Journal
DALTON TRANSACTIONS
Volume 45, Issue 39, Pages 15500-15506Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt02471h
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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 (a(1)Delta(g)) is generated in the presence of O-2.
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