Supplementary Video (VIDEO) National Research Council of Science & Technology This video is under embargo. Please login to access this video. Caption The sources of photos and research results from KIST must be specified.Formation of the FeHCF@NP complex under visible-light irradiation Credit Korea Institute of Science and Technology Usage Restrictions The sources of photos and research results from KIST must be specified. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.