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Title: Morphology and properties of a hybrid organic-inorganic system: Al nanoparticles embedded into CuPc thin film

The evolution of the morphology and the electronic structure of the hybrid organic-inorganic system composed of aluminum nanoparticles (NPs) distributed in an organic semiconductor matrix—copper phthalocyanine (CuPc)—as a function of nominal aluminum content was studied by transmission electron microscopy and by photoemission spectroscopy methods. The aluminum atoms deposited onto the CuPc surface diffuse into the organic matrix and self-assemble to NPs in a well-defined manner with a narrow diameter distribution, which depends on the amount of aluminum that is evaporated onto the CuPc film. We find clear evidence of a charge transfer from Al to CuPc and we have been able to determine the lattice sites where Al ions sit. The finally at high coverage about 64 Å the formation of metallic aluminum overlayer on CuPc thin film takes place.
Authors:
;  [1] ;  [2] ;  [3] ;  [1] ;  [4] ;  [5]
  1. Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg (Germany)
  2. Institute of Solid State Physics of Russian Academy of Sciences, Chernogolovka 142432 (Russian Federation)
  3. Helmholtz-Zentrum Berlin (HZB) für Materialien und Energie, Albert-Einstein-Straße 15, 12489 Berlin (Germany)
  4. (Russian Federation)
  5. (Germany)
Publication Date:
OSTI Identifier:
22273493
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 115; Journal Issue: 16; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 77 NANOSCIENCE AND NANOTECHNOLOGY; ALUMINIUM; ALUMINIUM IONS; ELECTRONIC STRUCTURE; EMISSION SPECTROSCOPY; LAYERS; MORPHOLOGY; NANOSTRUCTURES; ORGANIC SEMICONDUCTORS; PARTICLES; PHOTOEMISSION; SURFACES; THIN FILMS; TRANSMISSION ELECTRON MICROSCOPY