Scanning tunneling microscopy/spectroscopy studies of conducting polymer polypyrrole
Abstract
Ultrahigh-vacuum scanning tunneling spectroscopy and tunneling spectroscopy measurements of polypyrrole-vacuum-metal and polypyrrole-vacuum-polypyrrole tunneling junctions indicates the existence of three characteristic energy levels, 0.60, -0.40, and -0.65 eV near the Fermi level of an as-grown polypyrrole films. The measured energy levels of -0.40 and -0.65 eV could be attributed to localized filled states and mobility edge, respectively.
- Publication:
-
Journal of Applied Physics
- Pub Date:
- November 1994
- DOI:
- 10.1063/1.357164
- Bibcode:
- 1994JAP....76.5595W
- Keywords:
-
- Conducting Polymers;
- Electron Spectroscopy;
- Energy Levels;
- Polypyrroles;
- Scanning Tunneling Microscopy;
- Atomic Structure;
- Fermi Surfaces;
- Vacuum;
- Solid-State Physics