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Photoresponsive Nanomaterials for Advanced Application
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Photoresponsive Nanomaterials for Advanced Application

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

Deadline for manuscript submissions: closed (28 February 2022) | Viewed by 8933

Special Issue Editor

Prof. Dr. Katarzyna Matras-Postołek

E-Mail Website
Guest Editor
Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24 St. 31-155 Krakow, Poland
Interests: nanomaterials; nanoparticles; synthesis of nanomaterials; hybrid nanomaterials; nanocomposites; surface engineering; solar cells; photodetectors; photocatalysis; sensors; displays
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of Materials covers the state-of-the-art in the synthesis and application of photolight-sensitive nanomaterials for advanced applications such as solar cells, photodetectors, photocatalysts, sensors, and displays.

The rapid development of photoresponsive nanomaterials makes it possible to design better and unique devices with outstanding properties, which emit, modulate, transmit or detect light. In this area of research, there are high hopes for the intensive development of nanomaterials. This topic covers, among others, the design and manufacture of the materials which, due to the size of the particles, are often characterized with properties unachievable by macromaterials. The articles to be presented in this Special Issue will deal with the following issues: the aspects of the synthesis and characterization of high-quality nanomaterials with controlled morphology (0D, 1D, 2D), surface functionalization, production of devices based on nanomaterials, generation of carriers, and the relation between the properties of the nanomaterials and the performance of the devices.

It is my great pleasure to invite you to submit review articles, original papers, and communications for this Special Issue titled “Photoresponsive Nanomaterials for Advanced Applications”.

Prof. Dr. hab. Katarzyna Matras-Postołek
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

  • nanomaterials
  • nanoparticels
  • hybrid nanomaterials
  • nanocomposites
  • synthesis and processing of nanomaterials
  • surface engineering
  • theoretical studies (modeling and simulation), applications e.g.
  • solar cells
  • photodetectors
  • photocatalysis
  • LEDs
  • sensors including bio-sensors, displays, biolabeling

Published Papers (3 papers)

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Research

20 pages, 5376 KiB  
Article
Photodegradation Process of Organic Dyes in the Presence of a Manganese-Doped Zinc Sulfide Nanowire Photocatalyst
by Adam Żaba, Svitlana Sovinska, Tetiana Kirish, Adam Węgrzynowicz and Katarzyna Matras-Postołek
Materials 2021, 14(19), 5840; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14195840 - 06 Oct 2021
Cited by 3 | Viewed by 2225
Abstract
Zinc sulfide (ZnS) nanowires represent a promising candidate in many fields, including optoelectronics and photocatalysis because of their advantages such as excellent optical properties, chemical stability and an easy-scalable simple synthesis method. In this study, an energy-friendly microwave radiation process was used to [...] Read more.
Zinc sulfide (ZnS) nanowires represent a promising candidate in many fields, including optoelectronics and photocatalysis because of their advantages such as excellent optical properties, chemical stability and an easy-scalable simple synthesis method. In this study, an energy-friendly microwave radiation process was used to develop the single-step, solvothermal process for the growth of manganese-doped zinc sulfide (ZnS) and undoped nanocrystals (NCs) in the forms of nanowires using two short amines as a stabilizer, e.g. ethylenediamine and hydrazine, respectively. ZnS nanowires doped with Mn atoms show absorbance in UV and in the visible region of the spectrum. The photocatalytic degradation of rhodamine B in the presence of Mn-doped and undoped ZnS nanocrystals illuminated with only a 6-W UV lamp has been comprehensively studied. The effect of Mn doping and the presence of a nanocrystal stabilizer on the degradation process was determined. It was found that the efficiency of a photocatalytic degradation process was strongly affected by both factors: the doping process of nanowires with Mn2+ atoms and the attachment of ligands to the nanocrystal surface. Full article
(This article belongs to the Special Issue Photoresponsive Nanomaterials for Advanced Application)
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18 pages, 46739 KiB  
Article
Tuning the Optical Band Gap of Semiconductor Nanocomposites—A Case Study with ZnS/Carbon
by Dominik Voigt, Larry Sarpong and Michael Bredol
Materials 2020, 13(18), 4162; https://0-doi-org.brum.beds.ac.uk/10.3390/ma13184162 - 18 Sep 2020
Cited by 12 | Viewed by 4157
Abstract
The linear photochemical response of materials depends on two critical parameters: the size of the optical band gap determines the onset of optical excitation, whereas the absolute energetic positions of the band edges define the reductive or oxidative character of photo-generated electrons and [...] Read more.
The linear photochemical response of materials depends on two critical parameters: the size of the optical band gap determines the onset of optical excitation, whereas the absolute energetic positions of the band edges define the reductive or oxidative character of photo-generated electrons and holes. Tuning these characteristics is necessary for many potential applications and can be achieved through changes in the bulk composition or particle size, adjustment of the surface chemistry or the application of electrostatic fields. In this contribution the influence of surface chemistry and fields is investigated systematically with the help of standard DFT calculations for a typical case, namely composites prepared from ZnS quantum dots and functionalized carbon nanotubes. After comparing results with existing qualitative and quantitative experimental data, it is shown conclusively, that the details of the surface chemistry (especially defects) in combination with electrostatic fields have the largest influence. In conclusion, the development of novel or improved photoresponsive materials therefore will have to integrate a careful analysis of the interplay between surface chemistry, surface charges and interaction with the material environment or substrate. Full article
(This article belongs to the Special Issue Photoresponsive Nanomaterials for Advanced Application)
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10 pages, 1650 KiB  
Article
Nanoporous Anodic Aluminum-Iron Oxide with a Tunable Band Gap Formed on the FeAl3 Intermetallic Phase
by Paulina Chilimoniuk, Robert P. Socha and Tomasz Czujko
Materials 2020, 13(16), 3471; https://0-doi-org.brum.beds.ac.uk/10.3390/ma13163471 - 06 Aug 2020
Cited by 3 | Viewed by 1875
Abstract
Nanostructured anodic oxide layers on an FeAl3 intermetallic alloy was prepared by two-step anodization in 20 wt.% H2SO4 at 0 °C. The obtained anodic oxide coating was subjected to phase and chemical composition analysis using XPS and XRD techniques. [...] Read more.
Nanostructured anodic oxide layers on an FeAl3 intermetallic alloy was prepared by two-step anodization in 20 wt.% H2SO4 at 0 °C. The obtained anodic oxide coating was subjected to phase and chemical composition analysis using XPS and XRD techniques. An analysis of the band gap of individual coatings was also performed. The applied parameters of the anodization process were determined, enabling the formation of a nanostructured coating on the FeAl3 intermetallic alloy. Tests were carried out on samples produced at a voltage between 10 V and 22.5 V in 2.5 V steps. The produced coatings were subjected to an annealing process at 900 °C for 2 h in an argon protective atmosphere. Moreover, the influence of the substrate chemical composition on the chemical and phase composition of the anodic oxide are discussed. Band gaps of 2.37 eV at 22.5 V and 2.64 eV at 10 V were obtained directly after the anodizing process. After applying the heat treatment, band gap values of 2.10 eV at 22.5 Vand 2.48 eV for the coating produced at 10 V were obtained. Full article
(This article belongs to the Special Issue Photoresponsive Nanomaterials for Advanced Application)
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