Poly(triazine imide) Crystals for Efficient CO 2 Photoreduction: Surface Pyridine Nitrogen Dominates the Performance
Fuzhou University · National Yang Ming Chiao Tung University
Abstract
Polymeric carbon nitrides (PCNs), usually the melon phase, have been extensively applied as photocatalysts for CO2 reduction; however, their performance is still unsatisfactory. The condensed allotrope, namely, poly(triazine imide) (PTI) with extended conjugation and a crystallized structure, indeed holds more favorable compositional and structural advantages for photocatalytic CO2 reduction but remains to be fully exploited. Herein, hexagonal prism-shaped PTI crystals were synthesized and developed as a high-performance photocatalyst for CO2 reduction. With Co(bpy)32+ as a cocatalyst, the PTI crystals exhibit a CO evolution rate of 44 μmol h–1 (i.e., 1467 μmol g–1 h–1) with 93% selectivity, markedly superior…
Citation impact
- FWCI
- 29.16
- Percentile
- 100%
- References
- 63
Authors
12Topics & keywords
- Photocatalysis
- Imide
- Pyridine
- Selectivity
- Materials science
- Nitride
- Triazine
- Crystallinity