Fig. 1From: Composition tunability of semiconductor radiosensitizers for low-dose X-ray induced photodynamic therapyCharacterization of TiO2:Bi (TB). A TEM image of TB. B HRTEM image of TB, and elemental distribution on TB. C X-ray diffraction patterns of TiO2 and TB. D–F XPS spectra of TB: D full spectrum, E Ti 2p spectrum, and F Bi 4f spectrumBack to article page