Engineering Oxygen-Vacancy-Rich S-Scheme CeSnO₃/Bi₂S₃ Perovskite-Based Heterojunction with Dynamic Ce³⁺/Ce⁴⁺ Redox Recycling: Efficient Photoactivation of Peroxymonosulfate towards Lindane Degradation, Antimicrobial Activity and Sustainable H₂ Production

Key Points

• This research aims to develop multifunctional perovskite-based heterojunctions for efficient environmental remediation and energy production.
• Synthesis of CeSnO₃/Bi₂S₃ heterojunctions via a two-step mixing approach.
• Characterization of structural and functional properties of synthesized materials.
• Evaluation of photoactivation efficiency for peroxymonosulfate degradation of lindane.
• Assessment of antimicrobial properties and hydrogen production capabilities.
• Optimized CB30 heterojunction showed enhanced photoactivation capabilities for peroxymonosulfate.
• Significant degradation of lindane observed under illuminated conditions.
• Electrochemical performance indicated effective redox recycling of Ce³⁺ and Ce⁴⁺.
• Noteworthy antimicrobial activity demonstrated against various pathogens.