Fabrication of Bi-Doped TiO2 Spheres with Ultrasonic Spray Pyrolysis and Investigation of Their Visible-Light Photocatalytic Properties
Figure 4
(a) XPS survey spectrum of TBi2, (b) high-resolution XPS spectrum of Ti 2p region, (c) high-resolution XPS spectrum of Bi 4f region, and (d) high-resolution XPS spectrum of O1s region of TBi2.
