Personne

Jérémie Werner

Cette personne n’est plus à l’EPFL

Publications associées (27)

Zinc tin oxide as high-temperature stable recombination layer for mesoscopic perovskite/silicon monolithic tandem solar cells

Christophe Ballif, Davide Sacchetto, Xavier Niquille, Arnaud Walter, Stefaan De Wolf, Sylvain Nicolay, Björn Niesen, Monica Morales Masis, Soo-Jin Moon, Jérémie Werner, Philipp Friedrich Hermann Löper, Oscar Esteban Rucavado Leandro

Perovskite/crystalline silicon tandem solar cells have the potential to reach efficiencies beyond those of silicon single-junction record devices. However, the high-temperature process of 500 °C needed for state-of-the-art mesoscopic perovskite cells has, ...

American Institute of Physics2016

Probing Photocurrent Nonuniformities in the Subcells of Monolithic Perovskite/Silicon Tandem Solar Cells

Christophe Ballif, Florent Sahli, Stefaan De Wolf, Björn Niesen, Jérémie Werner, Randall Ellingson

Perovskite/silicon tandem solar cells with high power conversion efficiencies have the potential to become a commercially viable photovoltaic option in the near future. However, device design and optimization is challenging because conventional characteriz ...

Amer Chemical Soc2016

In Situ TEM Analysis of Organic-Inorganic Metal-Halide Perovskite Solar Cells under Electrical Bias

Christophe Ballif, Aïcha Hessler-Wyser, Quentin Thomas Jeangros, Björn Niesen, Jérémie Werner, Martial Duchamp

Changes in the nanostructure of methylammonium lead iodide (MAPbI(3)) perovskite solar cells are assessed as a function of current-voltage stimulus by biasing thin samples in situ in a transmission electron microscope. Various degradation pathways are iden ...

American Chemical Society2016

Efficient Near-Infrared-Transparent Perovskite Solar Cells Enabling Direct Comparison of 4-Terminal and Monolithic Perovskite/Silicon Tandem Cells

Christophe Ballif, Davide Sacchetto, Nicolas Tétreault, Bertrand Yves Paul Paviet-Salomon, Florent Sahli, Arnaud Walter, Matthieu Despeisse, Stefaan De Wolf, Sylvain Nicolay, Björn Niesen, Soo-Jin Moon, Loris Barraud, Jérémie Werner, Matthias Wolfgang Bräuninger

Combining market-proven silicon solar cell technology with an efficient wide band gap top cell into a tandem device is an attractive approach to reduce the cost of photovoltaic systems. For this, perovskite solar cells are promising high-efficiency top cel ...

Amer Chemical Soc2016

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The complex refractive index (dielectric function) of planar CH3NH3PbI3 thin films at room temperature is investigated by variable angle spectroscopic ellipsometry and spectrophotometry. Knowledge of the complex refractive index is essential for designing ...

Amer Chemical Soc2015

Sputtered rear electrode with broadband transparency for perovskite solar cells

Christophe Ballif, Arnaud Walter, Stefaan De Wolf, Sylvain Nicolay, Björn Niesen, Monica Morales Masis, Soo-Jin Moon, Jérémie Werner, Philipp Friedrich Hermann Löper, Guy Joseph Günter Dubuis

Due to their high efficiencies combined with simple and cost-effective device fabrication, perovskite solar cells are promising candidates as top cells in tandem devices. For this application, the perovskite solar cell must be highly transparent at near-in ...

Elsevier2015

22.5% efficient silicon heterojunction solar cell with molybdenum oxide hole collector

Christophe Ballif, Aïcha Hessler-Wyser, Matthieu Despeisse, Stefaan De Wolf, Sylvain Nicolay, Björn Niesen, Loris Barraud, Jérémie Werner, Andrea Tomasi

Substituting the doped amorphous silicon films at the front of silicon heterojunction solar cells with wide-bandgap transition metal oxides can mitigate parasitic light absorption losses. This was recently proven by replacing p-type amorphous silicon with ...

American Institute of Physics2015

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