Nanoarchitectonics of MXene/semiconductor heterojunctions toward artificial photosynthesis via photocatalytic CO2 reduction

Artificial photosynthesis via photocatalytic CO 2 reduction to transform into C1/C2 hydrocarbon fuels represents a fundamental solution energy shortage and global warming. This review summarizes the recent advances in development of MXene-based composites for photoreduction, particularly effect MXene surface terminations on their electronic structure photoreduction activity, along with discussion major challenges opportunities this emerging field. • MXenes act as cocatalyst fuels. High efficiency is achieved by introducing MXenes. The can affect electron catalytic activity. Improved charge separation adsorption/activation ability result enhanced performance. main process are low adsorption activation stability utilization rate carriers. Two-dimensional transition metal carbides (MXenes) have been explored cocatalysts improve power thereby increase In study, we identify role heterojunction provide some suggestions preparing photocatalysts. First, elaborate MXenes, such bandgap work function. Subsequently, detailed reduction: they serve electron/hole reservoirs, abundant sites, exhibit photothermal conversion characteristics. Moreover, expound pathways Finally, prospects discussed.