Defect-driven interfacial electronic structures at an organic/metal-oxide semiconductor heterojunction.
basic_science · Level V
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- Record sourced from PubMed, PMID 24830796.
- Also identified by DOI 10.1002/adma.201305351.
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Abstract
The electronic structure of the hybrid interface between ZnO and the prototypical organic semiconductor PTCDI is investigated via a combination of ultraviolet and X-ray photoelectron spectroscopy (UPS/XPS) and density functional theory (DFT) calculations. The interfacial electronic interactions lead to a large interface dipole due to substantial charge transfer from ZnO to 3,4,9,10-perylenetetracarboxylicdiimide (PTCDI), which can be properly described only when accounting for surface defects that confer ZnO its n-type properties.
Medical subject headings
- Electrons
- Imides
- Perylene
- Semiconductors
- Zinc Oxide