Answers are grounded in this paper and cite their sources.
Carbonate ions cause a net increase of the saturation photocurrent as well as the occurrence of a stepwise photocurrent/potential (I/V) characteristic for the photooxidation of water at a nanocrystalline TiO2 photoanode deposited on the conducting glass.
No takes yet. Share an insight, caveat, or question.
Sayama et al. (2002) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: