Sarah Kheireddine is a PhD candidate in the department of Chemistry at the Institute of research on catalysis and the environment of Lyon – IRCELYON. She has been a researcher in Catalyze in IRCELYON since 2016. Her current research is concerned with understanding the acidity of graphene oxide by different technics of characterization and by conversion of carbohydrates. She has worked on photocatalyze during her internship for her master in catalyze and physical chemistry.