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8 December 1995 Optical absorption and photoluminescence in crystalline C60
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The nature of the optical excitations at the dipole forbidden optical gap of crystalline C60 is investigated by linear and non-linear spectroscopic techniques. The resonances observed both in the absorption and emission spectra are identified with Herzberg-Teller vibronic coupling of the electronic states to intramolecular vibrational modes. The highly structured fluorescence spectra of both C60 single crystals and crystalline C60 films are interpreted in terms of Frenkel exciton emission from X-traps.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michele Muccini, H. Schlaich, Jochen Feldmann, Heinz Baessler, Ernst O. Goebel, Roberto Zamboni, Carlo Taliani, J. Erxmeyer, and Alois Weidinger "Optical absorption and photoluminescence in crystalline C60", Proc. SPIE 2530, Fullerenes and Photonics II, (8 December 1995);

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