Defect engineering of NiCo-layered double hydroxide hollow nanocages for highly selective photoreduction of CO2 to CH4 with suppressing H2 evolution

We found that abundant defects could be created in the HC-NiCo-LDH by constructing a hollow nanocage morphology. The HC-NiCo-LDH showed excellent CO₂ photoreduction performance that increasing the CH₄ selectivity while suppressing the H₂ evolution.