Browsing by Author "Nicolay, S."
Now showing items 1-16 of 16
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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 ... -
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 ... -
Comparison of Indium Tin Oxide and Indium Tungsten Oxide as Transparent Conductive Substrates for WO3-Based Electrochromic Devices
Maho, A.; Nicolay, S.; Manceriu, L.; Spronck, G.; Henrist, C.; Cloots, R.; et al. (2017)We compare two different transparent conducting oxides (TCO), namely indium tin oxide (ITO) and indium tungsten oxide (IWO), as substrates for the preparation of electrochromically active tungsten oxide (WO3) thin films ... -
Instability of p-i-n perovskite solar cells under reverse bias
Razera, R.A.Z.; Jacobs, D. A.; Fu, F.; Fiala, P.; Dussouillez, M.; Sahli, F.; Yang, T.C.J.; Ding, L.; Walter, A.; Feil, A. F.; Boudinov, H. I.; Nicolay, S.; Ballif, C.; Jeangros, Q. (2020-01)Partial shading can trigger permanent damage in photovoltaic modules because the illuminated solar cells drive the shaded cells into reverse bias. Under reverse bias conditions, perovskite solar cells have been shown to ... -
Light-induced performance increase of silicon heterojunction solar cells
Kobayashi, E.; De Wolf, S.; Levrat, J.; Christmann, G.; Descoeudres, A.; Nicolay, S.; et al. (2016)Silicon heterojunction solar cells consist of crystalline silicon (c-Si) wafers coated with doped/intrinsic hydrogenated amorphous silicon (a-Si:H) bilayers for passivating-contact formation. Here, we unambiguously demonstrate ... -
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) -
Palliating the efficiency loss due to shunting in perovskite/silicon tandem solar cells through modifying the resistive properties of the recombination junction
Blaga, C.; Christmann, G.; Boccard, M.; Ballif, C.; Nicolay, S.; Kamino, B. A. (2021-01) -
Parasitic Absorption Reduction in Metal Oxide-Based Transparent Electrodes: Application in Perovskite Solar Cells
Werner, J.; Geisskihler, J.; Dabirian, A.; Nicolay, S.; Morales-Masis, M.; De Wolf, S.; et al. (2016)Transition metal oxides (TMOs) are commonly used in a wide spectrum of device applications, thanks to their interesting electronic, photochromic, and electrochromic properties. Their environmental sensitivity, exploited ... -
Patterning Techniques for Copper Electoplated Metallization of Silicon Heterojunction Cells
Lachowicz, A.; Andreatta, G.; Blondiaux, N.; Faes, A.; Diaz Leon, J.; Christmann, G.; Allebé, C.; Fontaine, C.; Haumesser, P.-H.; Jourdan, J.; Muñoz, D.; Godard, M.; Darnon, M.; Nicolay, S.; Despeisse, M.; Ballif, C. (2021-06) -
Piezoelectric and structural properties of c-axis textured aluminium scandium nitride thin films up to high scandium content
Mertin, S.; Heinz, B.; Rattunde, O.; Christmann, G.; Dubois, M. A.; Nicolay, S.; et al. (2018)Partial substitution of aluminium by scandium in the wurtzite structure of aluminium nitride (AIN) leads to a large increase of the piezc electric response by more than a factor of 2. Therefore, aluminium scandium nitride ... -
Project ameliz: Patterning techniques for copper electroplated metallization onheterojunction solar cells
Lachowicz, A.; Andreatta, G.; Blondiaux, N.; Faes, A.; Badel, N.; Diaz Leon, J. J.; Allebé, C.; Fontaine, C.; Haumesser, P.-H.; Jourdan, J.; Muñoz, D.; Godard, M.; Darmon, M.; Nicolay, S.; Despeisse, M.; Ballif, C. (2021-01) -
Quantifying competitive grain overgrowth in polycrystalline ZnO thin films
Aebersold, A. B.; Fanni, L.; Hessler-Wyser, A.; Nicolay, S.; Ballif, C.; Hebert, C.; et al. (2019)The grain size evolution of polycrystalline thin films, which form by competitive grain overgrowth as commonly interpreted using the van der Drift model, is understood to follow a power-law scaling of the average grain ... -
Robust Electron Transport Layers via In Situ Cross-Linking of Perylene Diimide and Fullerene for Perovskite Solar Cells
Yum, J. H.; Moon, S. J.; Yao, L.; Caretti, M.; Nicolay, S.; Kim, D. H.; et al. (2019)While employing charge transport layers (CTLs) in optoelectronic devices including hybrid perovskite solar cells is essential for high performance, using solution-processed organic semiconductor-based CTLs poses challenges ... -
Roll to roll atmospheric pressure plasma enhanced CVD of titania as a step towards the realisation of large area perovskite solar cell technology
Hodgkinson, J. L.; Yates, H. M.; Walter, A.; Sacchetto, D.; Moon, S. J.; Nicolay, S. (2018)Atmospheric pressure plasma enhanced CVD (AP PECVD) systems have attracted considerable interest in recent years due to the significant benefits for large area, low cost substrates and low temperature operation. In this ... -
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. ... -
Zinc blende-wurtzite polytypism in nanocrystalline ZnO films
Aebersold, A. B.; Fanni, L.; Hessler-Wyser, A.; Nicolay, S.; Ballif, C.; Hebert, C.; et al. (2017)ZnO is commonly observed and assumed to crystallize fully in a wurtzite structure. Indeed, While polytypism between a wurtzite and a zinc blende phase is often seen in some II-VI compounds, it has only rarely been observed ...