Special Issue "Zinc Oxide Nanostructures: Synthesis and Characterization"
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: 30 November 2017
Assoc. Prof. Sotirios Baskoutas
Department of Materials Science, University of Patras, Patra, Greece
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Interests: theoretical and computational methods for the study of the electronic and optical properties of semiconducting nanomaterials; synthesis with physical methods; characterization of amorphous and nanocrystalline materials
Among various metal oxide materials, ZnO presents itself as a multifunctional material due to its own properties and functionalities. The properties of ZnO include its wide band gap (3.37 eV), high exciton binding energy (60 meV), biocompatibility, ease of fabrication and so on. Due to its excellent properties, ZnO is widely used for various potential applications such as catalysis, solar cells, ultraviolet (UV) lasers, light emitting diodes, photo-detectors, sensors (chemical, bio- and gas), optical and electrical devices and so on. Among various applications, the use of ZnO nanomaterials as a photocatalyst has particular interest due to their large surface area; wide band gap; ease of fabrication and cost effective synthesis; biocompatible and environmentally benign nature.
More specifically, the nanostructured ZnO semiconductor used as photocatalytic degradation material against environmental pollutants has also been extensively studied, because of its advantages of non-toxic nature, low cost and high reactivity. However, such a photocatalytic degradation only proceeds under UV irradiation because this semiconductor can only absorb UV light. Therefore, ZnO-based materials capable of visible-light photocatalysis are required.
Furthermore, the synthesis of large-scale arrayed 1D ZnO nanostructures, including nanowires, nanorods, nanobelts and whiskers, is an important step for the fabrication of functional nano/microdevices. Recently, because of its high-temperature strength and rigidity, as well as excellent chemical stability, small-diameter ZnO whiskers have received great attention for industrial applications as reinforcement phase in composite materials. ZnO whiskers with high aspect ratio have also been successfully used as a probing tip to develop new precise high-resolution imaging techniques for atomic force microscopy and scanning tunneling microscopy.
Finally, Magnetic ion-doped ZnO quantum dots (QDs) have been targeted as promising candidates for the implementation of novel technologies, such as in spintronic and quantum computation.
Assoc. Prof. Sotirios Baskoutas
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. Materials 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 1500 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.
- ZnO nanostructures
- electronic properties
- fine structure splitting
- quantum computation
- photon entanglement
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Artile Type: Review
Title: Molecular mechanisms of zinc oxide nanoparticle-induced genotoxicity
Authors: Stephan Hackenberg, Agmal Scherzad and Norbert Kleinsasser
Abstract: Zinc oxide nanoparticles (ZnO-NPs) are among the most frequently applied nanomaterials in consumer products. Evidence exists regarding the cytotoxic effects of ZnO-NPs in mammalian cells, however, knowledge about potential genotoxicity of ZnO-NPs is rare, and results presented in the current literature are inconsistent. The aim of this review is to summarize data about DNA damage induced by ZnO-NPs, and to focus on the possible molecular mechanisms underlying genotoxic events. Most publications describe in vitro assessment of oxidative DNA damage triggered by dissoluted Zn2+ ions, but there is a lack of long-term exposure experiments clarifying intracellular bioaccumulation of ZnO-NPs and the possible mechanisms of DNA repair and cell survival.
Article Type: Review
Title: Three Dimensional ZnO Hierarchical Nanostructures: Solution Phase Synthesis and Applications
Authors: Xiaoliang Wang 1, Mashkoor Ahmad 2 and Hongyu Sun 3
Affiliation: 1 College of Science, Hebei University of Science and Technology, Shijiazhuang 050018, PR China
2 Nanomaterials Research Group, Physics Division, Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad 44000, Pakistan
3 Department of Micro- and Nanotechnology, Technical University of Denmark, Kongens Lyngby 2800, Denmark
Abstract: Zinc oxide (ZnO) nanostructures have been studied extensively in the past years due to the novel electronic, photonic, mechanical and electrochemical properties. Recently, more attention has been paid to assemble nanoscale building blocks into three dimensional (3D) complex hierarchical structures, which not only inherit the excellent properties of the single building blocks but also provide potential applications in the bottom-up fabrication of functional devices. This mini review article focuses on 3D ZnO hierarchical nanostructures, and summarizes major advances in the solution phase synthesis, characterization, applications in environment, and electrical/electrochemical devices. We present the principles and growth mechanisms of ZnO nanostructures via different solution methods, with an emphasis on rational control of the morphology, assembly as well as chemical composition. We next discuss the applications of 3D ZnO hierarchical nanostructures in photocatalytic degradation of organic pollutants in water, field electron emission, electrochemical sensor, and lithium ion batteries. Throughout the discussion, the relationship between the device performance and the microstructures of 3D ZnO hierarchical nanostructures will be highlighted. This review concludes with a personal perspective on the current challenges and future researches.
Keywords: zinc oxide; hierarchical nanostructures; solution phase synthesis; photocatalytic degradation; field emission; sensor; lithium ion battery
Title: Scale-up of the electrodeposition of ZnO/eosin Y hybrid thin films for the fabrication of flexible dye-sensitized solar cell modules
Authors: Florian Bittner, Jan Ellinger, Jiri Rathousky, Torsten Oekermann, and Michael Wark