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Issue 39, 2016
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A ligand substituted tungsten iodide cluster: luminescence vs. singlet oxygen production

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Abstract

Octahedral tungsten iodide clusters equipped with apical ligands (L) are synthesized to implement substantial photophysical properties. The [W6I8(CF3COO)6]2− cluster reported herein is the first example of a family of ligand substituted [W6I8L6]2− clusters. Such compounds are expected to exhibit a rich photochemistry in which the apical ligands play a crucial role. The versatile solid state and solution phase photophysical properties of (TBA)2[W6I8(CF3COO)6] described herein parallel characteristics obtained in some photophysically active organic compounds, including a broad absorption in the UV/VIS region. Upon irradiation of this compound, a broad red emission is observed in the VIS/NIR region resulting from excited triplet states, and singlet oxygen (a1Δg) is generated in the presence of O2.

Graphical abstract: A ligand substituted tungsten iodide cluster: luminescence vs. singlet oxygen production

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Supplementary files

Article information


Submitted
20 Jun 2016
Accepted
04 Sep 2016
First published
05 Sep 2016

This article is Open Access

Dalton Trans., 2016,45, 15500-15506
Article type
Paper

A ligand substituted tungsten iodide cluster: luminescence vs. singlet oxygen production

L. Riehl, A. Seyboldt, M. Ströbele, D. Enseling, T. Jüstel, M. Westberg, P. R. Ogilby and H.-Jürgen Meyer, Dalton Trans., 2016, 45, 15500
DOI: 10.1039/C6DT02471H

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