Hai-Feng Ji is currently working as a Professor, in Department of Chemistry, and Drexel University. His research interests focused on drug discovery, MEMS devices, nanomaterials for energy and environmental applications, nanopillars and phosphene for energy applications, and surface chemistry. He is currently a Co-author of 160 peer-viewed journal articles and book chapters. He has an H-index of 30. He is an Editorial board Member of several chemistry journals.