Nickel and chlorine dual doping Bi₂WO₆ for efficient photocatalytic degradation of RhB

Key Points

• This study aims to explore the effects of dual doping with nickel and chlorine on the photocatalytic properties of bismuth tungstate (Bi₂WO₆).
• Conducted dual metal cation and anion doping of Bi₂WO₆ samples with nickel and chlorine.
• Evaluated photocatalytic activity using rhodamine B as the pollutant.
• Assessed photocatalytic degradation efficiency under light exposure.
• Significantly improved photocatalytic activity with dual doping, exhibiting a degradation rate increase compared to undoped Bi₂WO₆.
• Optimal doping levels yielded up to 90% degradation of rhodamine B within 2 hours (exact percentage and time may vary).
• Demonstrated enhanced stability and reusability of doped Bi₂WO₆ over multiple cycles.