Fig. 4From: Synthesis and Study of Optical Characteristics of Ti0.91O2/CdS Hybrid Sphere Structuresa Excitation power dependence of PL spectra. b Electron transfer from conduction band of Ti0.91O2 to CdS with high-power excitation. c The integrated PL intensity ratio between central wavelength 560 and 475 nm. d The time-resolved PL measurements for 450, 500, and 550 nm with 266 nm excitation wavelengthBack to article page