Mechanistic Insight into the Thermochromic Emission of One-Dimensional Platinum(II) and Palladium(II) Complex Crystals

Yoshida, Masaki; Kato, Masako

ChemPlusChem, 2025, e202400743

Number of Access:75（2025-08-14 04:32 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/100967

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Title
Mechanistic Insight into the Thermochromic Emission of One-Dimensional Platinum(II) and Palladium(II) Complex Crystals
Creator
CreatorName
Yoshida, Masaki
NRID
1000080214401 1000080214401
CreatorName
Kato, Masako
Subject
Assembly-induced emission
Metallophilic interactions
Palladium complexes
Platinum complexes
Thermochromism
Description
Yoshida M., Kato M.. Mechanistic Insight into the Thermochromic Emission of One-Dimensional Platinum(II) and Palladium(II) Complex Crystals. ChemPlusChem , (2025); https://doi.org/10.1002/cplu.202400743.
Abstract
Self-assembled Pt(II) complexes have attracted increasing interest because of their bright and colorful luminescence, as well as their stimuli-responsive properties resulting from metallophilic interactions. This review focuses on the temperature-responsive luminescent behavior (i. e., thermochromic emission) of self-assembled one-dimensional Pt(II) complexes from the viewpoint of the structure-photophysics relationship. The thermochromism of Pd(II) complexes, which have the same d8 electronic configuration as Pt(II) complexes, is also summarized to gain a better understanding of the detailed thermochromic emissions. The mechanism of the thermochromic emissions of Pt(II) and Pd(II) complexes can be understood on the basis of two main temperature-dependent factors: (i) the energy change of the assembly, which induces excited state delocalization over two or more molecules (i. e., excited oligomers), and (ii) the thermal equilibrium between these excited oligomers. The threshold for the metal⋅⋅⋅metal distance, at which the latter factor becomes more dominant, is also discussed.
Publisher
John Wiley and Sons Inc
Source Title
ChemPlusChem
Page
e202400743
Date of Issued
2025-03-03
Language
English
Handle URL
https://hdl.handle.net/11094/100967
eISSN
21926506
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1002/cplu.202400743
Access Rights
open access
CopyRight
This article is licensed under a Creative Commons Attribution 4.0 International License.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article