Special Issue "Mesoporous Metal Oxide Films"

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: 16 November 2018

Special Issue Editor

Guest Editor
Dr. Emmanuel Topoglidis

Department of Materials Science, University of Patras, Rion 26404, Greece
Website | E-Mail
Phone: +30 2610 969928
Interests: analytical chemistry; metal oxide films; coatings; colloids; nanoparticles; nanocomposites; perovskites; protein immobilization; bioelectrochemistry; electrochemical sensors and biosensors; cyclic voltammetry and chronoamperometry; optical biosensors; transient spectroscopy; potein/electrode interactions

Special Issue Information

Dear Colleagues,

I would like to invite you to submit your work to this Special Issue on "Mesoporous Metal Oxide Films”. Mesoporous metal oxide films exhibit excellent physicochemical properties, such as large band gap, large surface area, controlable pore size and morphology, good thermal and chemical stabilities, unique optical and electrical properties, non-toxicity and low costs. Various techniques have been developed for the preparation of such films, including sol-gel screen printing, dip coating, spin coating, sputtering spray pyrolysis, atomic layer deposition, electrodeposition and anodic oxidation. A great deal of effort has been made to simplify these methods in order to prepare films faster and in a more reproducible way. Over the last 20 years, the films have been used for many applications ranging from dye-sensitized solar cells, adsorption and separation, chemical and biochemical sensors, gas sensors, drug delivery, electrochromic windows, photo and/or electrocatalysis and energy storage devices such as rechargeable batteries and electrochemical supercapacitors. More recently these materilas have beed used as the scaffold for the development of perovskite solar cells.  This Special Issue  of Coatings focuses on all these areas of application. Our aim is to present the most important developments in this fast-moving field, from the leading groups around the world.

Topics of interest include, but are not limited to:

  • Novel approaches of mesoporous metal oxide films related to fabrication and characterization methods;
  • Understand the optical and electronic properties of the films;
  • Their use for energy conersion and storage, for solar cells, as electrode material for lithium ion baterries and for electrochemical supercapacitors;
  • Gas sensing, studying their excellent sensing capabilities;
  • Their use as substrates for the immobilization of molecules or biomolecules for the development of electrochemical or optical sensors and biosensors;
  • Their use for adsorption and separation, as stationary phase in liquid chromatography or adsorbents for heavy metals, anions, organic pollutants and gases;
  • Their use as catalysts or catalyst supports, for studying redox reactions, for phtocatalytic applications etc.;
  • Their doping with nanoparticles, perovskites or other materials for multicolor photochromism, the development of more efficient solar cells or other applications.

Dr. Topoglidis Manos
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. Coatings 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 1200 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.

Published Papers (1 paper)

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Open AccessFeature PaperArticle Hemin-Modified SnO2/Metglas Electrodes for the Simultaneous Electrochemical and Magnetoelastic Sensing of H2O2
Coatings 2018, 8(8), 284; https://doi.org/10.3390/coatings8080284
Received: 2 July 2018 / Revised: 2 August 2018 / Accepted: 11 August 2018 / Published: 16 August 2018
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In this work, we present a simple and efficient method for the preparation of hemin-modified SnO2 films on Metglas ribbon substrates for the development of a sensitive magneto-electrochemical sensor for the determination of H2O2. The SnO2 films
[...] Read more.
In this work, we present a simple and efficient method for the preparation of hemin-modified SnO2 films on Metglas ribbon substrates for the development of a sensitive magneto-electrochemical sensor for the determination of H2O2. The SnO2 films were prepared at low temperatures, using a simple hydrothermal method, compatible with the Metglas surface. The SnO2 film layer was fully characterized by X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), photoluminescence (PL) and Fourier Transform-Infrared spectroscopy (FT-IR). The properties of the films enable a high hemin loading to be achieved in a stable and functional way. The Hemin/SnO2-Metglas system was simultaneously used as a working electrode (WE) for cyclic voltammetry (CV) measurements and as a magnetoelastic sensor excited by external coils, which drive it to resonance and interrogate it. The CV scans reveal direct reduction and oxidation of the immobilized hemin, as well as good electrocatalytic response for the reduction of H2O2. In addition, the magnetoelastic resonance (MR) technique allows the detection of any mass change during the electroreduction of H2O2 by the immobilized hemin on the Metglas surface. The experimental results revealed a mass increase on the sensor during the redox reaction, which was calculated to be 767 ng/μM. This behavior was not detected during the control experiment, where only the NaH2PO4 solution was present. The following results also showed a sensitive electrochemical sensor response linearly proportional to the concentration of H2O2 in the range 1 × 10−6–72 × 10−6 M, with a correlation coefficient of 0.987 and detection limit of 1.6 × 10−7 M. Moreover, the Hemin/SnO2-Metglas displayed a rapid response (30 s) to H2O2 and exhibits good stability, reproducibility and selectivity. Full article
(This article belongs to the Special Issue Mesoporous Metal Oxide Films)

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