Figure 1. Different unsensitized photogalvanic cells using a titania-coated photoelectrode; from left to right: 2-pot-cell, 1-pot-cell, compact cell, transparent cell

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