Spectral and luminescent properties of mixed-ligand complexes of palladium(II) and 7,8-benzoquinoline |
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| Authors: | M. V. Puzyk V. S. Kotlyar N. V. Antonov Yu. A. Ivanov M. A. Ivanov K. P. Balashev |
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| Affiliation: | (1) Herzen State Pedagogical University, St. Petersburg, 191186, Russia |
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| Abstract: | Spectral and luminescent properties of mixed-ligand palladium(II) complexes—[PdBhq(μ-Cl)]2, [PdBhqEn]ClO4, and [PdBhqBpy]ClO4, where Bhq stands for the 7,8-benzoquinoline ion—were studied. The absorption spectra of these complexes in the 25000–40000-cm? range were found to have a number of spin-allowed transitions of the 1(π-π*) type involving orbitals of the 7,8-benzoquinoline ligand. The luminescent characteristics of these compounds in a glass-forming matrix at 77 K are primarily determined by the participation of the 3(π-π*) states of the 7,8-benzoquinoline ligand. |
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