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Proceedings Paper

Nonlinear optical and transport properties of fullerene crystals
Author(s): Hugh James Byrne; A. T. Werner; W. K. Maser; M. Kaiser; L. Akselrod; Wolfgang W. Ruehle; Siegmar Roth
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Paper Abstract

Picosecond time resolved photoluminescence and photoconductivity measurements are performed to investigate the influence of high intensity illumination on the properties of Fullerene crystals. A highly nonlinear dependence of both the photoluminescence characteristics and the photoconductive response of the fullerenes is seen and temperature dependent measurements indicate that the nonlinear processes are associated with an insulator- metal phase transition in the material, and thus that the electronic properties of the excited state are dramatically altered at high excited state densities. Application of a simple phenomenological model to calculate the contribution of exchange and correlation energies supports the feasibility of such an interpretation. A further manifestation of this behavior is the emergence of a broadband electroluminescent emission above a critical injection current density.

Paper Details

Date Published: 28 November 1994
PDF: 9 pages
Proc. SPIE 2284, Fullerenes and Photonics, (28 November 1994); doi: 10.1117/12.196125
Show Author Affiliations
Hugh James Byrne, Max-Planck-Institut fuer Festkoerperforschung (Ireland)
A. T. Werner, Max-Planck-Institut fuer Festkoerperforschung (Germany)
W. K. Maser, Max-Planck-Institut fuer Festkoerperforschung (France)
M. Kaiser, Max-Planck-Institut fuer Festkoerperforschung (Germany)
L. Akselrod, Max-Planck-Institut fuer Festkoerperforschung (Germany)
Wolfgang W. Ruehle, Max-Planck-Institut fuer Festkoerperforschung (Germany)
Siegmar Roth, Max-Planck-Institut fuer Festkoerperforschung (Germany)


Published in SPIE Proceedings Vol. 2284:
Fullerenes and Photonics
Zakya H. Kafafi, Editor(s)

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