Interfacial energy level bending in a crystalline p/p-type organic heterostructure
- IFW Dresden, D-01069 Dresden (Germany)
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun (China)
A conduction channel was observed at the heterointerface of the crystalline p-type organic films copper phthalocyanine (CuPc) and 2,5-bis(4-biphenylyl) bithiophene (BP2T). Energy level bending at the interface is confirmed by photoemission spectroscopy, which verifies a charge transfer between CuPc and BP2T. This provides a further route to utilize interfacial electronic properties in functional devices and also documents the importance of reconsidering the interfacial electronic structure of organic heterostructures.
- OSTI ID:
- 21518447
- Journal Information:
- Applied Physics Letters, Vol. 98, Issue 20; Other Information: DOI: 10.1063/1.3592994; (c) 2011 American Institute of Physics; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
36 MATERIALS SCIENCE
BENDING
CHARGE EXCHANGE
COPPER COMPLEXES
ELECTRONIC STRUCTURE
ENERGY LEVELS
EQUIPMENT
HETEROJUNCTIONS
INTERFACES
ORGANIC SEMICONDUCTORS
PHOTOEMISSION
PHTHALOCYANINES
SPECTROSCOPY
SURFACE ENERGY
THIN FILMS
COMPLEXES
DEFORMATION
DYES
EMISSION
ENERGY
FILMS
FREE ENERGY
HETEROCYCLIC COMPOUNDS
MATERIALS
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
SECONDARY EMISSION
SEMICONDUCTOR JUNCTIONS
SEMICONDUCTOR MATERIALS
SURFACE PROPERTIES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPLEXES
SUPERCONDUCTIVITY AND SUPERFLUIDITY
36 MATERIALS SCIENCE
BENDING
CHARGE EXCHANGE
COPPER COMPLEXES
ELECTRONIC STRUCTURE
ENERGY LEVELS
EQUIPMENT
HETEROJUNCTIONS
INTERFACES
ORGANIC SEMICONDUCTORS
PHOTOEMISSION
PHTHALOCYANINES
SPECTROSCOPY
SURFACE ENERGY
THIN FILMS
COMPLEXES
DEFORMATION
DYES
EMISSION
ENERGY
FILMS
FREE ENERGY
HETEROCYCLIC COMPOUNDS
MATERIALS
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
SECONDARY EMISSION
SEMICONDUCTOR JUNCTIONS
SEMICONDUCTOR MATERIALS
SURFACE PROPERTIES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPLEXES