Figure 5. Surface of a titania photoelectrode that was scratched down to the conductive glass (blue areas). Measurements of the profile give first information about the thickness of the titania layer and surface roughness. (Keyence VHD-1000X)

From

Photosensitizers for Photogalvanic Cells in the Chemistry Classroom

Claudia Bohrmann-Linde, Diana Zeller

World Journal of Chemical Education. 2018, 6(1), 36-42 doi:10.12691/wjce-6-1-7