Realizing strong visible-light absorption band for 2D crystalline carbon nitride sheets induced by extending π-conjugation and introducing cyano groups

Bridging Effect of Carbon Nitride with More Negative Conduction Potential and Halogens Promotes the Liquid-Phase Oxidation of Aromatic C–H Bonds

“…A longer fluorescence lifetime of carriers indicates a longer transport migration path of photocatalytic reaction, which is less favorable for carrier separation and utilization . Therefore, the Br-CN sample has the fastest charge carrier migration rate and the shortest migration path, making it highly favorable for its photocatalytic activity.…”

Recent advances in high-crystalline conjugated organic polymeric materials for photocatalytic CO2conversion

“…10a and b), which enhanced the light absorption capacity, accelerated the charge separation, and enhanced the photocatalytic performance. 120–122…”

The cooperative role of nitrogen defects and cyano-group functionalization in carbon nitride towards enhancing its CO2photoreduction activity

“…36,40–44 These approaches in multiple cases have been shown to lead to π-electron delocalization, thereby increasing the light absorption response and ultimately effectively reducing the excitonic recombination rates. 23,36,37,43–47…”

“…36,[40][41][42][43][44] These approaches in multiple cases have been shown to lead to pelectron delocalization, thereby increasing the light absorption response and ultimately effectively reducing the excitonic recombination rates. 23,36,37,[43][44][45][46][47] Considerable recent progress has been made in the eld of surface modication of carbon nitride via several synthesis strategies, for different photocatalytic applications including CO 2 reduction. 17,[26][27][28][29]36,48,49 For example, He and co-workers synthesized thiophene-implanted carbon nitrides to increase the activation of the n-p* transition, resulting in accelerated charge migration and enhancement of the bisphenol-A oxidation driving potential.…”