The EPFL is an engineering college active in education and research, founded in 1969. It covers disciplines ranging from the Basic Sciences to Engineering, Architecture and the Life Sciences. Its main campus brings together over 13,000 persons, students, researchers and staff. The Photovoltaics-Laboratory (PV-Lab) of IMT, founded in 1984 by Prof. Arvind Shah and headed by Prof. Christophe Ballif since 2004, is the EPFL research laboratory taking part to NextBase. PV-Lab has pioneered several new processes for the preparation of thin-film silicon PV materials and simple fabrication of heterojunction crystalline cells.