Michael Elias Stückelberger

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High-efficiency amorphous silicon (a-Si:H) solar cells were deposited with different thicknesses of the p-type amorphous silicon carbide layer on substrates of varying roughness. We observed a light-induced open-circuit voltage (Voc) increase upon light so ...

Thin-film silicon solar cells are one possible answer to the increasing energy demand of today. Hydrogenated amorphous silicon (a-Si:H) plays a crucial role therein - as absorber layers, but also as doped layers to build p-i -n junctions. This thesis is de ...

Understanding the electron scattering mechanisms dominating transport in high and low mobility transparent conducting oxides can provide insight into improving the properties of this crucial photovoltaic device layer. Contributions from ionized impurity sc ...

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 ...

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 ...

Understanding grain morphology and kinetics of solid-phase crystallization is important for controlling the functional properties of polycrystalline materials. Here, in situ coherent X-ray diffraction imaging and transmission electron microscopy elucidate ...

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 ...

Michael Elias Stückelberger

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Light-induced Voc increase and decrease in high-efficiency amorphous silicon solar cells

Hydrogenated amorphous silicon : impact of process conditions on material properties and solar cell efficiency

What Limits Mobility in Hydrogenated Indium Oxide?

Comparison of amorphous silicon absorber materials: Light-induced degradation and solar cell efficiency

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

Three-dimensional in situ imaging of single-grain growth in polycrystalline In2O3:Zr films

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