AUTHOR=Li Zhiwei , He Le , Zeng Jingbin TITLE=Editorial: Recent Advances in Responsive Optical Nanomaterials JOURNAL=Frontiers in Chemistry VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2021.760187 DOI=10.3389/fchem.2021.760187 ISSN=2296-2646