Synthesis and characterization of a new gold-2-mercapto-1-methyl imidazole are reported. This new organic material shows an extraordinary fluorescence activity (superfluorescence) up to 220°C with an unusual quantum yield of 0.2. Both fluorescence andNMRspectroscopywere applied to understand the behavior of the gold-2-mercapto-1-methylimidazole complex. Results suggest that the superfluorescence activity can be attributed to the shrinking of the HOMO-LUMO band gap energy following complexation of the organic imidazole system with gold.
Cardone, G., Carotenuto, G., Conte, P., Alonzo, G. (2010). Synthesis and characterization of a novel high luminescent gold-2-mercapto-1-methyl-imidazole complex. LUMINESCENCE, 26(26), 506-509 [10.1002/bio.1260].
Synthesis and characterization of a novel high luminescent gold-2-mercapto-1-methyl-imidazole complex
CONTE, Pellegrino;ALONZO, Giuseppe
2010-01-01
Abstract
Synthesis and characterization of a new gold-2-mercapto-1-methyl imidazole are reported. This new organic material shows an extraordinary fluorescence activity (superfluorescence) up to 220°C with an unusual quantum yield of 0.2. Both fluorescence andNMRspectroscopywere applied to understand the behavior of the gold-2-mercapto-1-methylimidazole complex. Results suggest that the superfluorescence activity can be attributed to the shrinking of the HOMO-LUMO band gap energy following complexation of the organic imidazole system with gold.
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