Preparation and enhanced visible-light photocatalytic activity of graphitic carbon nitride/bismuth niobate heterojunctions

- Graphitic C3N4/Bi5Nb3O15 heterojunctions were demonstrated for the first time.
- Graphitic C3N4/Bi5Nb3O15 exhibited enhanced visible-light photocatalytic activity.
- Graphitic C3N4/Bi5Nb3O15 possessed excellent photocatalytic stability.
- The excellent photocatalytic activity of graphitic C3N4/Bi5Nb3O15 was explained.