Polycarpos Falaras is Research Director at the National Center for Scientific Research “Demokritos”-NCSRD (Athens, Greece), working on nanomaterials and nanotechnology-driven processes for solar energy conversion to electricity (third generation solar cells: perovskite, dye-sensitized, quantum dot,) and environmental protection (photocatalysis, membrane reactors). In parallel, he is teaching Physical Chemistry at the Hellenic Open University. Polycarpos was the Director of the Institute of Physical Chemistry at NCSRD (2007-2012) and has been involved (including coordination) in many EU (HORIZON 2020, FP7, FP6) and National projects. In 2014 he received the prestigious PSIPW “Alternative Water Resources” Award and since 2018 his serves as Associate Editor of Applied Catalysis B Environmental (I.F.: 19.503) journal.