartz porous medium impregnated with a metallic powder made with a CuSn12 alloy. Experiments were firstly made in the absence of that powder; then, different concentrations were added to the porous medium: 4.23 wt.%, 18.01 wt.%, and 30.66 wt.%. Then, the hydrate dissociation values were compared with those present in the literature. The porous medium was found to act as an inhibitor in the presence of carbon dioxide, while it did not alter methane hydrate, whose formation proceeded similarly to the ideal trend. The addition of CuSn12 promoted the process significantly. In particular, in concentrations of up to 18.01 wt.%, CO2 hydrate formed at milder conditions until it moved below the ideal equilibrium curve. For methane, the addition of 30.66 wt.% of powder significantly reduced the pressure required to form hydrate, but in every case, dissociation values remained below the ideal equilibrium curve. Full article
(This article belongs to the Special Issue Chemical and Structural Engineering of Nanomaterials)
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