Heterometallic Cluster-Capped Tetrahedral Assemblies with Postsynthetic Modification of the Metal Cores

Julia R. Shakirova, Elena V. Grachova, Vladislav V. Gurzhiy, Senthil Kumar Thangaraj, Janne Jänis, Alexey S. Melnikov, Antti J. Karttunen, Sergey P. Tunik, Igor O. Koshevoy

Research output

5 Citations (Scopus)

Abstract

Combining the star-shaped alkynyl ligands with low-nuclearity gold–copper triphosphane clusters produces 3D metallocage aggregates, which demonstrate room temperature phosphorescence in solution (max Φem=0.6). Their luminescence mainly originates from cluster-localized metal-to-ligand charge transfer excited state. These supramolecular assemblies can be easily converted into the isostructural gold-silver congeners by the direct exchange of the metal ions. Such modification of the terminal metal cores switches the emission to the intraligand (alkyne) electronic transitions of the triplet manifold, that represents an unusual optical functionality among the metallocycle/metallocage complexes.

Original languageEnglish
Pages (from-to)14154-14158
Number of pages5
JournalAngewandte Chemie - International Edition
Volume57
Issue number43
DOIs
Publication statusPublished - 22 Oct 2018

Fingerprint

Metals
Ligands
Phosphorescence
Alkynes
Silver
Excited states
Gold
Stars
Metal ions
Charge transfer
Luminescence
Ion exchange
Switches
Temperature

Scopus subject areas

  • Catalysis
  • Chemistry(all)

Cite this

Shakirova, Julia R. ; Grachova, Elena V. ; Gurzhiy, Vladislav V. ; Thangaraj, Senthil Kumar ; Jänis, Janne ; Melnikov, Alexey S. ; Karttunen, Antti J. ; Tunik, Sergey P. ; Koshevoy, Igor O. / Heterometallic Cluster-Capped Tetrahedral Assemblies with Postsynthetic Modification of the Metal Cores. In: Angewandte Chemie - International Edition. 2018 ; Vol. 57, No. 43. pp. 14154-14158.
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abstract = "Combining the star-shaped alkynyl ligands with low-nuclearity gold–copper triphosphane clusters produces 3D metallocage aggregates, which demonstrate room temperature phosphorescence in solution (max Φem=0.6). Their luminescence mainly originates from cluster-localized metal-to-ligand charge transfer excited state. These supramolecular assemblies can be easily converted into the isostructural gold-silver congeners by the direct exchange of the metal ions. Such modification of the terminal metal cores switches the emission to the intraligand (alkyne) electronic transitions of the triplet manifold, that represents an unusual optical functionality among the metallocycle/metallocage complexes.",
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author = "Shakirova, {Julia R.} and Grachova, {Elena V.} and Gurzhiy, {Vladislav V.} and Thangaraj, {Senthil Kumar} and Janne J{\"a}nis and Melnikov, {Alexey S.} and Karttunen, {Antti J.} and Tunik, {Sergey P.} and Koshevoy, {Igor O.}",
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Heterometallic Cluster-Capped Tetrahedral Assemblies with Postsynthetic Modification of the Metal Cores. / Shakirova, Julia R.; Grachova, Elena V.; Gurzhiy, Vladislav V.; Thangaraj, Senthil Kumar; Jänis, Janne; Melnikov, Alexey S.; Karttunen, Antti J.; Tunik, Sergey P.; Koshevoy, Igor O.

In: Angewandte Chemie - International Edition, Vol. 57, No. 43, 22.10.2018, p. 14154-14158.

Research output

TY - JOUR

T1 - Heterometallic Cluster-Capped Tetrahedral Assemblies with Postsynthetic Modification of the Metal Cores

AU - Shakirova, Julia R.

AU - Grachova, Elena V.

AU - Gurzhiy, Vladislav V.

AU - Thangaraj, Senthil Kumar

AU - Jänis, Janne

AU - Melnikov, Alexey S.

AU - Karttunen, Antti J.

AU - Tunik, Sergey P.

AU - Koshevoy, Igor O.

PY - 2018/10/22

Y1 - 2018/10/22

N2 - Combining the star-shaped alkynyl ligands with low-nuclearity gold–copper triphosphane clusters produces 3D metallocage aggregates, which demonstrate room temperature phosphorescence in solution (max Φem=0.6). Their luminescence mainly originates from cluster-localized metal-to-ligand charge transfer excited state. These supramolecular assemblies can be easily converted into the isostructural gold-silver congeners by the direct exchange of the metal ions. Such modification of the terminal metal cores switches the emission to the intraligand (alkyne) electronic transitions of the triplet manifold, that represents an unusual optical functionality among the metallocycle/metallocage complexes.

AB - Combining the star-shaped alkynyl ligands with low-nuclearity gold–copper triphosphane clusters produces 3D metallocage aggregates, which demonstrate room temperature phosphorescence in solution (max Φem=0.6). Their luminescence mainly originates from cluster-localized metal-to-ligand charge transfer excited state. These supramolecular assemblies can be easily converted into the isostructural gold-silver congeners by the direct exchange of the metal ions. Such modification of the terminal metal cores switches the emission to the intraligand (alkyne) electronic transitions of the triplet manifold, that represents an unusual optical functionality among the metallocycle/metallocage complexes.

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KW - ZN

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KW - METALLACYCLES

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