Recently, the research article “Grain-boundary surface terminations incorporating oxygen vacancies for selectively boosting CO2 photoreduction activity” (Nano Energy 84 (2021) 105869), completed by the group of Prof. Hui Xu from Jiangsu University, was published in Nano Energy (IF = 16.602). Jiangsu University is the first completed institution. Ph.D. candidate Xiaojie She is the first author. Prof. Hui Xu is the corresponding author.