Figure 8. Bleaching of sensitizing dyes on titania (from top to bottom: crocin, saffron, anthocyanins)

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