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Inorganics
Special Issues
Platinum Group Metal Complexes as Luminescent Materials
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Platinum Group Metal Complexes as Luminescent Materials

A special issue of Inorganics (ISSN 2304-6740).

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 1740

Special Issue Editors

Dr. Svetlana A. Katkova

E-Mail Website
Guest Editor
Institute of Chemistry, St. Petersburg University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russia
Interests: complexes of the platinum group, luminescence, acyclic diaminocarbene ligands; isocyanide ligands
Dr. Julia R. Shakirova

E-Mail Website
Guest Editor
Institute of Chemistry, St. Petersburg University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russia
Interests: luminescent transition metal complexes, cyclometallating ligands, bioimaging, phosphorescent sensors, luminescent nanoparticles; phosphorescent lifetime imaging microscopy

Special Issue Information

Dear Colleagues,

Recently, luminescent complexes of platinum group metals have attracted much attention because of their intriguing spectroscopic and luminescent properties. Whereas organic light emitters are predominantly fluorescent, in such compounds, the presence of strong spin–orbit coupling due to the effect of a heavy atom—a metal center—contributes to the formally forbidden transition from the singlet to the triplet state, enabling phosphorescent relaxation, which leads to the longer lifetime of the excitation state in microsecond domains and higher photoluminescence quantum yields. In particular, the luminescent materials based on platinum group metal complexes have a broad range of applications in the fields of light-emitting devices, luminescent chemosensors, bioimaging agents, and photocatalysis.

In this Special Issue, we will cover the most recent advances in luminescent materials based on platinum group metal complexes by including a mix of original research articles and critical reviews.

Dr. Svetlana A. Katkova
Dr. Julia R. Shakirova
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. Inorganics 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 2700 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

  • luminescent complexes
  • luminescent materials
  • platinum group complexes
  • phosphorescence
  • aggregation-induced emission

Published Papers (1 paper)

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Research

15 pages, 4397 KiB  
Article
Solid State Phosphorescence Enhancement of PtII-Based Emitters via Combination of π-Hole(Isocyano Group)⋅⋅⋅ dz2[PtII] and I···Cl Halogen-Bonding Interactions
by Svetlana A. Katkova, Elina V. Antonova, Anna M. Cheranyova, Daniil M. Ivanov and Mikhail A. Kinzhalov
Inorganics 2023, 11(10), 403; https://doi.org/10.3390/inorganics11100403 - 13 Oct 2023
Cited by 3 | Viewed by 1290
Abstract
The PtII isocyanide complex [Pt(ppy)Cl(CNC6H4-C≡C-Ph)] (1, Hppy=2-phenylpyridine) was co-crystallized with 1,4-diiodotetrafluorobenzene (1,4-DITFB), yielding 1·½(1,4-DITFB) adduct. The I···Cl halogen-bonding and π-π-stacking interactions combined with the rare π-hole(isocyano group)⋅⋅⋅dz2[PtII] interactions were [...] Read more.
The PtII isocyanide complex [Pt(ppy)Cl(CNC6H4-C≡C-Ph)] (1, Hppy=2-phenylpyridine) was co-crystallized with 1,4-diiodotetrafluorobenzene (1,4-DITFB), yielding 1·½(1,4-DITFB) adduct. The I···Cl halogen-bonding and π-π-stacking interactions combined with the rare π-hole(isocyano group)⋅⋅⋅dz2[PtII] interactions were identified via analysis of X-ray diffraction data of the co-crystals. These two types of structure-determining interactions supplemented each other, and the system of I⋯Cl and π-hole(isocyano group)⋅⋅⋅dz2[PtII] contacts achieved a 1D extended ladder-type architecture. The density functional theory calculations, employing a set of computational tools, verified the role of I⋯Cl and π-hole(isocyano group)⋅⋅⋅dz2[PtII] noncovalent bonds in the spectrum of noncovalent forces. The solid-state photophysical study revealed an amplification of luminescence intensity in the co-crystals, which is attributed to the suppression of the nonradiative relaxation pathways due to an increase in the rigidity of the chromophore center. Full article
(This article belongs to the Special Issue Platinum Group Metal Complexes as Luminescent Materials)
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