On November 21st. Patricio Serafini defended his Phd thesis entitled. “Structural and Processing Modification of Perovskite for the Optimization of Photovoltaic Devices”. His work was supervised by Prof. Iván Mora Seró as well as Dr. Eva Maria Barea Berzosa and got the qualification of Excellent Cum laude. The evaluation committee was formed by Dr. Michele Sessolo ICmol – UV, Dr. Silvia Colella CNR NANOTEC – Istituto di Nanotecnologia Universita` di Bari and Prof. Francisco Fabregat Santiago INAM Universitat Jaume I.