Nicolas Würsch

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Publications associées (52)

Characterization of Amorphous Silicon Based Microchannel Plates with High Aspect Ratio

Christophe Ballif, Nicolas Würsch, Janina Christine Isabelle Löffler, Samira Alexandra Frey

Microchannel plates (MCPs) fabricated out of hydrogenated amorphous silicon offer a promising alternative to conventional lead glass ones. Progress in the fabrication process has allowed for detectors with higher aspect ratios, which significantly increase ...

IEEE2019

Monte Carlo Modeling of Electron Multiplication in Amorphous Silicon Based Microchannel Plates

Christophe Ballif, Nicolas Würsch, Jonathan Emanuel Thomet, Janina Christine Isabelle Löffler, Mohamed Belhaj

Amorphous silicon based microchannel plates are being developed to overcome performance limits of conventional microchannel plates. They offer a new flexibility and ease of fabrication. A comprehensive AMCP model is being constructed to analyze the perform ...

IEEE2019

Unsupervised algorithm for disaggregating low-sampling-rate electricity consumption of households

Christophe Ballif, Lionel Benjamin Bloch, Nicolas Würsch, Jordan Holweger, Marina Dorokhova

Non-intrusive load monitoring (NILM) has been extensively researched over the last decade. The objective of NILM is to identify the power consumption of individual appliances and to detect when particular devices are on or off from measuring the power cons ...

2019

Field test and electrode optimization of electrodynamic cleaning systems for solar panels

Christophe Ballif, Aïcha Hessler-Wyser, Nicolas Badel, Antonin Faes, Jacques Levrat, Nicolas Würsch, Matthieu Despeisse

Soiling is the major cause of power loss of photovoltaics (PV) and concentrated solar power (CSP) in desert areas. Electrodynamic cleaning system (EDS) is an automatic and water-free integrated cleaning system for mirrors or solar panels, which uses pulsed ...

WILEY2019

Techno-economic analysis of battery storage and curtailment in a distribution grid with high PV penetration

Nicolas Würsch

Global solar PV capacity continues growing and this technology is a central solution for the global energy transition based on both economic growth and decarbonisation. PV technology is mainly being installed in distribution networks next to the consumptio ...

2018

Amorphous silicon-based micro-channel plate detectors with high multiplication gain

Christophe Ballif, Nicolas Würsch, Janina Christine Isabelle Löffler

ELSEVIER SCIENCE BV2018

Control algorithm for a residential photovoltaic system with storage

Christophe Ballif, Nicolas Würsch, Yannick Samuel Riesen

High penetration of photovoltaic (PV) electricity could affect the stability of the low-voltage grid due to over-voltage and transformer overloading at times of peak production. Residential battery storage can smooth out those peaks and hence contribute to ...

Elsevier Sci Ltd2017

SCCER JA-RED - Description of the multi-energy demonstration system in the RE demo site - Deliverable 1.2.1

Luc Girardin, Lionel Benjamin Bloch, Nicolas Würsch, Jordan Holweger, Hervé Tommasi

In the optic of providing guidelines for the optimal integration of renewable energy in a connected multi-energy context, this report presents EPFL - IPESE and EPFL - PV-lab’s common work on the initial assessment of Romande Energie (RE) demonstration site ...

2017

Review of amorphous silicon based particle detectors: the quest for single particle detection

Christophe Ballif, Nicolas Würsch

Hydrogenated amorphous silicon (a-Si:H) is attractive for radiation detectors because of its radiation resistance and processability over large areas with mature Si microfabrication techniques. While the use of a-Si:H for medical imaging has been very succ ...

Institute of Physics2016

Solar module and its production process

Aïcha Hessler-Wyser, Nicolas Würsch, Laure-Emmanuelle Perret Aebi

The present invention relates to a solar module comprising a front sheet, a transparent solar cell and a structured reflecting layer comprising color patterned portions. The solar cell has a transparency of at least 5%, preferably at least 10%, more prefer ...

2016

Nanocrystalline Silicon Carrier Collectors for Silicon Heterojunction Solar Cells and Impact on Low-Temperature Device Characteristics

Christophe Ballif, Quentin Thomas Jeangros, Stefaan De Wolf, Nicolas Würsch, Franz-Josef Haug, Yannick Samuel Riesen, Johannes Peter Seif, Andrea Tomasi, Gizem Nogay

Silicon heterojunction solar cells typically use stacks of hydrogenated intrinsic/doped amorphous silicon layers as carrier selective contacts. However, the use of these layers may cause parasitic optical absorption losses and moderate fill factor (FF) val ...

Ieee-Inst Electrical Electronics Engineers Inc2016

Fabrication and characterization of monolithically integrated microchannel plates based on amorphous silicon

Christophe Ballif, Nicolas Würsch, Jonas Geissbühler, Andrea Franco

Microchannel plates are vacuum-based electron multipliers for particle—in particular, photon— detection, with applications ranging from image intensifiers to single-photon detectors. Their key strengths are large signal amplification, large active area, mi ...

Nature Publishing Group2014

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