| 초록 |
Electrochemical CO2 reduction can produce various chemicals. Multiple reaction pathways and intermediates are shared, so product selectivity is sensitively affected by nanostructures. Understanding intrinsic and extrinsic factors are important to achieve target product selectively. Introducing additional surface layer in the nanocatalyst structure can effectively modify the catalytic activity by controlling the binding energy of the reactant/intermediates. For instances, thin layer of carbon based material is introduced on the catalyst surface which can modulate the mass transfer of proton sources, and thus selective CO production can be achieved by decreasing the access of the proton near the active sites. Morphology changes under the catalytic conditions have been concerned as the origin of the deactivation factor of the nanocatalyst. There is high correlation between the particle fragmentation and deactivation of CO2RR to CO production |
