Advanced Research of Luminescent Dyes: From Synthesis to Optoelectronic Applications

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Materials for Energy Applications".

Deadline for manuscript submissions: closed (11 January 2024) | Viewed by 1716

Special Issue Editor


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Guest Editor
Department of Physics, Cracow University of Technology, 31-084 Kraków, Poland
Interests: organic synthesis; materials to optoelectronics; luminescent materials; sol–gel method; nanomaterials; thin films
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Special Issue Information

Dear Colleagues,

This Special Issue of Crystals covers the latest reports on luminescent dyes, as well as their synthesis methods, properties, and applications in optoelectronics.

Luminescence is an extremely interesting phenomenon. Luminescent materials have been the subject of research for many years in research centers around the world. We are looking for new systems with appropriate luminescent properties and high stability. The subject of research alludes to structures and new methods of their synthesis. Luminescent materials play an important role in optoelectronic devices, for example in photovoltaic cells, electroluminescent cells, sensor structures, and lasers.

It is with great pleasure that I invite scientists to contribute to the Special Issue of "Advance research of luminescent dye: from synthesis to optoelectronic application".

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  1. The synthesis of luminescent materials;
  2. The investigation of the properties of luminescent dyes;
  3. The applications of luminescent dyes in optoelectronics.

Dr. Katarzyna Wojtasik
Guest Editor

Manuscript Submission Information

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Keywords

  • luminescent materials
  • luminescent devices
  • optoelectronics application
  • synthesis of luminescent dyes
  • optical properties
  • luminescence properties
  • inorganic and organic luminescent dyes
  • sensors
  • photovoltaic cells
  • (organic) light-emitting diode

Published Papers (1 paper)

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Research

13 pages, 5119 KiB  
Article
Optimization of Bulk Heterojunction Photovoltaic Structures with Heterocyclic Derivatives
by Katarzyna Wojtasik, Monika Pokladko-Kowar and Ewa Gondek
Crystals 2023, 13(5), 734; https://doi.org/10.3390/cryst13050734 - 27 Apr 2023
Viewed by 927
Abstract
Photovoltaic structures of the bulk heterojunction type were fabricated, in which derivatives of N,N-diethylamine-3-Methyl-1-Phenyl-1H-pyrazolo[3,4-b]quinoxalines were used as the active layer. The compounds differed in the position of the electron-donating substituent in the carbocyclic ring. Four isomers [...] Read more.
Photovoltaic structures of the bulk heterojunction type were fabricated, in which derivatives of N,N-diethylamine-3-Methyl-1-Phenyl-1H-pyrazolo[3,4-b]quinoxalines were used as the active layer. The compounds differed in the position of the electron-donating substituent in the carbocyclic ring. Four isomers were subjected to UV-Vis spectrophotometric measurements in solvents of different polarities. The absorption characteristics were experimentally determined for the tested derivatives. The values of HOMO-LUMO levels were determined by means of quantum chemical calculations using the HyperChem software. The current–voltage and dispersion characteristics of the produced OPV were determined. The spectral characteristics of the refractive indices and extinction coefficients of the active layers were determined using the spectroscopic ellipsometry method. These results were used in the analysis and optimization of photovoltaic structures. It was shown that the location of the N,N-diethylamine substituent affects the photophysical properties of the structure and the photovoltaic properties. The optimization of the OPV_2 photovoltaic structure using the coherent model and the 2 × 2 matrix method can be successfully used in modeling optical multilayer structures, including photovoltaic structures. Full article
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