Publications de Franz-Josef Haug

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We calculate the maximal absorption enhancement obtainable by guided mode excitation in a weakly absorbing dielectric slab over wide wavelength ranges. The slab mimics thin film silicon solar cells in the low absorption regime. We consider simultaneously w ...

We present a comparison between spectrally-resolved reflection measurements of gratings and theoretical predictions from RCWA approach. Diffraction intensities vary significantly with polarization, and surface plasmon absorption is observed around the onse ...

We demonstrate self-patterned insulating nanoparticle layers to define local electrical interconnects in thin-film electronic devices. We show this with thin-film silicon tandem solar cells, where we introduce between the two component cells a solution-pro ...

We present and experimentally validate a computational model for the light propagation in thin-film solar cells that integrates non-paraxial scalar diffraction theory with non-sequential ray-tracing. The model allows computing the spectral layer absorbance ...

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 ...

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 ...

A method for rapid quantitative imaging of dopant distribution using secondary ion mass spectrometry (SIMS) is described. The method is based on SIMS imaging of the cross-section of a reference sample with a known concentration profile. It is demonstrated ...

We studied solar cells with periodic interface texture. For periods of 550 and 833 nm, we found that the measured photocurrent increases under oblique incidence and assumes a maximum between 20 and 30°. For the geometries used in our experiments, the initi ...

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 ...

Franz-Josef Haug

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Light trapping in solar cells at the extreme coupling limit

An RCWA Analysis of Solar Cell Back Reflectors: Comparison between Modelling and Experiment

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

Self-Patterned Nanoparticle Layers for Vertical Interconnects: Application in Tandem Solar Cells

Light trapping in solar cells: numerical modeling with measured surface textures

UV imprinting for thin film solar cell application

Geometric light trapping for high efficiency thin film silicon solar cells

A method for quantitative nanoscale imaging of dopant distributions using secondary ion mass spectrometry: an application example in silicon photovoltaics

Super-Lambertian photocurrent-generation in solar cells with periodically textured interfaces

nc-SiC by PECVD for High-Temperature Passivating Contacts

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

Influence of the ZnO buffer on the guided mode structure in Si/ZnO/Ag multilayers (vol 106, 044502, 2009)