Search Results - "Wyrsch, N."

Amorphous silicon-based micro-channel plate detectors with high multiplication gain by Löffler, J., Ballif, C., Wyrsch, N.

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Thin-film silicon solar cell technology by Shah, A. V., Schade, H., Vanecek, M., Meier, J., Vallat-Sauvain, E., Wyrsch, N., Kroll, U., Droz, C., Bailat, J.

“…This paper describes the use, within p–i–n‐ and n–i–p‐type solar cells, of hydrogenated amorphous silicon (a‐Si:H) and hydrogenated microcrystalline silicon…”
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Photovoltaic Technology: The Case for Thin-Film Solar Cells by Shah, A., Torres, P., Tscharner, R., Wyrsch, N., Keppner, H.

“…The advantages and limitations of photovoltaic solar modules for energy generation are reviewed with their operation principles and physical efficiency limits…”
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Status and perspectives of hydrogenated amorphous silicon detectors for MIP detection and beam flux measurements by Menichelli, M., Servoli, L., Wyrsch, N.

“…Hydrogenated amorphous silicon (a-Si:H) particle detectors have been considered as alternatives to crystalline silicon detectors (c-Si) in high radiation…”
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Material and solar cell research in microcrystalline silicon by Shah, A.V, Meier, J, Vallat-Sauvain, E, Wyrsch, N, Kroll, U, Droz, C, Graf, U

“…This contribution describes the introduction of hydrogenated microcrystalline silicon (μc-Si:H) as novel absorber material for thin-film silicon solar cells…”
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Characterization of Amorphous Silicon Based Microchannel Plates with High Aspect Ratio by Frey, S., Loffler, J., Ballif, C., Wyrsch, N.

“…Microchannel plates (MCPs) fabricated out of hydrogenated amorphous silicon offer a promising alternative to conventional lead glass ones. Progress in the…”
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Substrate dependent stability and interplay between optical and electrical properties in μ c -Si:H single junction solar cells by Boccard, M., Cuony, P., Despeisse, M., Dominé, D., Feltrin, A., Wyrsch, N., Ballif, C.

“…In this work, we analyze the effect of rough ZnO front electrodes developed in-house favoring high current versus “smoother” substrates favoring good V oc and…”
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Microcrystalline silicon and ‘micromorph’ tandem solar cells by Shah, Arvind, Meier, J., Vallat-Sauvain, E., Droz, C., Kroll, U., Wyrsch, N., Guillet, J., Graf, U.

“…The case for thin-film silicon as one of the main future options for cost-effective photovoltaic solar cells is outlined. The limitations of present amorphous…”
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Monte Carlo Modeling of Electron Multiplication in Amorphous Silicon Based Microchannel Plates by Loffler, J., Thomet, J., Belhaj, M., Kessel, L. van, Hagen, C. W., Ballif, C., Wyrsch, N.

“…Amorphous silicon based microchannel plates are being developed to overcome performance limits of conventional microchannel plates. They offer a new…”
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Spark protection layers for CMOS pixel anode chips in MPGDs by Bilevych, Y., Blanco Carballo, V.M., Chefdeville, M., Colas, P., Delagnes, E., Fransen, M., van der Graaf, H., Koppert, W.J.C., Melai, J., Salm, C., Schmitz, J., Timmermans, J., Wyrsch, N.

“…In this work we have investigated the functioning of high resistivity amorphous silicon and silicon-rich nitride layers as a protection against discharges in…”
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Radiation hardness of amorphous silicon particle sensors by Wyrsch, N., Miazza, C., Dunand, S., Ballif, C., Shah, A., Despeisse, M., Moraes, D., Powolny, F., Jarron, P.

“…Radiation tests of 32μm thick hydrogenated amorphous silicon n–i–p diodes have been performed using a high-energy 24GeV proton beam up to fluences of…”
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Limiting factors in the fabrication of microcrystalline silicon solar cells and microcrystalline/amorphous ('micromorph') tandems by Meillaud, F., Feltrin, A., Dominé, D., Buehlmann, P., Python, M., Bugnon, G., Billet, A., Parascandolo, G., Bailat, J., Fay, S., Wyrsch, N., Ballif, C., Shah, A.

“…This contribution presents the status of amorphous and microcrystalline silicon solar cells on glass, and discusses some material/fabrication factors that…”
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Hydrogenated Amorphous Silicon Sensor Deposited on Integrated Circuit for Radiation Detection by Despeisse, M., Anelli, G., Jarron, P., Kaplon, J., Moraes, D., Nardulli, A., Powolny, F., Wyrsch, N.

“…Radiation detectors based on the deposition of a 10 to 30 mum thick hydrogenated amorphous silicon (a-Si:H) sensor directly on top of integrated circuits have…”
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Temperature dependence of the optical absorption coefficient of microcrystalline silicon by Poruba, A., Springer, J., Mullerova, L., Beitlerova, A., Vaněček, M., Wyrsch, N., Shah, A.

“…The optical absorption coefficient of amorphous and microcrystalline silicon was determined in a spectral range 400–3100 nm and a temperature range 77–350 K…”
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Microstructure and surface roughness of microcrystalline silicon prepared by very high frequency-glow discharge using hydrogen dilution by Vallat-Sauvain, E, Kroll, U, Meier, J, Wyrsch, N, Shah, A

“…The microstructure of a series of silicon films deposited by very high frequency glow discharge (VHF-GD) with silane concentration in hydrogen varying from…”
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Quantum efficiency measurement of n–i–p a-Si:H photodiode array on CMOS circuit for positron emission tomography (PET) by Nardulli, A., Despeisse, M., Dissertori, G., Dunand, S., Jarron, P., Lustermann, W., Moraes, D., Schinzel, D., Wyrsch, N.

“…Detection of scintillation light from LSO (Lutetiumoxyorthosilicate) crystals used in positron emission tomography (PET) is traditionally based on…”
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Fabrication and Characterization of High Aspect Ratio Amorphous Silicon Based Microchannel Plates by Frey, S., Beygi, M., Loffler, J., Ballif, C., Wyrsch, N.

“…This contribution focuses on the fabrication and characterization of microchannel plates made of hydrogenated amorphous silicon (AMCPs). Flexible fabrication…”
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Electronic transport in hydrogenated microcrystalline silicon: similarities with amorphous silicon by Droz, C, Goerlitzer, M, Wyrsch, N, Shah, A

“…Undoped hydrogenated microcrystalline silicon (μc-Si:H) layers were grown by the very high frequency glow discharge (VHF-GD) technique under various deposition…”
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Intrinsic microcrystalline silicon (μc-Si:H) deposited by VHF-GD (very high frequency-glow discharge): a new material for photovoltaics and optoelectronics by Shah, A., Vallat-Sauvain, E., Torres, P., Meier, J., Kroll, U., Hof, C., Droz, C., Goerlitzer, M., Wyrsch, N., Vanecek, M.

“…The development of μc-Si:H technology and the introduction of intrinsic 〈i〉 μc-Si:H as photovotaically active material is retraced. Special emphasis is laid on…”
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Microcrystalline n-i-p solar cells deposited at 10 angstroms/s by VHF-GD by Feitknecht, L, Kluth, O, Ziegler, Y, Niquille, X, Torres, P, Meier, J, Wyrsch, N, Shah, A

“…In the present paper, we report on thin-film microcrystalline silicon solar cells grown at high deposition rates on back-reflectors with optimized…”
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