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Updated: Mar 1, 2026

Preparation and Characterization of C60/Graphene Hybrid Nanostructures
Published on: May 15, 2018
Energy-level alignment at interfaces between manganese phthalocyanine and C60
Daniel Waas1, Florian Rückerl1, Martin Knupfer1
1IFW Dresden, P.O. Box 270116, D-01171 Dresden, Germany.
Abstract:
We have used photoelectron spectroscopy to determine the energy-level alignment at organic heterojunctions made of manganese phthalocyanine (MnPc) and the fullerene C60. We show that this energy-level alignment depends upon the preparation sequence, which is explained by different molecular orientations. Moreover, our results demonstrate that MnPc/C60 interfaces are hardly suited for application in organic photovoltaic devices, since the energy difference of the two lowest unoccupied molecular orbitals (LUMOs) is rather small.
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