Trimetallic Mixture of Ni(III), Pd(III) and Au(III) Ions in a Molecule-Based Bromide-Bridged MX-Chain Compound

Multi-metallic inorganic alloy materials have attracted great attention recently. Additionally, molecule-based materials have wide designability in terms of their structures and electronic states. These are two different ideas. Here, we report the mixing of Pd(III) and Au(III) ions into a bromide-br...

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Bibliographic Details
Published in:Bulletin of the Chemical Society of Japan 2022-07, Vol.95 (7), p.1032-1038
Main Authors: Wakizaka, Masanori, Wu, Hashen, Li, Zhao-Yang, Iguchi, Hiroaki, Takaishi, Shinya, Yamashita, Masahiro
Format: Article
Language:English
Subjects:
Electrochemical oxidation
Electron states
Electronic systems
Gold
Molecular chains
Nickel compounds
Palladium
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Summary:Multi-metallic inorganic alloy materials have attracted great attention recently. Additionally, molecule-based materials have wide designability in terms of their structures and electronic states. These are two different ideas. Here, we report the mixing of Pd(III) and Au(III) ions into a bromide-bridged molecular chain compound [Ni(chxn)2Br]Br2 (chxn: 1R,2R-diaminocyclohexane) to form an average formula of [Ni0.853Pd0.142Au0.005(chxn)2Br]Br2, which was synthesized by an electrochemical oxidation method. This trimetallic material is revealed to be a Mott–Hubbard state semiconductor with a one-dimensional electronic system like that of [Ni(chxn)2Br]Br2, whereas it shows a smaller activation energy for conductivity than that of pristine [Ni(chxn)2Br]Br2. This work represents a fusion of the concepts of multi-metallic and molecule-based materials using a 1D compound.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.20220137