His research activities have been always related to the fabrication and characterization of photovoltaic devices, including the design of photovoltaic systems. Research areas of expertise include: PECDV and HWCVD deposition process, hydrogenated amorphous silicon pin solar cells, Heterojunction with Intrinsic Thin layer (HIT) solar cells, organic solar cells, Thin-film transistors. He has published more that 50 papers in international journals.