Sulfur vacancies engineered self-supported CdCr2S4 as cascade nanoreactor for efficient photocatalytic degradation of rifampicin - S. Sudheer Khan; J.P. Steffy; S. Swetha; Asad Syed; Abdallah M. Elgorban; Alanoud T. Alfagham; Meenakshi Verma; Ling Shing Wong (Journal of Water Process Engineering, 2025)