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Highly luminescent complexes [Mo6X8(n-C3F7COO)6]2- (X=Br, I)
Maxim N Sokolov1, Maxim A Mihailov, Eugenia V Peresypkina
1Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3 Acad. Lavrentiev Prosp., 630090, Novosibirsk, Russia. caesar@niic.nsc.ru
Dalton Transactions (Cambridge, England : 2003)
|May 20, 2011
Summary
New metal complexes exhibit exceptionally bright and long-lasting red phosphorescence. These findings represent a significant advancement in the field of hexanuclear metal cluster complexes, showcasing record-breaking emission properties.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Photophysics
Background:
- Hexanuclear metal cluster complexes are known for their unique electronic and photophysical properties.
- Previous research has explored various metal combinations and ligands to tune luminescence in these systems.
Purpose of the Study:
- To synthesize and characterize novel hexanuclear molybdenum cluster complexes.
- To investigate the photoluminescent properties, specifically phosphorescence, of these new complexes in solution and solid states.
Main Methods:
- Synthesis of tetrabutylammonium salts of [Mo(6)X(8)(n-C(3)F(7)COO)(6)] (X = Br, I) complexes.
- Spectroscopic analysis including emission quantum yield and lifetime measurements.
- Characterization of solid-state and solution-phase luminescence.
Main Results:
- The synthesized complexes exhibit extraordinarily bright red phosphorescence.
- These complexes demonstrate the longest emission lifetimes and highest quantum yields reported to date for hexanuclear Mo, W, and Re cluster complexes.
- Bright phosphorescence was observed in both solution and solid phases.
Conclusions:
- The new [Mo(6)X(8)(n-C(3)F(7)COO)(6)] complexes represent a significant advancement in luminescent metal cluster chemistry.
- Their superior photophysical properties open avenues for applications in areas requiring efficient and stable red light emission.
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