Sophie Cassaignon is Professor in Materials Chemistry at Sorbonne University (Paris, France). She received his B.Sc and M.Sc, in Chemistry from UPMC (Now Sorbonne University). She received her PhD degree in 1998 at the same institution. Currently, she is working in the Laboratory of the Condensed Matter of Paris and her research interests are nanomaterials synthesis, conversion/storage of Energy and (photo)catalysis. She has published more than 60 research articles in peer-reviewed journals.