期刊
DALTON TRANSACTIONS
卷 45, 期 39, 页码 15427-15435出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt02863b
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资金
- Marie-Curie Intra-European Fellowship [327440]
- Russian Foundation for Basic Research [14-03-92612]
- Royal Society [IE140281]
- Russian Federation [MK 4054.2015.3]
- Japan Society for the Promotion of Science (JSPS)
This article describes the synthesis, structures and systematic study of the spectroscopic and redox properties of a series of octahedral molybdenum metal cluster complexes with aromatic sulfonate ligands (nBu(4)N)(2)[{Mo6X8}(OTs)(6)] and (nBu(4)N)(2)[{Mo6X8}(PhSO3)(6)] (where X- is Cl-, Br- or I-; OTs- is p-toluenesulfonate and PhSO3- is benzenesulfonate). All the complexes demonstrated photoluminescence in the red region and an ability to generate singlet oxygen. Notably, the highest quantum yields (>0.6) and narrowest emission bands were found for complexes with a {Mo6I8}(4+) cluster core. Moreover, cyclic voltammetric studies revealed that (nBu(4)N)(2)[{Mo6X8}(OTs)(6)] and (nBu(4)N)(2)[{Mo6X8}(PhSO3)(6)] confer enhanced stability towards electrochemical oxidation relative to corresponding starting complexes (nBu(4)N)(2)[{Mo6X8}X-6].
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