Prof. Aldo Di Carlo Aldo Di Carlo is full professor of Optoelectronics and Nanoelectronics at the University of Rome “Tor Vergata” (Italy). His research activities focus in the design, fabrication and characterization of solution-process optoelectronic devices. Since 2006 he is co-director of the Centre for Hybrid and Organic Solar Energy (CHOSE) which involves more than 30 researchers for the development and industrialization of the organic and hybrid organic/inorganic photovoltaic technologies. Di Carlo is author/coauthor of more than 300 scientific publications on international journals, 13 patents, several book chapters and co-author of two books of optoelectronics.
In this communication I will present the efforts made to optimize the efficiency and fabrication technologies to scale-up Perovskite Solar Cells to large area modules. Two deposition techniques were used, namely spin-coating for substrates up to 100 cm2 and air-jet assisted bade coating for larger substrates. Laser processes were used to pattern the substrates and to remove the deposited layers for proper cell interconnections. The optimization of the air-blade deposition resulted in a module with a substrate area of 150 cm2 and active area of 100 cm2 with an efficiency of 9.3%. Spin-coating devices with a substrate area of 100 cm2 and an active area of 60 cm2 were also fabricated. An efficiency exciding 12% was achieved by proper optimization of Electron Transporting Layer. Stability of Pervoskite Modules under accelerated stress test will be also discussed.