Phosphorescent Materials Based on Organometallic Complexes

A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Organometallic Chemistry".

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 4726

Special Issue Editors


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Guest Editor
Department of Chemistry, State Key Laboratory of Synthetic Chemistry, HKU-CAS Joint Laboratory on New Materials, The University of Hong Kong, Pokfulam Road, Hong Kong, China
Interests: organometallic chemistry; computational chemistry; supramolecular chemistry; excited state of metal complexes; molecular conductor and magnet

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Guest Editor
Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China
Interests: coordination chemistry; luminescence; excited states; noncovalent interactions; optoelectronic devices

Special Issue Information

Dear Colleagues,

Phosphorescent organometallic complexes have wide applications in OLED technology, bio-imaging, sensors, photo-catalysis, and so on. Phosphorescence occurs via a radiative spin-forbidden transition from the first triplet excited state (T1) to the single ground state (S0), where the spin forbiddances can be relaxed by the spin–orbit coupling (SOC). Organometallic complexes with a heavy metal atom having a large SOC constant can show near-unity phosphorescence quantum yield and have been industrialized for OLED applications. Recent years have also witnessed the great impact of phosphorescent organometallic complexes in the fields of photo-catalysis due to their long-lived triplet excited state in facilitating efficient energy/electron transfer process upon photo-excitation.

This Special Issue of Inorganics aims to publish a collection of state-of-the-art research papers illustrating recent achievements in the development of phosphorescent organometallic complexes, especially those with unconventional luminescence properties, as well as their potential applications, mechanistic and spectroscopic studies and particularly addressing the topics listed below:

  • Design and preparation of new phosphorescent organometallic complexes;
  • Phosphorescent materials in electronic devices;
  • Electronic structures and theoretical studies of phosphorescent organometallic complexes;
  • Spectroscopic studies of the triplet excited state of metal complexes;
  • Photo-catalysis of phosphorescent organometallic complexes.

Dr. Wendy Qingyun Wan
Dr. Kai Li
Guest Editors

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Keywords

  • phosphorescent organometallic complexes
  • OLED
  • molecular design
  • photo-catalysis
  • energy transfer and exciton transport
  • spectroscopy

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Published Papers (2 papers)

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Review

12 pages, 3826 KiB  
Review
Vibrational Coherence in the Metal–Metal-Bonded Excited State of Pt(II) Complexes
by Tengfei Yan and Qingyun Wan
Inorganics 2023, 11(11), 441; https://doi.org/10.3390/inorganics11110441 - 18 Nov 2023
Cited by 1 | Viewed by 2065
Abstract
In the past decade, there have been significant advancements in the investigation of coherence-related phenomena in organic systems such as biological photosynthetic reaction centers. The d8 Pt(II) dinuclear complex or molecular aggregate with a metal–metal-to-ligand charge transfer (MMLCT) or metal-centered (MC) excited [...] Read more.
In the past decade, there have been significant advancements in the investigation of coherence-related phenomena in organic systems such as biological photosynthetic reaction centers. The d8 Pt(II) dinuclear complex or molecular aggregate with a metal–metal-to-ligand charge transfer (MMLCT) or metal-centered (MC) excited state was reported to show the vibrational coherence phenomenon in the intersystem crossing (ISC) process, due to the Metal–metal (M-M) interaction at excited state. In this study, we review the coherence effect in the Pt(II)-Pt(II) complexes which are speculated to be a coherent energy conversion system. The impacts of coherence on the photo-physics of Pt(II) dinuclear complexes have been discussed and reviewed, including the intersystem crossing process and vibrational wavepacket dynamics. Full article
(This article belongs to the Special Issue Phosphorescent Materials Based on Organometallic Complexes)
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29 pages, 16261 KiB  
Review
Metal-Organic Cages Based on Phosphorescent Organometallics
by Yunliang Yu, Xiaoxia Wang, Yuliang Liu and Chao Zou
Inorganics 2023, 11(11), 436; https://doi.org/10.3390/inorganics11110436 - 14 Nov 2023
Viewed by 2043
Abstract
During the last two decades, metal-organic cages (MOCs) have been extensively investigated and well documented. Meanwhile, phosphorescent MOCs have emerged as a kind of new MOC material but have not been given much attention. The diversity of their structures and their flexibility of [...] Read more.
During the last two decades, metal-organic cages (MOCs) have been extensively investigated and well documented. Meanwhile, phosphorescent MOCs have emerged as a kind of new MOC material but have not been given much attention. The diversity of their structures and their flexibility of self-assembly result in various luminescent behaviors. Additionally, their special photoactive properties are quite attractive in the background of photochemistry and worthy of discussion. Here, we would like to introduce the recent development of phosphorescent MOCs, including their structures, syntheses, photophysical properties and possible applications. This minireview may hopefully inspire the development of novel phosphorescent MOCs and also facilitate promising applications. Full article
(This article belongs to the Special Issue Phosphorescent Materials Based on Organometallic Complexes)
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