The important role of tetrahedral Ti4+ sites in the phase transformation and photocatalytic activity of TiO2 nanocomposites.
Highly photoactive, tetrahedral Ti4+ sites can be created, other than in zeolite cavities and on silica substrate, in mixed-phase TiO2 nanocomposites. The tetrahedral Ti4+ species was shown to be an intermediate formed during the thermally driven phase transformation from anatase to rutile.
Li
Gonghu
G
Institute for Catalysis in Energy Processes, Department of Civil and Environmental Engineering, Northwestern University, Evanston, Illinois 60208, USA.
Dimitrijevic
Nada M
NM
Chen
Le
L
Nichols
Jamie M
JM
Rajh
Tijana
T
Gray
Kimberly A
KA