SCIENCE - Scientists solve titanic puzzle of popular photocatalyst

A breakthrough in our understanding of the properties of titania (titanium dioxide) - the basis of self-cleaning window technology - has been made by scientists at UCL, uncovering a decades old misunderstanding that has clouded our knowledge of how mixed phase [1] titania catalysts operate.

http://phys.org/news/2013-07-scientists-titanic-puzzle-popular-photoca