title: Synthesis and characterization of a novel high luminescent gold-2-mercapto-1-methyl-imidazole complex.
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 and NMR spectroscopy were 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.
authors.affiliation: Institute of Composite and Biomedical Materials, National Research Council, Piazzale Tecchio, 80-80125 Napoli, Italy.
authors.forename: Giorgio
authors.initials: G
authors.lastname: Cardone
authors.forename: Gianfranco
authors.initials: G
authors.lastname: Carotenuto
authors.forename: Pellegrino
authors.initials: P
authors.lastname: Conte
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Alonzo
mesh_terms: D002152:Calorimetry, Differential Scanning; D006046:Gold / Q000737:chemistry*; D007093:Imidazoles / Q000138:chemical synthesis* / Q000737:chemistry; D049449:Luminescence; D009682:Magnetic Resonance Spectroscopy; D013050:Spectrometry, Fluorescence
chemical_list: C107674:2-mercapto-1-methylimidazole; D007093:Imidazoles; D006046:Gold