ZnWO4 nanorods decorated with Ag/AgBr nanoparticles as highly efficient visible-light-responsive photocatalyst for dye AR18 photodegradation

- Ag/AgBr-sensitized ZnWO4 nanorod heterojunction was fabricated and characterized.
- The composite showed the enhanced visible-light activity for AR18 photodegradation.
- The enhancement mechanism and the catalytic degradation mechanism were revealed.
- The effects of various parameters on AR18 photodegradation kinetics were examined.