A. Mills and N. Wells
Chem. Commun., 2015,51, 4161-4163
DOI:
10.1039/C4CC09734C,
Communication
Novel, reversible (reusable) photocatalyst activity indicator labels, which undergo a rapid colour change when in contact with a photocatalytic film via the photoreduction of methylene blue contained within the label's adhesive, are explored as a method for assessing the activity of self-cleaning glass in situ and the laboratory, using digital photography.