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We present a universal synthesis method for mixed phase TiO2(B)/anatase thin films on any substrate.

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Ag/Bi 2 WO 6 nanocomposites were successfully synthesized by a combination of hydrothermal method and ultrasonic vibration. The phases, vibration modes, constituents and morphologies were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, field emission scanning electron microscopy, transmission electron microscopy and X-ray photoelectron spectroscopy. The visible-light-driven photocatalytic activitiy of 0-10 wt% Ag/Bi 2 WO 6 samples was studied by determining the photodegradation of rhodamine B under xenon lamp. In this research, 10 wt% Ag/Bi 2 WO 6 nanocomposites exhibit the highest efficiency and have the promising photocatalytic properties for waste water treatment.