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Advances in Luminescent Materials: Design and Functionalizations

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (15 June 2023) | Viewed by 3426

Special Issue Editors


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Guest Editor
1. Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163-AC, A-1060 Wien, Austria
2. Institute of Applied Physics, Vienna University of Technology, Wiedner Hauptstraße 8-10, 1040 Vienna, Austria
Interests: transition metal chemistry; molecular magnesium; spin crossover; coordination chemistry related bioinorganic chemistry; redox-kinetics
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Guest Editor
General and Physical Chemistry Department, V.I. Vernadsky Crimean Federal University, Simferopol 295051, Russia
Interests: synthesis and structure of transition metal complexes; luminescent organic and coordination compounds; MOFs; molecular magnetism; biotechnology; nanomaterials

Special Issue Information

Dear Colleagues, 

Luminescent materials have attracted much attention in the past few decades owing to their potential applications in newly emerged technologies such as organic light-emitting diodes (OLED) and memory devices in the areas of information security, solar cells, chemical sensors, and bio-imaging. Luminescent compounds are used in biochemistry and medicine both for the treatment of some diseases and for early diagnosis. Despite the large number of publications on this subject, many questions concerning the relationship between the structure of compounds and their photo-(electro-, thermo-, and mechano-)luminescent properties remain unresolved. In addition, many known luminophores do not withstand the high performance requirements for the materials, as well as have a high cost, which limits their use. Thus, the targeted molecular and crystalline design of luminescent compounds (from single molecules to MOFs and nanoclusters) with given characteristics, the creation of new devices based on them, as well as the search for fundamental structure–property relationships of luminophores are in the frontier of scientific research of scientists from various fields. In this regard, we invite you to publish your recent progress in the field of luminescent compounds in this Special Issue of the International Journal of Molecular Sciences: “Advances in Luminescent Materials Design and Functionalization”.

Prof. Dr. Wolfgang Linert
Dr. Alexey Gusev
Guest Editors

Manuscript Submission Information

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Keywords

  • luminescence
  • photochromic materials
  • thermochromic materials
  • OLED
  • MOF sensors
  • biomarkers
  • lanthanide luminescence
  • 3d-metal’s complexes luminescence

Published Papers (2 papers)

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Research

17 pages, 4730 KiB  
Article
Synthesis, Structure, Spectral-Luminescent Properties, and Biological Activity of Chlorine-Substituted N-[2-(Phenyliminomethyl)phenyl]-4-methylbenzenesulfamide and Their Zinc(II) Complexes
by Anatolii S. Burlov, Valery G. Vlasenko, Maxim S. Milutka, Yurii V. Koshchienko, Nadezhda I. Makarova, Vladimir A. Lazarenko, Alexander L. Trigub, Alexandra A. Kolodina, Alexander A. Zubenko, Anatoly V. Metelitsa, Dmitrii A. Garnovskii, Alexey N. Gusev and Wolfgang Linert
Int. J. Mol. Sci. 2022, 23(23), 15259; https://doi.org/10.3390/ijms232315259 - 3 Dec 2022
Cited by 9 | Viewed by 1298
Abstract
New azomethine compounds of 2-(N-tosylamino)benzaldehyde or 5-chloro-2-(N-tosylamino)benzaldehyde and the corresponding chlorine-substituted anilines, zinc(II) complexes based on them have been synthesized. The structures of azomethines and their complexes were determined by elemental analysis, IR, 1H NMR, X-ray spectroscopy, and [...] Read more.
New azomethine compounds of 2-(N-tosylamino)benzaldehyde or 5-chloro-2-(N-tosylamino)benzaldehyde and the corresponding chlorine-substituted anilines, zinc(II) complexes based on them have been synthesized. The structures of azomethines and their complexes were determined by elemental analysis, IR, 1H NMR, X-ray spectroscopy, and X-ray diffraction. It is found that all ZnL2 complexes have a tetrahedral structure according to XAFS and X-ray diffraction data. The photoluminescent properties of azomethines and zinc complexes in methylene chloride solution and in solid form have been studied. It is shown that the photoluminescence quantum yields of solid samples of the complexes are an order of magnitude higher compared to the solutions and range from 11.34% to 48.3%. The thermal properties of Zn(II) complexes were determined by thermal gravimetric analysis (TGA) and differential scanning calorimetry. The TGA curves of all the compounds suggest their high thermal stability up to temperatures higher than 290 °C. The electrochemical properties of all complexes were investigated by the cyclic voltammetry method. The multilayered devices ITO/PEDOT:PSS/NPD/Zn complex/ TPBI/LiF/Al with wide electroluminescence (EL) color range spanning the range from bluish-green (494 nm) to green (533 nm) and the high values of brightness, current and power efficiency were fabricated. The biological activity of azomethines and zinc complexes has been studied. In the case of complexes, the protistocidal activity of the zinc complex with azomethine of 5-chloro-2-(N-tosylamino)benzaldehyde with 4-chloroaniline was two times higher than the activity of the reference drug toltrazuril. Full article
(This article belongs to the Special Issue Advances in Luminescent Materials: Design and Functionalizations)
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11 pages, 2364 KiB  
Article
Chiroptical Performances in Self-Assembled Hierarchical Nanosegregated Chiral Intermediate Phases Composed of Two Different Achiral Bent-Core Molecules
by Jae-Jin Lee, Sangsub Kim, Hiroya Nishikawa, Yoichi Takanishi, Hiroshi Iwayama, Changsoon Kim, Suk-Won Choi and Fumito Araoka
Int. J. Mol. Sci. 2022, 23(23), 14629; https://doi.org/10.3390/ijms232314629 - 23 Nov 2022
Cited by 3 | Viewed by 1558
Abstract
In this paper, chiral intermediate phases composed of two achiral molecules are fabricated by utilizing nanophase separation and molecular hierarchical self-organization. An achiral bent-core guest molecule, exhibiting a calamitic nematic and a dark conglomerate phase according to the temperature, is mixed with another [...] Read more.
In this paper, chiral intermediate phases composed of two achiral molecules are fabricated by utilizing nanophase separation and molecular hierarchical self-organization. An achiral bent-core guest molecule, exhibiting a calamitic nematic and a dark conglomerate phase according to the temperature, is mixed with another achiral bent-core host molecule possessing a helical nanofilament to separate the phases between them. Two nanosegregated phases are identified, and considerable chiroptical changes, such as circular dichroism and circularly polarized luminescence, are detected at the transition temperatures between the different nanophase-separated states. The nanosegregated chiral phase—wherein the helical nanofilament and dark conglomerate phases are phase-separated—exhibits the highest chiroptical intensities. The luminescence dissymmetry factor, |glum|, in this phase is amplified by an order of magnitude compared with that of another nanosegregated phase, wherein the helical nanofilament and nematic phases are phase-separated. Full article
(This article belongs to the Special Issue Advances in Luminescent Materials: Design and Functionalizations)
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