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Synthesis and characterization of a novel high luminescent gold‐2‐mercapto‐1‐methyl‐imidazole complex
Author(s) -
Cardone Giorgio,
Carotenuto Gianfranco,
Conte Pellegrino,
Alonzo Giuseppe
Publication year - 2010
Publication title -
luminescence
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.428
H-Index - 45
eISSN - 1522-7243
pISSN - 1522-7235
DOI - 10.1002/bio.1260
Subject(s) - imidazole , fluorescence , homo/lumo , characterization (materials science) , quantum yield , chemistry , spectroscopy , luminescence , photochemistry , yield (engineering) , materials science , nanotechnology , organic chemistry , physics , molecule , optoelectronics , quantum mechanics , metallurgy
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. Copyright © 2010 John Wiley & Sons, Ltd.

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