Oxygen‐Vacancy‐Regulated Piezoelectric Field‐Assisted Photocatalytic Nitrogen Fixation Over La2Ti2O7 Nanosheets
Photocatalytic nitrogen fixation is commonly limited by sluggish N2 activation and rapid recombination of photogenerated charge carriers. Here, layered piezoelectric La2Ti2O7 (LTO) nanosheets were used as a model oxide, and Ti3+‐associated oxygen vacancies were introduced by Ar/H2 reduction. Oxygen vacancies created el...