AUTHOR=Dong Pengyu , Dong Fan , Fiorenza Roberto TITLE=Editorial: Photocatalysts for Air Purification: Design, Synthesis, and Mechanism Investigations JOURNAL=Frontiers in Chemistry VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2022.870550 DOI=10.3389/fchem.2022.870550 ISSN=2296-2646