Browsing CSEM Archive by Research Areas "Energy Harvesting"

Mid-infrared characterization and modelling of transparent conductive oxides

Ananthanarayanan, D.; Leon, J. J. D.; Wong, J.; Nicolay, S.; Aberle, A. G.; Ho, J. W. (2020-10)

Multiple dehydrogenation reactions of negative ions in low pressure silane plasma chemistry

Howling, A. A.; Descoeudres, A.; Hollenstein, C. (2020)

Nouvelles techniques de contrôle optique de composants en matériaux non-métalliques pour des applications horlogères

Dagon, M.; Vallat, E.; Sereda, O.; Gobet, J.; Zabihzadeh, S.; Marquis Weible, F. (2020-12)

Optical enhancement of a printed organic tandem solar cell using diffractive nanostructures

Mayer, J. A.; Offermans, T.; Chrapa, M.; Pfannmoller, M.; Bals, S.; Ferrini, R.; et al. (2018)

Solution processable organic tandem solar cells offer a promising approach to achieve cost-effective, lightweight and flexible photovoltaics. In order to further enhance the efficiency of optimized organic tandem cells, ...

Optimization of tunnel junction IBC solar cells based on a series resistance model

Lachenal, D.; Papet, P.; Legradic, B.; Kramer, R.; Kossler, T.; Andreetta, L.; et al. (2019)

This work presents the upscaling of the tunnel IBC technology on large area, Czochralski (Cz) n-type wafers. At the junction level, a self-aligned PECVD masking technology has been developed for the deposition of hydrogenated ...

Organic–inorganic halide perovskite/crystalline silicon four-terminal tandem solar cells

Löper, Philipp.; Moon, Soo-Jin.; Martín de Nicolas, Sílvia.; Niesen, Bjoern.; Ledinsky, Martin.; Nicolay, Sylvain.; Bailat, Julien.; Yum, Jun-Ho.; De Wolf, Stefaan.; Ballif, Christophe. (2014)

Tandem solar cells constructed from a crystalline silicon (c-Si) bottom cell and a low-cost top cell offer a promising way to ensure long-term price reductions of photovoltaic modules. We present a four-terminal tandem ...

Outdoor performance of organic photovoltaics at two different locations: A comparison of degradation and the effect of condensation

Soares, G. A.; David, T. W.; Anizelli, H.; Miranda, B.; Rodrigues, J.; Lopes, P.; et al. (2020-11)

Pathways to electrochemical solar-hydrogen technologies

Ardo, S.; Rivas, D. F.; Modestino, M. A.; Greiving, V. S.; Abdi, F. F.; Llado, E. A.; et al. (2018)

Solar-powered electrochemical production of hydrogen through water electrolysis is an active and important research endeavor. However, technologies and roadmaps for implementation of this process do not exist. In this ...

Patterning solar cell metal grids on transparent conductive oxides using self-assembled phosphonic acid monolayers

Andreatta, Gaëlle Anne Léonie; Lachowicz, Agata; Blondiaux, Nicolas; Allebé, Christophe; Faes, Antonin (2019-12-01)

We present a novel, simple and cost-effective method for patterning transparent conductive oxides (TCO) in order to form solar cell's metal grid by electro-plating. Self-assembled monolayers (SAMs) are prepared by dipping ...

Phosphorous-Doped Silicon Carbide as Front-Side Full-Area Passivating Contact for Double-Side Contacted c-Si Solar Cells

Ingenito, A.; Nogay, G.; Stuckelberger, J.; Wyss, P.; Gnocchi, L.; Allebé, C.; Horzel, J.; Despeisse, M.; Haug, F.-J.; Löper, P.; Ballif, C. (2019)

We present an electron selective passivating contact based on a tunneling SiO. capped with a phosphorous doped silicon carbide and prepared with a high-temperature thermal anneal. We investigate in detail the effects of ...

Porous multi junction thin-film silicon solar cells for splitting

Trompoukis, C.; Abass, A.; Schuttauf, J. W.; Bosserez, T.; Ronge, J.; Lauwaert, J.; et al. (2018)

Monolithic solar water splitting devices implemented in an integrated design approach, i.e. submerged in the electrolyte, pose a significant limitation when it comes to up-scaling. The ion transport distances around the ...

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

Song, Z. N.; Werner, J.; Shrestha, N.; Sahli, F.; De Wolf, S.; Niesen, B.; et al. (2016)

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 ...

Quantifying and Modeling the Impact of Interconnection Failures on the Electrical Performance of Crystalline Silicon Photovoltaic Modules

Annigoni, E.; Virtuani, A.; Levrat, J.; Faes, A.; Despeisse, M.; Ballif, C.; et al. (2018)

We present an electrical model developed with LT SPICE that simulates the performance of a string of cells with disconnections in the electrical circuit. In a previous contribution, we quantified experimentally how the ...

Robust Glass-Free Lightweight Photovoltaic Modules With Improved Resistance to Mechanical Loads and Impact

Martins, A. C.; Chapuis, V.; Virtuani, A.; Ballif, C. (2019)

In several countries, building-integrated photovoltaics (PV) solutions could contribute to the growth of total installed PV capacity. However, in some circumstances, the relative high weight (10-15 kg/m(2)) and lack of ...

Self-contained optical enhancement film for printed photovoltaics

Mayer, J. A.; Gallinet, B.; Offermans, T.; Zhurminsky, I.; Ferrini, R. (2017)

Printed photovoltaics promise lightweight and flexible light harvesting devices for conformal integration into buildings, portable electronics or vehicles. This is enabled by employing thin photoactive layers, which can ...

Smart Body Sensors - Lebensqualität oder Überwachung

Schmid, David (2023-02-24)

Smart Watches und Activity Trackers zeigen uns, was unser Körper leistet. Wieso wollen wir das wissen, was fangen wir mit den Informationen an? Was wird eigentlich gemessen und wie funktionieren Sensoren, welche diese ...

Solar Cell Antenna for IoT and Wearble Applications

Vorobyov, Alexander; Dallemagne, Philippe; Hennemann, Cédric (2019-09-03)

In this paper a promising photovoltaic cell antenna solution for Internet of Things (IoT) and wearable applications is presented. In the proposed solution no physical modification of the photovoltaic cell is needed. The ...

Sputter deposition technology for Al(1?x)ScxN films with high Sc concentration

Heinz, B.; Mertin, S.; Rattunde, O.; Dubois, M. A.; Nicolay, S.; Christmann, G.; et al. (2017)

Aluminium scandium nitride (Al1-xScxN) with its strongly enhanced piezoelectric response is the upcoming piezoelectric material of choice in next generation RF filters, sensors, actuators and energy harvesting devices. ...

The versatility of passivating carrier-selective silicon thin films for diverse high-efficiency screen-printed heterojunction-based solar cells

Descoeudres, A.; Horzel, J.; Paviet-Salomon, B.; Senaud, L. L.; Christmann, G.; Geissbuhler, J.; et al. (2020-02)

Thermo-mechanical stability of lightweight glass-free photovoltaic modules based on a composite substrate

Martins, A. C.; Chapuis, V.; Virtuani, A.; Li, H. Y.; Perret-Aebi, L. E.; Ballif, C. (2018)

Lightweight PV modules are attractive for building-integrated photovoltaic (BIPV) applications, especially for renovated buildings, where the additional load bearing capacity is limited. This work focuses on the development ...