Markovic’s major research interest is understanding surface processes at the electrified metal-solution interfaces. By using surface-sensitive probes in combination with vibrational spectroscopy (FTIR, ATR) and classical electrochemical methods, he established relations between the microscopic surface structures of metallic single crystal surfaces and the rates of electrochemical reactions. This knowledge has been used to improve energy conversion and storage. Markovic is the author of more then 190 papers in the field of catalysis and surface electrochemistry.