[8] [8] CAREY J H, LAWRENCE J, TOSINE H M. Photodechlorination of PCB's in the presence of titanium dioxide in aqueous suspensions［J］. Bulletin of Environmental Contamination and Toxicology, 1976, 16(6): 697-701.

[12] [12] SONG N N, ZHANG M H, ZHOU H, et al. Synthesis and properties of Bi2WO6 coupled with SnO2 nano-microspheres for improved photocatalytic reduction of Cr6+ under visible light irradiation［J］. Applied Surface Science, 2019, 495: 143551.

[13] [13] WU C H, KUO C Y, DONG C D, et al. Single-step solvothermal process for synthesizing SnO2/Bi2WO6 composites with high photocatalytic activity in the photodegradation of C.I. Reactive Red 2 under solar light［J］. Reaction Kinetics, Mechanisms and Catalysis, 2019, 126(2): 1097-1113.

[14] [14] ZOU X J, DONG Y Y, YUAN C Y, et al. Zn2SnO4 QDs decorated Bi2WO6 nanoplates for improved visible-light-driven photocatalytic removal of gaseous contaminants［J］. Journal of the Taiwan Institute of Chemical Engineers, 2019, 96: 390-399.

[15] [15] QU Y, LI Z J, SUN N, et al. Visible-light induced electron modulation to improve photoactivities of coral-like Bi2WO6 by coupling SnO2 as a proper energy platform［J］. Catalysis Today, 2019, 327: 288-294.