Person

Adrian Billet

This person is no longer with EPFL

Related publications (12)

Comparison of amorphous silicon absorber materials: Kinetics of light-induced degradation

Christophe Ballif, Franz-Josef Haug, Matthieu Despeisse, Mathieu Gérard Boccard, Michael Elias Stückelberger, Yannick Samuel Riesen, Adrian Billet

We investigate the influence of the deposition parameters for intrinsic amorphous silicon absorber layers on light-induced degradation (LID) of thin-film silicon solar cells. The focus is on absorber layers with different bandgaps: on one side, solar cells ...

Wiley-Blackwell2016

Nanometer- and Micrometer-Scale Texturing for High-Efficiency Micromorph Thin-Film Silicon Solar Cells

Christophe Ballif, Corsin Battaglia, Jordi Escarre Palou, Matthieu Despeisse, Mathieu Gérard Boccard, Sylvain Nicolay, Grégory Bugnon, Laura Ding, Karin Söderström, Peter Cuony, Fanny Sculati-Meillaud, Simon Hänni, Adrian Billet, Mathieu Charrière, Mustapha Benkhaira

Optimized transparent conductive oxide front electrodes are vital to further increase the efficiency of thin-film silicon solar devices. We report details on the fabrication of multiscale textured zinc oxide substrates and their implementation in amorphous ...

2012

Optimization of ZnO Front Electrodes for High-Efficiency Micromorph Thin-Film Si Solar Cells

Christophe Ballif, Corsin Battaglia, Matthieu Despeisse, Mathieu Gérard Boccard, Sylvain Nicolay, Grégory Bugnon, Laura Ding, Thomas Söderström, Peter Cuony, Simon Hänni, Adrian Billet, Mathieu Charrière, Mustapha Benkhaira

The quest for increased performances in thin film silicon Micromorph tandem devices nowadays requires an increase of current density. This can be achieved with thin cells by combining both a robust cell design and efficient light management schemes. In thi ...

2012

Nanoimprint Lithography for High-Efficiency Thin-Film Silicon Solar Cells

Christophe Ballif, Franz-Josef Haug, Corsin Battaglia, Jordi Escarre Palou, Matthieu Despeisse, Mathieu Gérard Boccard, Stefaan De Wolf, Grégory Bugnon, Loris Barraud, Laura Ding, Karin Söderström, Adrian Billet

We demonstrate high-efficiency thin-film silicon solar cells with transparent nanotextured front electrodes fabricated via ultraviolet nanoimprint lithography on glass substrates. By replicating the morphology of state-of-the-art nanotextured zinc oxide fr ...

American Chemical Society2011

Micromorph thin-film silicon solar cells with transparent high-mobility hydrogenated indium oxide front electrodes

We investigate the performance of hydrogenated indium oxide as a transparent front electrode for micromorph thin-film silicon solar cells on glass. Light trapping is achieved by replicating the morphology of state-of-the-art zinc oxide electrodes, known fo ...

American Institute of Physics2011

Advanced nanostructured materials for pushing light trapping towards the Yablonovitch limit

Christophe Ballif, Franz-Josef Haug, Corsin Battaglia, Jordi Escarre Palou, Matthieu Despeisse, Mathieu Gérard Boccard, Stefaan De Wolf, Sylvain Nicolay, Grégory Bugnon, Loris Barraud, Laura Ding, Michael Elias Stückelberger, Karin Söderström, Gaetano Parascandolo, Peter Cuony, Fanny Sculati-Meillaud, Simon Hänni, Adrian Billet, Mathieu Charrière, Nils Linus Löfgren

We give an overview on recent progress in the synthesis, fabrication and integration of advanced nanostructured materials for efficient light trapping in high-efficiency thin-film silicon solar cells. ...

2011

Low-conductivity doped layers for improved performance of thin film silicon solar cells on highly textured substrate

Christophe Ballif, Corsin Battaglia, Matthieu Despeisse, Mathieu Gérard Boccard, Grégory Bugnon, Thomas Söderström, Michael Elias Stückelberger, Gaetano Parascandolo, Peter Cuony, Fanny Sculati-Meillaud, Simon Hänni, Adrian Billet, Mathieu Charrière, Nils Linus Löfgren

The performances of thin film silicon solar cells are reported for the use of increasingly rough zinc-oxide (ZnO) front electrodes. Experimental results show that textured substrates favor increased light trapping but also the local creation of undesired c ...

2010

Resistive interlayer for improved performance of thin film silicon solar cells on highly textured substrate

Christophe Ballif, Matthieu Despeisse, Grégory Bugnon, Andrea Feltrin, Peter Cuony, Adrian Billet

The deposition of thin-film silicon solar cells on highly textured substrates results in improved light trapping in the cell. However, the growth of silicon layers on rough substrates can often lead to undesired current drains, degrading performance and re ...

2010

Development of Micromorph Cells in Large-Area Industrial Reactor

Christophe Ballif, Matthieu Despeisse, Grégory Bugnon, Andrea Feltrin, Gaetano Parascandolo, Adrian Billet

The influences of the deposition pressure and silane depletion on the efficiency of single-junction microcrystalline silicon solar cells has been investigated. The efficiency is found to correlate with the ion energy which affects the density of states in ...

2009

High-efficiency micromorph silicon solar cells with in-situ intermediate reflector deposited on various rough LPCVD ZnO

Christophe Ballif, Julien Claude Bailat, Andrea Feltrin, Adrian Billet

Light management using intermediate reflector layers (IRL) and advanced front transparent conductive oxide (TCO) morphologies is needed to rise the short-circuit current density (Jsc) of micromorph tandem solar cells above 14 mA/cm2. For micromorph cells d ...

2008

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