Andrea Tomasi

Cette personne n’est plus à l’EPFL

Publications associées (13)

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Back-Contacted Silicon Heterojunction Solar Cells: Optical-Loss Analysis and Mitigation

Christophe Ballif, Antoine Descoeudres, Matthieu Despeisse, Bertrand Yves Paul Paviet-Salomon, Sylvain Nicolay, Stefaan De Wolf, Andrea Tomasi, Loris Barraud

We analyze the optical losses that occur in interdigitated back-contacted amorphous/crystalline silicon heterojunction solar cells. We show that in our devices, the main loss mechanisms are similar to those of two-side contacted heterojunction solar cells. ...

Ieee-Inst Electrical Electronics Engineers Inc2015

Silicon Heterojunction Solar Cells With Copper-Plated Grid Electrodes: Status and Comparison With Silver Thick-Film Techniques

Christophe Ballif, Quentin Thomas Jeangros, Antoine Descoeudres, Antonin Faes, Jonas Geissbühler, Nicolas Badel, Matthieu Despeisse, Andrea Tomasi, Stefaan De Wolf, Loris Barraud

Copper electroplating is investigated and compared with common silver printing techniques for the front metallization of silicon heterojunction solar cells. We achieve smaller feature sizes by electroplating, significantly reducing optical shadowing losses ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Back-Contacted Silicon Heterojunction Solar Cells With Efficiency >21%

Christophe Ballif, Antoine Descoeudres, Bertrand Yves Paul Paviet-Salomon, Jonas Geissbühler, Stefaan De Wolf, Andrea Tomasi, Silvia Martin de Nicolas Agut

We report on the fabrication of back-contacted silicon heterojunction solar cells with conversion efficiencies above 21%. Our process technology relies solely on simple and size-scalable patterning methods, with no high-temperature steps. Using in situ sha ...

Ieee-Inst Electrical Electronics Engineers Inc2014

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Silicon Heterojunction Solar Cells With Copper-Plated Grid Electrodes: Status and Comparison With Silver Thick-Film Techniques

Christophe Ballif, Quentin Thomas Jeangros, Antoine Descoeudres, Antonin Faes, Jonas Geissbühler, Nicolas Badel, Matthieu Despeisse, Andrea Tomasi, Stefaan De Wolf, Loris Barraud

Ieee-Inst Electrical Electronics Engineers Inc2014

Back-Contacted Silicon Heterojunction Solar Cells With Efficiency >21%

Christophe Ballif, Antoine Descoeudres, Bertrand Yves Paul Paviet-Salomon, Jonas Geissbühler, Stefaan De Wolf, Andrea Tomasi, Silvia Martin de Nicolas Agut

Ieee-Inst Electrical Electronics Engineers Inc2014

Back-Contacted Silicon Heterojunction Solar Cells: Optical-Loss Analysis and Mitigation

Christophe Ballif, Antoine Descoeudres, Matthieu Despeisse, Bertrand Yves Paul Paviet-Salomon, Sylvain Nicolay, Stefaan De Wolf, Andrea Tomasi, Loris Barraud

Ieee-Inst Electrical Electronics Engineers Inc2015