Fig. 3

(A) FT-IR spectra of TiO2, KH-TiO2 and Ada-KH-TiO2. a: TiO2; b: KH-TiO2; c: Ada-KH-TiO2. (B) a: β-CD; b: β-CD-HAM; c: Ada-KH-TiO2; d: mixture; e: inclusion complex. (C) FT-IR spectra of TiO2-CD-HAM inclusion complex. a: ultrasonic method (1:2); b: ultrasonic method (1:1); c: ultrasonic method (2:1); d: Freeze-drying method (1:2); e: Freeze-drying method (1:1).