Browsing CSEM Archive by Research Areas "Energy Harvesting"

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 ...

A transparent, solvent-free laminated top electrode for perovskite solar cells

Makha, M.; Fernandes, S. L.; Jenatsch, S.; Offermans, T.; Schleuniger, J.; Tisserant, J. N.; et al. (2016)

A simple lamination process of the top electrode for perovskite solar cells is demonstrated. The laminate electrode consists of a transparent and conductive plastic/metal mesh substrate, coated with an adhesive mixture of ...

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

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

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)

Atomic Layer Deposited Electron Transport Layers in Efficient Organometallic Halide Perovskite Devices

McCarthy, M. M.; Walter, A.; Moon, S. J.; Noel, N. K.; O''Brien, S.; Pemble, M. E.; et al. (2018)

Amorphous TiO2 and SnO2 electron transport layers (ETLs) were deposited by low-temperature atomic layer deposition (AM. Surface morphology and x-ray photoelectron spectroscopy (ITS) indicate uniform and pinhole free coverage ...

Autonomous Electrical Current Monitoring System for Aircraft

Blagojevic, Marjan; Dieudonné, Anca; Kamecki, Louis; Kiziroglou, Michail; Krastev, Krassimir; Marty, David; Piguet, Damien; Spasic, Sasa; Wright, Steven; Yeatman, Eric (2022)

Aircraft monitoring systems offer enhanced safety, reliability, reduced maintenance cost and improved overall flight efficiency. Advancements in wireless sensor networks (WSN) are enabling unprecedented data acquisition ...

Carrier scattering mechanisms limiting mobility in hydrogen-doped indium oxide

Husein, S.; Stuckelberger, M.; West, B.; Ding, L.; Dauzou, F.; Morales-Masis, M.; et al. (2018)

Hydrogen-doped indium oxide (IO:H) has recently garnered attention as a high-performance transparent conducting oxide (TCO) and has been incorporated into a wide array of photovoltaic devices due to its high electron ...

Design of periodic nano- and macro-scale textures for high-performance thin-film multi-junction solar cells

Krc, J.; Sever, M.; Kovacic, M.; Moulin, E.; Campa, A.; Lipovsek, B.; et al. (2016)

Surface textures in thin-film silicon multi-junction solar cells play an important role in gaining the photocurrent of the devices. In this paper, a design of the textures is carried out for the case of amorphous ...

Digital OPLL-based distributed Brillouin sensing system in optical fibers

Chin, Sanghoon; Denis, Séverine; Kundermann, Stefan; Brasch, Victor; Lecomte, Steve (2022-05-23)

A digital optical phase-locked loop (OPLL) has been implemented to develop a distributed Brillouin sensing system in optical fibers. In our experiment, two commercial semiconductor lasers are phase-locked to each other ...

Effect of Cooling Press on the Optical Transmission Through Photovoltaic Encapsulants

Li, Heng-Yu.; Luo, Yun.; Ballif, Christophe.; Perret-Aebi, Laure-Emmanuelle. (2015)

In certain laminators for poly (ethylene-co-vinyl acetate) (EVA) encapsulation process of photovoltaic modules, cooling press (CP) is applied to the module after encapsulation. Here, the effect of CP on the optical ...

Effects of Work Function and Electron Affinity on the Performance of Carrier-Selective Contacts in Silicon Solar Cells Using ZnSnx Ge1?xN2 as a Case Study

Fébba, D.; Paratte, V.; Antognini, L.; Dréon, J.; Hurni, J.; Thomet, J.; Rubinger, R.; Bortoni, E.; Ballif, C.; Boccard, M. (2021-09)

Efficient Through-Waveguide Wireless Power Transfer for Body Area Networks

Vorobyov, Alexander; Kopta, Vladimir; Farserotu, John (2017-10-04)

This paper focuses on a solution for wireless powering of sensor nodes embedded in an artificial “skin”, used to provide a sense of touch to persons using prosthetic limbs. The artificial “skin”, that consists of an inner ...

Energy-Autonomous MCU Operating in sub-VT Regime with Tightly-Integrated Energy-Harvester : A SoC for IoT smart nodes containing a MCU with minimum-energy point of 2.9pJ/cycle and a harvester with output power range from sub-ÂµW to 4.32mW

Deng, J.; Nagel, J.; Zahnd, L.; Pons, M.; Ruffieux, D.; Arm, C.; Persechini, P.; Emery, S. (2019)

We describe a SoC achieving zero-net-energy operation by using energy harvesting and sub-threshold design. It consists of a microcontroller for data acquisition, data processing, and communication and an energy harvester ...

EVA for Glass/Glass Solar PV Modules: Effect of encasulant storage conditions and process parameters

Gnocchi, L.; Virtuani, A.; Ballif, C. (2021-06)

Fast and Nondestructive Detection on the EVA Gel Content in Photovoltaic Modules by Optical Reflection

Li, Heng-Yu.; Luo, Yun.; Ballif, C.; Perret-Aebi, L.-E. (2015)

Poly(ethylene-co-vinyl acetate) (EVA) has been the dominating material in the photovoltaic (PV) encapsulant market for decades, owing to its superior cost-performance balance. To achieve its desired material properties, ...

Industrialization of hybrid Si/III–V and translucent planar micro-tracking modules

Nardin, G.; Domínguez, C.; Aguilar, Á. F.; Anglade, L.; Duchemin, M.; Schuppisser, D.; Gerlich, F.; Ackermann, M.; Coulot, L.; Cuénod, B.; Petri, D.; Niquille, X.; Badel, N.; Lachowicz, A.; Despeisse, M.; Levrat, J.; Ballif, C.; Askins, S.; Núñez, R.; Jost, N.; Vallerotto, G. (2020-12-21)

Interdigitated back contact silicon heterojunction solar cells featuring an interband tunnel junction enabling simplified processing

Paviet-Salomon, B.; Tomasi, A.; Lachenal, D.; Badel, N.; Christmann, G.; Barraud, L.; et al. (2018)

This paper reports on the development of an innovative back-contacted crystalline silicon solar cell with passivating contacts featuring an interband tunnel junction at its electron-collecting contacts. In this novel ...