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-Pc, in contact with C60 is studied using photoelectron spectroscopy with ultraviolet and X-ray radiation (UPS and XPS, respectively), X-ray absorption near edge spectroscopy (XANES), and optical transmission spectroscopy. A possible improvement of the charge-carrier generation efficiency, which is essential for the performance as photoreceptor material, is thereby found for these materials upon doping with C60. No ground-state charge transfer is detected for the Pcs in contact with C60. The effect of an enhanced photoconductivity is demonstrated for τ-H2-Pc when it is doped by 5% C60.
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Received: 16 March 1998/Accepted: 16 March 1998
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Kessler, B. Phthalocyanine-C60 composites as improved photoreceptor materials? . Appl Phys A 67, 125–133 (1998). https://doi.org/10.1007/s003390050749
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DOI: https://doi.org/10.1007/s003390050749