In situ preparation of a recyclable hydrogel-based photocatalyst and its application in sunlight-promoted photodegradation of eosin Y

Key Points

• The photocatalyst demonstrates excellent stability, reusability, and effectiveness in degrading eosin Y under sunlight exposure.
• Significant improvement in photodegradation efficiency is seen, indicating a promising application for environmental remediation.
• In situ generation of Zn–Cu–S particles within the hydrogel enhances photocatalyst properties and performance during use.
• Findings support the potential of hydrogel-based materials in developing sustainable solutions for wastewater treatment.