Special Issue "Transparent Conducting Oxides Thin Films for Optical Engineering"

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Thin Films".

Deadline for manuscript submissions: 31 December 2021.

Special Issue Editor

Dr. Rodica Plugaru
E-Mail Website
Guest Editor
National Institute for Research and Development in Microtechnologies-IMT Bucharest, Erou Iancu Nicolae 126A, R-077190 Voluntari-Ilfov, Romania
Interests: semiconductor oxides thin films; heterostructures and nanostructures; dilute magnetic semiconductors; defects and dopants; transport phenomena; dielectric and optical properties; optical transitions; opto-electronic devices and sensors

Special Issue Information

Dear Colleagues,

This Special Issue will highlight progress in the growth of transparent conducting oxides (TCOs) thin films and multilayers, as well as the understanding of the interplay between their structural, transport, and optical properties at a fundamental level. These materials have become ubiquitous in key modern technologies such as optoelectronics, photovoltaic cells, smart windows, light-emitting devices, photonics, all with a strong impact on the development of society. To better adapt the material properties to application requirements, several issues must still be addressed, such as efficient and controllable n/p-type doping, potential p-type TCOs with intrinsic higher holes mobility and functional broadband transparency. Highly performant TCO thin films need advances in processing and device integration. New synthesis methods should be developed to ensure real-time control of the concentration and distribution of defects and dopants.

More insight into the optical absorption/emission processes is essential for future device applications. TCOs are promising plasmonic materials in the NIR operating wavelength. In the epsilon-near-zero (ENZ) regime, strong nonlinear effects and near-zero-index phenomena occur, while beyond the ENZ regime, TCOs have proven to be suitable optical metasurface materials. Emergent phenomena related to the tuning and modulation of the refractive index by external excitations have also opened exciting possibilities for new device concepts with coupled electrical and optical modes. Last, but not least, advances in cost-efficient TCOs growth methods, device fabrication, and integration technologies may significantly contribute to the development of integrated photonic devices and ultrahigh-speed information processing chips.

The topics of interest for this Special Issue include, but are not limited to, the following research domains:

  • New TCO materials, thin films, and multilayers.
  • Non-stoichiometric TCOs.
  • Surface and interface engineering.
  • Conduction mechanisms.
  • Optical absorption/emission processes.
  • Insulator–metal transitions and correlated metallic state.
  • Electron correlations in highly doped TCOs, plasmonic effects.
  • p-type TCOs, such as delafossite oxides and oxychalcogenides.
  • TCOs for low-loss metamaterials.
  • High figure of merit p-type TCOs.
  • Materials design by computational methods and machine learning.

Dr. Rodica Plugaru
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 1800 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.


  • TCO thin films and multilayers
  • doped oxides, delafossite oxides, oxychalcogenides
  • optical properties engineering
  • TCOs metamaterials
  • computational and machine learning

Published Papers

This special issue is now open for submission.
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