A mixed anatase-rutile phase, non-stoichiometric titania photocatalyst material is a highly reactive and is a UV and visible light responsive photocastalyst in the as-deposited condition (i.e. without the need for a subsequent thermal treatment). The mixed phase, non-stoichiometric titania thin film material is non-stoichiometric in terms of its oxygen content such that the thin film material shows a marked red-shift in photoresponse.
CONTRACTUAL ORIGIN OF THE INVENTION
This invention was made with government support under Grant No. DE-FG02-03ER15457/A003 and DE-AC02-06CH11358 awarded by the Department of Energy. The Government has certain rights in the invention.