Dr David S. M. Ribeiro is a Researcher at the Laboratory of Applied Chemistry (LAQV), REQUIMTE, Faculty of Pharmacy, University of Porto. He earned his PhD in Pharmaceutical Sciences with a focus on Analytical Chemistry from the University of Porto in 2012. Since 2019, he has been a researcher at LAQV REQUIMTE. His research focuses on the synthesis and characterisation of semiconductor quantum dots (QDs) with binary and ternary compositions (e.g., CdTe and AgInS₂ QDs) and carbon dots (CDs). His work has led to 65 publications in international peer-reviewed journals, several oral presentations, and poster communications at national and international conferences. His research interests include nanomaterials, semiconductor quantum dots, carbon dots, chemiluminescence, photoluminescence, and chemometric analysis.