Corsin Battaglia

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Publications associées (52)

UV imprinting for thin film solar cell application

Christophe Ballif, Céline Pahud, Franz-Josef Haug, Corsin Battaglia, Jordi Escarre Palou, Rémi Biron

UV imprinting is an interesting, low cost technique to produce large area thin film solar cells incorporating nanometric textures. Here, we review and present new results confirming that replicas of the most common textures used in photovoltaics can be obt ...

2012

Light Harvesting Schemes for High Efficiency Thin Film Silicon Solar Cells

Christophe Ballif, Mathieu Charrière, Peter Cuony, Gaetano Parascandolo, Laura Ding, Sylvain Nicolay, Grégory Bugnon, Mathieu Gérard Boccard, Matthieu Despeisse, Corsin Battaglia, Jordi Escarre Palou, Michael Elias Stückelberger, Maximilien Joseph Marie Bonnet-Eymard

In Thin Film Silicon (TF-Si) solar cells light harvesting schemes must guarantee an efficient light trapping in the thin absorber layers without decreasing the silicon layers quality and consecutively the p-i-n diodes electrical performance. TF-Si solar ce ...

Ieee2012

Light trapping in solar cells: can periodic beat random?

Christophe Ballif, Marco Cantoni, Mathieu Charrière, Karin Söderström, Duncan Thomas Lindsay Alexander, Franz-Josef Haug, Mathieu Gérard Boccard, Matthieu Despeisse, Corsin Battaglia, Jordi Escarre Palou

Theory predicts that periodic photonic nanostructures should outperform their random counterparts in trapping light in solar cells. However, the current certified world-record conversion efficiency for amorphous silicon thin-film solar cells, which strongl ...

2012

Geometric light trapping for high efficiency thin film silicon solar cells

Christophe Ballif, Laura Ding, Sylvain Nicolay, Grégory Bugnon, Franz-Josef Haug, Matthieu Despeisse, Corsin Battaglia, Jordi Escarre Palou

The imprinting of random square based pyramidal textures with micrometric scale at the air/glass interface of thin film silicon solar cells is presented as an efficient alternative to anti-reflective coatings to minimize reflection losses at the cell entra ...

Elsevier2012

Analysis of Optical and Morphological Properties of Aluminium Induced Texture Glass Superstrates

Corsin Battaglia

Texturing the glass surface is a promising method for improving the light trapping properties of superstrate thin-film silicon solar cells, as it enables thinner absorber layers and, possibly, higher cell efficiencies. In this paper we present the optical ...

Japan Society of Applied Physics2012

High-Efficiency Amorphous Silicon Solar Cell on a Periodic Nanocone Back Reflector

Christophe Ballif, Céline Pahud, Franz-Josef Haug, Corsin Battaglia

An amorphous silicon solar cell on a periodic nanocone back reflector with a high 9.7% initial conversion efficiency is presented. The optimized back-reflector morphology provides powerful light trapping and enables excellent electrical cell performance. U ...

2012

High fidelity transfer of nanometric random textures by UV embossing for thin film solar cells applications

Christophe Ballif, Karin Söderström, Franz-Josef Haug, Corsin Battaglia, Jordi Escarre Palou

We investigate the transfer of random nanostructures commonly used in thin film silicon solar cells onto inexpensive substrates, such as glass or flexible polyethylene sheets. Morphological and optical analyses of masters and replicas show the successful t ...

Elsevier2011

Modeling of light scattering from micro- and nanotextured surfaces (vol 107, 044504, 2010)

Christophe Ballif, Franz-Josef Haug, Corsin Battaglia

American Institute of Physics2010

Splitting in the Fermi surface of ZrTe3: A surface charge density wave system

Helmuth Berger, Corsin Battaglia

The electronic band structure and Fermi surface of ZrTe3 was determined by angle-resolved photoemission spectroscopy. Several bands and a large part of the Fermi surface are found to be split by 100-200 meV into two parallel dispersions. Calculations of th ...

2009

Spontaneous exciton condensation in 1T-TiSe2: BCS-like approach

Helmuth Berger, László Forró, Philipp Aebi, Corsin Battaglia

Recently we found strong evidence in favor of a BCS-like condensation of excitons in 1T-TiSe2 [Cercellier , Phys. Rev. Lett. 99, 146403 (2007)]. Theoretical photoemission intensity maps have been generated by the spectral function calculated within the exc ...

2009

Structure and stability of the Si(331)-(12x1) surface reconstruction investigated with first-principles density functional theory

Corsin Battaglia

We recently proposed a structural model for the Si!331"-!12!1" surface reconstruction containing silicon pentamers and adatoms as elementary structural building blocks. Using first-principles density functional theory we here investigate the stability of a ...

2009

Fermi surface of layered compounds and bulk charge density wave systems

Helmuth Berger, Philipp Aebi, Corsin Battaglia

A review is given of recent angle-resolved photoemission (ARPES) experiments and analyses on a series of layered charge density wave materials. Important aspects of ARPES are recalled in view of its capability for bulk band, Fermi surface and spectral func ...

2007

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