BiographyChristophe Ballif is director of the Phototovoltaics and Thin Film Electronics Laboratoryb) (PV-Lab at the institute of microengineering (IMT) in Neuchâtel (part of the EPFL since 2009). The lab focus is on the science and technology of high efficiency heterojunction crystalline cells,so-called passivating contacts for solar cells, multi-junction solar cells including reccord novel generation Perovskite on silicon tandem cells, on innovative optical high speed detector and on various macroelectronics application. It also deals with energy management with a focus on integration of solar electricity into the energy system. The PV-Lab has strongly contributed to technology transfer and industrialization of novel devices and full technology with numerous companies.
Christophe Ballif graduated as a physicist from the EPFL in 1994, where he also obtained in 1998 his Phd degree working on novel PV materials. He accomplished his postdoctoral research at NREL (Golden, US) on compound semiconductor solar cells (CIGS and CdTe). He worked then at the Fraunhofer ISE (Ge) on crystalline silicon photovoltaics (monocrystalline and multi-crystalline) until 2003 and then at the EMPA in Thun (CH) before becoming full professor at the University of Neuchâtel IMT in 2004, taking over the chair of Prof. A. Shah.
Since 2013, C.Ballif is also the director of the CSEM Sustainable Energy Center, also located in Neuchâtel. This Center focuses on industrialisation and technology transfer in the field of solar energy, including energy management and storage. CSEM operates several "pilot lines" for various kinds of solar cells manufacturing, with advanced coating technologies, wet chemistry processes for crystalline silicon, metalisation techniques for solar cells, perovskite and tandem solar cells, as well as unique platform for developing "ideal packaging solutions and polymers" for PV modules. In addition, joined facitilites between CSEM and EPFL of over 800 m2 are available for modules manufacturing, measurement and accelerated aging test. CSEM has also full teams dedicated to storage (from front end batteries to advanced BMS systems), and digitalisation of the energy systems.
He (co-) authored over 600 journal and technical papers, as well as several patents. He is an elected member of the SATW, member of the scientific council of the Swiss AEE, and member of the board of the EPFL Energy center. In 2016, he recieved the Becquerel prize for his contributions to the field of high efficiency photovoltaics.
Teaching & PhD
Doctoral Program in Materials Science and Engineering
Doctoral Program in Chemistry and Chemical Engineering
Doctoral Program in Photonics
Doctoral Program in Energy
Doctoral Program in Physics
Doctoral program in advanced manufacturing
PhD StudentsArriaga Arruti Olatz, Artuk Kerem, Borja Block Alejandro, Can Hilal Aybike, Cauz Marine Dominique C., Dussouillez Marion Solange Madeleine, Frey Samira Alexandra, Genç Ezgi, Guesnay Quentin Jean-Marie Armand, Hurni Julien, Jeannin Noémie Alice Yvonne Ségolène, Marthey Lison Sylou, Quest Hugo James André, Türkay Deniz, Zeder Simon Jérôme, Özkalay Ebrar,
Past EPFL PhD StudentsAnnigoni Eleonora , Antognini Luca Massimiliano , Biron Rémi , Bloch Lionel Benjamin , Boccard Mathieu Gérard , Bugnon Grégory , Cattin Jean , Cuony Peter , Demaurex Bénédicte , Ding Laura , Dorokhova Marina , Dreon Julie Amandine , Fanni Lorenzo , Fiala Peter Joseph , Franco Andrea , Geissbühler Jonas , Gnocchi Luca , Holweger Jordan , Hänni Simon , Lanz Thomas Andreas , Lehmann Mario Joe , Li Hengyu , Löffler Janina Christine Isabelle , Nogay Gizem , Oliveira Martins Ana Cristina , Riesen Yannick Samuel , Rucavado Leandro Oscar Esteban , Sahli Florent , Seif Johannes Peter , Senaud Laurie-Lou , Stückelberger Josua Andreas , Stückelberger Michael Elias , Söderström Karin , Tomasi Andrea , Tuomiranta Arttu Matias , Werner Jérémie ,
- Current and future CO2 and CO2 equivalent emissions, impact on climate
- Available resources and their properties (finite resources like fossil, nuclear fuel, vs hydro, non-hydro, renewable resources such as solar, wind, geothermal biomass)
- Energy statistics, direct cost of various energy sou