Special Issue "Metallic Oxide Nanostructures"

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: 30 April 2021.

Special Issue Editor

Dr. Mikhael Bechelany
Website
Guest Editor
Institut Européen des Membranes (IEMM, ENSCM UM CNRS UMR5635), Montpellier, France
Interests: thin films; 2D materials; atomic layer deposition; nanostructure; nanocomposites; membrane; electrospinning; 3D printing; photocatalysis; biosensor; sensor; water splitting
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Special Issue Information

Dear Colleagues,                

Metal oxide nanomaterials have attracted a lot of interest due to their outstanding chemical, physical, and electronic properties compared with those of their bulk counterparts. Metal oxide nanomaterials are versatile materials that can be tuned for potential applications into functional devices in different areas.

The aim of this Special Issue is to collect high-quality contributions on the synthesis and modification of Metallic Oxide Nanostructures. It will deal with the design of new nanostructures by tuning their morphology, geometry, crystallinity, and interfaces. The relation between these parameters and the physical-chemical properties will also be investigated. New applications in different fields such as health, environment, and renewable energy will be as well explored.

Relevant contributions related to prospective materials design, original materials properties, and innovative characterization techniques will also be considered.

Dr. Mikhael Bechelany
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. Nanomaterials 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 2200 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

  • Metal oxide
  • Nanomaterial
  • 1D nanostructures
  • Thin film
  • Interface
  • Surface modification
  • Nanostructured material
  • Energy
  • Health
  • Environment

Published Papers (2 papers)

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Research

Open AccessArticle
An Easy Method of Synthesis CoxOy@C Composite with Enhanced Microwave Absorption Performance
Nanomaterials 2020, 10(5), 902; https://doi.org/10.3390/nano10050902 - 08 May 2020
Cited by 1
Abstract
Design of interface-controllable magnetic composite towards the wideband microwave absorber is greatly significance, however, it still remains challenging. Herein, we designed a spherical-like hybrids, using the Co3O4 and amorphous carbon as the core and shell, respectively. Then, the existed Co [...] Read more.
Design of interface-controllable magnetic composite towards the wideband microwave absorber is greatly significance, however, it still remains challenging. Herein, we designed a spherical-like hybrids, using the Co3O4 and amorphous carbon as the core and shell, respectively. Then, the existed Co3O4 core could be totally reduced by the carbon shell, thus in CoxOy core (composed by Co and Co3O4). Of particular note, the ratios of Co and Co3O4 can be linearly tuned, suggesting the controlled interfaces, which greatly influences the interface loss behavior and electromagnetic absorption performance. The results revealed that the minimum reflection loss value (RLmin) of −39.4 dB could be achieved for the optimal CoxOy@C sample under a thin thickness of 1.4 mm. More importantly, the frequency region with RL < −10 dB was estimated to be 4.3 GHz, ranging from 13.7 to 18.0 GHz. The superior wideband microwave absorption performance was primarily attributed to the multiple interfacial polarization and matched impedance matching ability. Full article
(This article belongs to the Special Issue Metallic Oxide Nanostructures)
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Open AccessArticle
Carrier Transfer and Capture Kinetics of the TiO2/Ag2V4O11 Photocatalyst
Nanomaterials 2020, 10(5), 828; https://doi.org/10.3390/nano10050828 - 27 Apr 2020
Cited by 1
Abstract
In this paper, TiO2/Ag2V4O11 nanoheterojunctions have been synthesized by hydrothermal methods, which show enhanced photocatalytic activity compared to TiO2 under visible light. Moreover, the TiO2/Ag2V4O11 nanoheterojunction with set [...] Read more.
In this paper, TiO2/Ag2V4O11 nanoheterojunctions have been synthesized by hydrothermal methods, which show enhanced photocatalytic activity compared to TiO2 under visible light. Moreover, the TiO2/Ag2V4O11 nanoheterojunction with set molar ratio of 2:1, referred to as TA2, show the highest visible light photocatalytic activity, which could decompose about 100% RhB molecules within 80 min of irradiation with visible light. Specially, the time-resolved photoluminescence spectrum of TA2 demonstrates that the free exciton recombination occurs in approximately 1.7 ns, and the time scale for Shockley–Read–Hall recombination of photogenerated electrons and holes is prolonged to 6.84 ns. The prolonged timescale of TA2 compared to TiO2 and Ag2V4O11 can be attributed to the carrier separation between nanojunctions and the carrier capture by interfacial defects. Furthermore, the enhanced photocatalytic activity of TiO2/Ag2V4O11 nanoheterojunctions also benefits from the synergistic effect of the broadened absorption region, higher photocarrier generation, longer carrier lifetime, and quicker collection dynamics. Full article
(This article belongs to the Special Issue Metallic Oxide Nanostructures)
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