WELCOME! LEAN is a research group being part of the Humanities and Nature Science Center (CCNH) at Federal University of ABC (UFABC). Our research focuses on developing inexpensive, scalable and economically feasible bottom-up strategies to fabricate nanostructured semiconductor materials using earth abundant element for solar energy conversion devices. We are interested in solving problems related to chemical reaction and charge-transfer processes at solid-solid and solid-liquid interfaces in order to improve the photoelectrochemical device performance.