Nonlinear optical and transport properties of fullerene crystals

Hugh James Byrne; A. T. Werner; W. K. Maser; M. Kaiser; L. Akselrod; Wolfgang W. Ruehle; Siegmar Roth

doi:10.1117/12.196125

28 November 1994 Nonlinear optical and transport properties of fullerene crystals

Hugh James Byrne, A. T. Werner, W. K. Maser, M. Kaiser, L. Akselrod, Wolfgang W. Ruehle, Siegmar Roth

Proceedings Volume 2284, Fullerenes and Photonics; (1994) https://doi.org/10.1117/12.196125
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

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.

Citation Download Citation

Hugh James Byrne, A. T. Werner, W. K. Maser, M. Kaiser, L. Akselrod, Wolfgang W. Ruehle, and Siegmar Roth "Nonlinear optical and transport properties of fullerene crystals", Proc. SPIE 2284, Fullerenes and Photonics, (28 November 1994); https://doi.org/10.1117/12.196125

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