Publication
High Efficiency p-i-n a-Si:H Solar Cells with Low Boron Cross-Contamination Prepared in a Large Area Single-Chamber PECVD Reactor
Related publications (57)
Post-deposition treatment of microcrystalline silicon solar cells for improved performance on rough superstrates
Christophe Ballif, Mathieu Gérard Boccard, Sylvain Nicolay, Grégory Bugnon, Laura Ding
In this contribution, we investigate the effect of post-deposition treatments on finished non-encapsulated thin-film microcrystalline silicon solar cells and show that annealing in vacuum leads to improved electrical properties of the solar cells, particul ...
American Institute of Physics2014Thin-Film Silicon Triple-Junction Solar Cells on Highly Transparent Front Electrodes With Stabilized Efficiencies up to 12.8%
Christophe Ballif, Franz-Josef Haug, Matthieu Despeisse, Mathieu Gérard Boccard, Grégory Bugnon, Michael Elias Stückelberger
High-efficiency thin-film silicon triple-junction solar cells in p-i-n configuration have been fabricated using amorphous silicon top cell absorber layers, as well as microcrystalline silicon middle and bottom cell absorbers. The triple-junction cells were ...
Ieee-Inst Electrical Electronics Engineers Inc2014Printed capacitive sensing device
Capacitive-based sensing device comprising an organic substrate, a sensing layer and two printed/additively deposited planar electrodes, said sensing layer being separated from the substrate by at least one separating layer. ...
2014A miniaturised autonomous sensor based on nanowire materials platform: the SiNAPS mote
Maher Kayal, Naser Khosro Pour
A micro-power energy harvesting system based on core(crystalline Si)-shell(amorphous Si) nanowire solar cells together with a nanowire-modified CMOS sensing platform have been developed to be used in a dust-sized autonomous chemical sensor node. The mote ( ...
Spie-Int Soc Optical Engineering2013Comparison of amorphous silicon absorber materials: Light-induced degradation and solar cell efficiency
Christophe Ballif, Franz-Josef Haug, Jan-Willem Alexander Schüttauf, Matthieu Despeisse, Grégory Bugnon, Michael Elias Stückelberger
Several amorphous silicon (a-Si:H) deposition conditions have been reported to produce films that degrade least under light soaking when incorporated into a-Si:H solar cells. However, a systematic comparison of these a-Si:H materials has never been present ...
American Institute of Physics2013High-Quality Microcrystalline Silicon for Efficient Thin-Film Solar Cells
This thesis investigates the link between the plasma deposition conditions and microcrystalline silicon (μc-Si:H) material quality for thin-film silicon photovoltaic applications. The role of interfaces and the μc-Si:H material quality on the device perfor ...
EPFL2013Coupling light into thin silicon layers for high-efficiency solar cells
Thin-film solar cells based on amorphous and microcrystalline silicon require thin photoactive layers to ensure a satisfactory collection of the photogenerated carriers. The small thickness is advantageous in terms of raw material consumption and industria ...
EPFL2013Electrically flat/optically rough substrates for efficiencies above 10% in n-i-p thin-film silicon solar cells
Christophe Ballif, Franz-Josef Haug, Grégory Bugnon, Karin Söderström
Substrates with extremely low roughness to allow the growth of good-quality silicon material but that nevertheless present high light trapping properties are presented. In a first application, silver reflectors are used in single and tandem-junction amorph ...
2012Multiscale transparent electrode architecture for efficient light management and carrier collection in solar cells
Christophe Ballif, Corsin Battaglia, Jordi Escarre Palou, Matthieu Despeisse, Mathieu Gérard Boccard, Sylvain Nicolay, Karin Söderström, Simon Hänni
The challenge for all photovoltaic technologies is to maximize light absorption, to convert photons with minimal losses into electric charges, and to efficiently extract them to the electrical circuit. For thin-film solar cells, all these tasks rely heavil ...
2012Experimental Evaluation of the Light Trapping Potential of Optical Nanostructures for Thin-Film Silicon Solar Cells
Christophe Ballif, Corsin Battaglia, Jordi Escarre Palou, Mathieu Gérard Boccard, Karin Söderström
We describe a method based on nanoimprinting and non-absorbing insulating silicon nitride electrodes for evaluating the light trapping potential of photonic nanostructures for thin-film silicon solar cells. We validate our method by relating the optical re ...
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