1. Temperature-Dependent Fluorescence of Cu5 Metal Clusters: A Molecular Thermometer
- Author
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Nelsi Zaccheroni, Sara Bonacchi, Matteo Calvaresi, Francesco Zerbetto, Massimiliano Delferro, Roberto Pattacini, Luca Prodi, Roberto Paolesse, Daniele Cauzzi, Corrado Di Natale, Marco Montalti, Francesca Dini, D. Cauzzi, R. Pattacini, M. Delferro, F. Dini, C. Di Natale, R. Paolesse, S. Bonacchi, M. Montalti, N. Zaccheroni, M. Calvaresi, F. Zerbetto, and L. Prodi
- Subjects
cluster compounds ,copper ,fluorescence lifetime ,luminescence ,molecular thermometer ,POLYMERIC THERMOMETER ,LIFETIME ,NANOPARTICLES ,TERBIUM ,RANGE ,Chemistry ,Settore CHIM/07 - Fondamenti Chimici delle Tecnologie ,Analytical chemistry ,General Chemistry ,General Medicine ,Fluorescence ,Settore ING-INF/01 - Elettronica ,Catalysis ,cluster compound ,Thermometer ,Metal clusters - Abstract
We report the distinctive photophysical properties of a Cu5-core metal cluster that presents, both in solution and in the solid, temperature dependent fluorescent quantum yield and excited state lifetime in the range between -45 and +80 °C. It allows for an unprecedented accuracy in temperature determination by fluorescence measurements, making it suitable for applications in nanosized environments, e.g. in biology and (nano)materials research.
- Published
- 2012