Spectroscopic Insights into Carbon Dot Systems

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Marcello Righetto; Alberto Privitera; Ilaria Fortunati; Dario Mosconi; Mirco Zerbetto; M. Lucia Curri; Michela Corricelli; Alessandro Moretto; Stefano Agnoli; Lorenzo Franco; Renato Bozio; Camilla Ferrante

2017

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  • The controversial nature of the fluorescent properties of carbon dots, ascribed either to surface states or to small molecules adsorbed onto the carbon nanostructures, is an unresolved issue
  • Electron micrographs indicate the presence of carbon cores, fluorescence correlation spectroscopy reveals that the emission properties of CDs are based neither on those cores nor on molecular species linked to them, but rather on free molecules
  • time-resolved electron paramagnetic resonance provides deeper insights into the structure of carbon cores, where C sp2 domains are embedded within C sp3 scaffolds
  • Carbon Nanodots: A Review—From the Current Understanding of the Fundamental Photophysics to the Full Control of the Optical Response

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