AUTHOR=Chi Feng , Xu Qiang , Long Xi TITLE=Editorial: Physical Model and Applications of High-Efficiency Electro-Optical Conversion Devices JOURNAL=Frontiers in Physics VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2021.819303 DOI=10.3389/fphy.2021.819303 ISSN=2296-424X