Browsing Research Publications by Business Units "Div-V"

1 cm(2) CH3NH3PbI3 mesoporous solar cells with 17.8% steady-state efficiency by tailoring front FTO electrodes

Afzaal, M.; Yates, H. M.; Walter, A.; Nicolay, S.; Ballif, C. (2017)

In this article, we investigate the effects of atmospheric-pressure chemical vapour deposited fluorine doped tin oxide (FTO) thin films as front electrodes for the fabrication of mesoporous perovskite solar cells with an ...

22% Efficient Dopant-free Interdigitated Back Contact Silicon Solar Cells

Wu, W. L.; Lin, W. J.; Zhong, S. H.; Paviet-Salomon, B.; Despeisse, M.; Liang, Z. C.; et al. (2018)

In this study, we present dopant-free back contact heterojunction silicon solar cells employing MoOx and MgFx based stacks as hole-and electron-selective contacts deposited using a thermal evaporation process at low ...

22.8% full-area bifacial n-PERT solar cells with rear side sputtered poly-si(n) passivating contact

Ingenito, A.; Allebé, C.; Libraro, S.; Ballif, C.; Paviet-Salomon, B.; Nicolay, S.; Diaz Leon, J. J. (2023-01)

25.1%-Efficient Monolithic Perovskite/Silicon Tandem Solar Cell Based on a p-type Monocrystalline Textured Silicon Wafer and High-Temperature Passivating Contacts

Nogay, G.; Sahli, F.; Werner, J.; Monnard, R.; Boccard, M.; Despeisse, M.; et al. (2019)

A monolithic two-terminal perovskite/silicon tandem solar cell based on an industrial, high-temperature tolerant p-type crystalline silicon bottom cell with a steady-state power conversion efficiency of 25.1% is demonstrated.

A comparative performance analysis of stand-alone, off-grid solar-powered sodium hypochlorite generators

Chinello, E.; Modestino, M. A.; Schuttauf, J. W.; Coulot, L.; Ackermann, M.; Gerlich, F.; et al. (2019)

Sodium hypochlorite (NaClO) is a chemical commodity widely employed as a disinfection agent in water treatment applications. Its production commonly follows electrochemical routes in an undivided reactor. Powering the ...

A Hybrid Learning Method for System Identification and Optimal Control

Schubnel, B.; Carrillo, R.; Alet, P.-J.; Hutter, A. (2020-10)

A Mixed-Phase SiOx Hole Selective Junction Compatible with High Temperatures Used in Industrial Solar Cell Manufacturing

Wyss, P.; Stuckelberger, J.; Nogay, G.; Horzel, J.; Jeangros, Q.; Mack, I.; et al. (2020-11)

A passivating contact concept compatible with a short thermal treatment

Ingenito, A.; Allebe, C.; Nogay, G.; Horzel, J.; Wyss, P.; Stuckelberger, J. A.; et al. (2018)

In this study we present a boron-doped silicon carbide layers as a hole-selective contact which is compatible with short annealing time (typically < 1 minute) as the one used for firing of metal pastes. The application of ...

A passivating contact for silicon solar cells formed during a single firing thermal annealing

Ingenito, A.; Nogay, G.; Jeangros, Q.; Rucavado, E.; Allebe, C.; Eswara, S.; et al. (2018)

Passivating contacts are indispensable for achieving high conversion efficiency in crystalline-silicon solar cells. Their realization and integration into a convenient process flow have become crucial research objectives. ...

A Physically-Based Electrical Model for Lithium-Ion Cells

Brivio, C.; Musolino, V.; Merlo, M.; Ballif, C. (2019)

Prediction of battery performance is essential in assessing the technical and economic viability of battery systems. We present a novel impedance-based model of a lithium-ion cell that accounts for the dynamic response of ...

A real-time optimal inverse planning for Gamma Knife radiosurgery by convex optimization: description of the system and first dosimetry data

Levivier, M.; Carrillo, R. E.; Charrier, R.; Martin, A.; Thiran, J. P. (2018)

OBJECTIVE The authors developed a new, real-time interactive inverse planning approach, based on a fully convex framework, to be used for Gamma Knife radiosurgery. METHODS The convex framework is based on the precomputation ...

A virtual test-bed for building Model Predictive Control developments

Sterling, R.; Febres, J.; Costa, A.; Mohammadi, A.; Carrillo, R. E.; Schubnel, B.; Stauffer, Y.; De Cinque, P.; Keane, M. M. (2019)

This paper presents the result of the work performed to develop a virtual test-bed for development and testing of Model Predictive Controllers within the district cooling networks field. These controllers are used for its ...

A" combi-encapsulant" for enhanced performance of glass-free lightweight crystalline silicon solar PV modules

Lisco, F.; Virtuani, A.; Ballif, C. (2021-06)

Advanced method for electrical characterization of carrier-selective passivating contacts using transfer-lengthmethod measurements under variable illumination

Geissbühler, J.; Allebé, C.; Badel, N.; Wyss, P. (2021-04)

Advanced Silicon Thin Films for High-Efficiency Silicon Heterojunction-Based Solar Cells

Descoeudres, A.; Allebe, C.; Badel, N.; Barraud, L.; Champliaud, J.; Christmann, G.; et al. (2017)

The drop in passivation usually observed after the deposition of the p-doped amorphous silicon (a-Si:11) layer on top of the passivating intrinsic buffer a-Si:H layer during the fabrication of silicon heterojunction (SHJ) ...

Aluminium-Doped Zinc Oxide Rear Reflectors for High-Efficiency Silicon Heterojunction Solar Cells

Senaud, L.-L.; Christmann, G.; Descoeudres, A.; Geissbuhler, J.; Barraud, L.; Badel, N.; Allebe, C.; Nicolay, S.; Despeisse, M.; Paviet-Salomon, B.; Ballif, C. (2019)

This contribution demonstrates an improved infrared response of the rear reflector of monofacial silicon heterojunction solar cells using aluminium-doped zinc oxide (AZO) in lieu of indium tin oxide (ITO) in the back ...

Amorphous/Crystalline Silicon Interface Stability: Correlation between Infrared Spectroscopy and Electronic Passivation Properties

Holovsky, J.; De Nicolas, S. M.; De Wolf, S.; Ballif, C. (2020-10)