Co3O4 nanoparticles-loaded BiOCl nanoplates with the dominant {001} facets: efficient photodegradation of organic dyes under visible light

- Co3O4/BiOCl p-n heterojunction was synthesized by chemical coprecipitation method.
- BiOCl nanoplates exhibits a high percentage of {001} facets exposure.
- The heterojunction contains BiOCl nanoplates and Co3O4 nanoparticles.
- The heterojunction shows excellent visible-light photocatalytic activity.
- 0.8 wt% Co3O4/BiOCl composite exhibits good cycle performance.