ZnO–Bi₂O₃/graphene oxide photocatalyst with high photocatalytic performance under visible light

Graphene and Graphene Oxide-Based Composites for Removal of Organic Pollutants: A Review

“…357 ZnO−Bi 2 O 3 /GO showed an efficiency of 99.62% after 2 hours of visible light radiation. 358 Bi 2 O 3 − rGO composites also gave similar results. 359 The redox reactions on graphene that act as cocatalyst have been established as rate-determining steps in the degradation of organic pollutants.…”

“…Graphene–Fe 2 O 3 /ZnO composites are also composites for dye degradation and possess magnetic character and were efficient even beyond five degradation cycles . ZnO–Bi 2 O 3 /GO showed an efficiency of 99.62% after 2 hours of visible light radiation . Bi 2 O 3 –rGO composites also gave similar results …”

“…382 ZnO− Bi 2 O 3 /GO was successful in eradicating Acid Blue, Acid Yellow, Acid Red, Reactive Blue, Reactive Yellow, and Reactive Red efficiently and proved helpful in managing textile waste. 358 Metal sulfides 342 such as CdS/graphene showed a 90% efficiency after 5 h visible light exposure. 383 In 2 S 3 prepared by solvo-thermal method had its efficiency increased 5 times than the sulfide on its own, and the maximum efficiency was seen at a temperature of 180 C. 384 An efficiency of 90% was reported for CdS/Al 2 O 3 /GO and 99% efficiency for CdS/ZnO/GO for 60 min of visible light irradiation for degradation of MO.…”

“…Eosin was separated from aqueous media using graphene−Mn 2 O 3 composites 382. ZnO− Bi 2 O 3 /GO was successful in eradicating Acid Blue, Acid Yellow, Acid Red, Reactive Blue, Reactive Yellow, and Reactive Red efficiently and proved helpful in managing textile waste 358. Metal sulfides342 such as CdS/graphene showed a 90% efficiency after 5 h visible light exposure 383.…”

Synergistic photo-enhanced electrocatalysis of Pt–ZnO–Bi2O3 heterojunction for methanol oxidation under visible light illumination

“…The ternary heterojunction, PZ25B1 shows higher photoactivity because the loading of Pt enhances the transfer of electrons from ZnO to Bi 2 O 3 and easily separates the photogenerated electron–hole pairs. 33,54,55,80…”