Blue/green/red colour emitting up-conversion phosphors coupled C-TiO2 composites with UV, visible and NIR responsive photocatalytic performance

- Blue/green/red colours emitting up-conversion phosphor coupled C-TiO2 were prepared.
- Weak UV, visible LEDs and 980 nm infrared laser were used as exciting sources.
- RhB solution and continuous NO gas were utilized as photocatalytic targets.
- Outstanding photocatalytic ability was presented under different light sources.
- The photonic efficiency of photocatalytic performance was calculated.