TY - JOUR
T1 - Carbon Nitride and Its Hybrid Photocatalysts for CO2 Reduction C1 Product Selectivity
AU - Zhu, Zhi
AU - Wang, Wei
AU - Li, Hongping
AU - Zhao, Jun
AU - Tang, Xu
N1 - We gratefully thank the National Natural Science Foundation of China (No. 22208127) and the Senior Talent Research Foundation of Jiangsu University (No. 23JDG030), and RGC Postdoctoral Fellowship Scheme of Hong Kong (RGC-PDFS-2324-2S04).
Publisher Copyright:
© 2025 by the authors. Licensee MDPI, Basel, Switzerland
PY - 2025/5
Y1 - 2025/5
N2 - The transformation of abundant and cost-effective CO2 molecules into valuable chemical feedstocks or fuels represents an appealing yet challenging research objective. Artificial photosynthesis offers a promising pathway for CO2 reduction reactions (CO2RR) under mild and environmentally friendly conditions. Graphitic carbon nitride (g-C3N4) has attracted significant attention for its potential to enhance the efficiency and selectivity of CO2RR through synthesis and modification strategies. This review explores recent advancements in g-C3N4 and its hybrid photocatalysts for selective CO2 conversions. We examine key factors influencing CO2RR product selectivity, including electron count and reaction dynamics, CO2 and reduction intermediates adsorption/desorption, and proton regulation affecting competitive hydrogen evolution. By summarizing various strategies to enhance CO2 photoreduction performance, this work provides a comprehensive analysis of CO2RR selectivity mechanisms for each approach. This review aims to inspire research endeavors towards developing efficient artificial systems for enhanced CO2RR efficiency and product selectivity.
AB - The transformation of abundant and cost-effective CO2 molecules into valuable chemical feedstocks or fuels represents an appealing yet challenging research objective. Artificial photosynthesis offers a promising pathway for CO2 reduction reactions (CO2RR) under mild and environmentally friendly conditions. Graphitic carbon nitride (g-C3N4) has attracted significant attention for its potential to enhance the efficiency and selectivity of CO2RR through synthesis and modification strategies. This review explores recent advancements in g-C3N4 and its hybrid photocatalysts for selective CO2 conversions. We examine key factors influencing CO2RR product selectivity, including electron count and reaction dynamics, CO2 and reduction intermediates adsorption/desorption, and proton regulation affecting competitive hydrogen evolution. By summarizing various strategies to enhance CO2 photoreduction performance, this work provides a comprehensive analysis of CO2RR selectivity mechanisms for each approach. This review aims to inspire research endeavors towards developing efficient artificial systems for enhanced CO2RR efficiency and product selectivity.
KW - graphitic carbon nitride
KW - photocatalytic CO2 reduction
KW - product selectivity
KW - photocatalytic mechanism
UR - https://www.mdpi.com/2073-4344/15/5/408
U2 - 10.3390/catal15050408
DO - 10.3390/catal15050408
M3 - Journal article
SN - 2073-4344
VL - 15
JO - Catalysts
JF - Catalysts
IS - 5
M1 - 408
ER -
