The list of research area's the Kelvin Probe can be applied to is constantly expanding, some examples include:
Adsorption, Biotechnology, Charge Analysis, Coatings, Corrosion, Display Technology, Fermi-level Mapping, Fuel Cells, Medical Devices, MEMS, Nanotechnology, OLEDS, Pyroelectricity, Semiconductors, Solar Cells, Surface Contamination, Surface Chemistry and Surface Photovoltage.

Single Electron Transistor Device results scan
Kelvin Probe 50micron tip measuring a Single Electron Transistor Device
Scanning Kelvin Probe
UHV Kelvin Probe
Solar Panels
Scanning Kelvin Probe