Quantum Dots Application in Coatings

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1232

Special Issue Editors


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Guest Editor
Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
Interests: quantum dot; perovskite solar cell; metal oxide; thin film; nanostructure

E-Mail Website
Guest Editor
Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
Interests: quantum dot; perovskite solar cell; metal oxide; thin film; nanostructure; 2D material

Special Issue Information

Dear Colleagues,

Recent theoretical and experimental developments in quantum dots (QDs) as 0D materials have tremendous potential applications. QD coating is key to opening a wide variety of new applications. QDs, often described as artificial atoms, exhibit exceptional optical and electrical properties which have distinct advantages over traditional bulk materials. This has led to the growing interest in QD applications in coating.

This Special Issue invites the submission of novel and high-quality research papers (experimental, theoretical, or simulation studies). The main topics include (but are not limited to):

  • New approaches for QDs or functionalized QDs preparation for coating process, both physical and chemical;
  • Theoretical approaches or simulations of new inorganic quantum dots;
  • The growth mechanism of inorganic quantum dots by theoretical approaches;
  • QDs surface coating for surface modification;
  • QDs coating for perovskite solar cell or emerging solar cell applications;
  • QDs coating for sensing applications including, but not limited to, gas sensors, photo detectors, magnetic sensors, thermal sensors, etc.;
  • QD coating for surface-enhanced Raman scattering (SERS) applications or Förster resonance energy transfer (FRET) applications.

Dr. Supab Choopun
Dr. Sukrit Sucharitakul
Guest Editors

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. 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 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

  • quantum dot
  • surface coatings
  • metal QD
  • metal oxide QD
  • graphene QD

Published Papers (1 paper)

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Research

12 pages, 692 KiB  
Article
Intense Laser Field Effect on the Photo-Ionization Cross-Section of the First Exciton Transition in a Core/Shell Quantum Dot Submitted to an Applied Electric Field
by Laura M. Pérez, Noreddine Aghoutane, David Laroze, Pablo Díaz, Mohamed El-Yadri and EL Mustapha Feddi
Coatings 2023, 13(6), 1098; https://doi.org/10.3390/coatings13061098 - 14 Jun 2023
Viewed by 921
Abstract
In the current work, we study the intense laser pulse influences on the behaviors of the first excitonic transition in a core/shell quantum dot submitted to an electric field. Therefore, the exciton binding energy and the mean distance between the correlated electron–hole pair [...] Read more.
In the current work, we study the intense laser pulse influences on the behaviors of the first excitonic transition in a core/shell quantum dot submitted to an electric field. Therefore, the exciton binding energy and the mean distance between the correlated electron–hole pair are discussed, considering the electric field and laser strength. Our calculations show that both external fields play significant repulsive effects. Through their effects, they oppose the attractive nature of the Coulomb potential between the correlated pair, which decreases the excitonic binding energy. We also analyze the dissociation process by determining the photo-ionization cross-section (PICS). Our findings show that the peaks of the PICS redshift when the shell thickness ba increases. For a given core radius, the laser and electric field induce a shift toward the low-energy region for the PICS; this displacement is more pronounced for the laser case. Our study also compares simple quantum dots and core/shell quantum dots to show the effect of the inner radius on the obtained results. Our theoretical results can lead to promising applications of exciton-based devices controlled by sizes and external fields. Full article
(This article belongs to the Special Issue Quantum Dots Application in Coatings)
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