C60-dotierte Phtalocyanine : verbesserte Photoleitung durch lichtinduzierten Ladungstransfer

Morenzin, J.

Dissertation / PhD Thesis/Book

C60-dotierte Phtalocyanine : verbesserte Photoleitung durch lichtinduzierten Ladungstransfer

Morenzin, J. (Corresponding author)FZJ*

1999
Forschungszentrum, Zentralbibliothek Jülich

Jülich : Forschungszentrum, Zentralbibliothek, Berichte des Forschungszentrums Jülich 3730, (1999) = Köln, Univ., Diss., 1999

Please use a persistent id in citations: http://hdl.handle.net/2128/20571

Report No.: Juel-3730

Abstract: The efficiency of charge generation in organic photoconducting materials plays a major role in developing new non-toxic and inexpensive compounds for xerographic applications. In this work investigations on C60-doped metal-free phthalocyanine (H2-Pc) are presented. The doping with the fullerenes leads to a remarkable enhancement of the generation of free charges in H 2-Pc under illumination. One goal of this work was to show that this is due to a photoinduced electron-transfer from Phthalocyanine to C 60. Several experimental methods such as optical and photoelectron spectroscopy and photoelectric measurements were used to obtain informations about this process . Photoconductivity measurements showed a increased photogeneration efficiency of the C 60-doped samples. The photoinduced charge-transfer could be observed directly by timeresolved fluorescence and photoemission spectroscopy. Botte the energy and the typical timescale of this process could be determined . Based on the results of the time-resolved spectroscopy measurements, a model for a dopant-assisted charge-carrier generation has been developed.

Note: Record converted from VDB: 12.11.2012
Note: Köln, Univ., Diss., 1999

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