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Black silicon photovoltaics
This article presents an overview of the fabrication methods of black silicon, their resulting
morphologies, and a quantitative comparison of their optoelectronic properties. To perform …
morphologies, and a quantitative comparison of their optoelectronic properties. To perform …
Restructured porous silicon for solar photovoltaic: a review
Abstract Bulk Silicon (Si) possesses an indirect bandgap and low surface area to volume
ratio. Porous silicon (PSi), a derived material of Si, overcomes drawbacks of Si, and …
ratio. Porous silicon (PSi), a derived material of Si, overcomes drawbacks of Si, and …
A new bottom-up methodology to produce silicon layers with a closed porosity nanostructure and reduced refractive index
A new approach is presented to produce amorphous porous silicon coatings (a-pSi) with
closed porosity by magnetron sputtering of a silicon target. It is shown how the use of He as …
closed porosity by magnetron sputtering of a silicon target. It is shown how the use of He as …
Kerfless exfoliated thin crystalline Si wafers with Al metallization layers for solar cells
R Niepelt, J Hensen, V Steckenreiter… - Journal of Materials …, 2015 - cambridge.org
We report on a kerfless exfoliation approach to further reduce the costs of crystalline silicon
photovoltaics making use of evaporated Al as a double functional layer. The Al serves as the …
photovoltaics making use of evaporated Al as a double functional layer. The Al serves as the …
Thin macroporous silicon heterojunction solar cells
M Ernst, R Brendel, R Ferré… - physica status solidi …, 2012 - Wiley Online Library
We demonstrate the processing of a heterojunction solar cell from a purely macroporous
silicon (MacPSi) absorber that is generated and separated from a monocrystalline n‐type Cz …
silicon (MacPSi) absorber that is generated and separated from a monocrystalline n‐type Cz …
Nanowire decorated, ultra-thin, single crystalline silicon for photovoltaic devices
Reducing silicon (Si) wafer thickness in the photovoltaic industry has always been
demanded for lowering the overall cost. Further benefits such as short collection lengths and …
demanded for lowering the overall cost. Further benefits such as short collection lengths and …
High-quality exfoliated crystalline silicon foils for solar cell applications
R Niepelt, J Hensen, A Knorr, V Steckenreiter… - Energy Procedia, 2014 - Elsevier
Kerfless wafering techniques offer a significant cost saving potential via the reduction of
silicon consumption. In this paper, we examine thin single crystalline Si foils that were …
silicon consumption. In this paper, we examine thin single crystalline Si foils that were …
Modeling effective carrier lifetimes of passivated macroporous silicon layers
M Ernst, R Brendel - Solar Energy Materials and Solar Cells, 2011 - Elsevier
We derive and apply a model that determines the effective minority carrier lifetime of
macroporous crystalline silicon samples as a function of bulk lifetime, surface passivation …
macroporous crystalline silicon samples as a function of bulk lifetime, surface passivation …
Macroporous silicon solar cells with an epitaxial emitter
M Ernst, R Brendel - IEEE Journal of Photovoltaics, 2013 - ieeexplore.ieee.org
In this paper, we separate a macroporous silicon absorber from a monocrystalline n-type
silicon wafer by means of electrochemical etching. The porosity is (31±3)%. The epitaxial …
silicon wafer by means of electrochemical etching. The porosity is (31±3)%. The epitaxial …
Lambertian light trap** in thin crystalline macroporous Si layers
M Ernst, R Brendel - physica status solidi (RRL)–Rapid …, 2014 - Wiley Online Library
Lambertian light trap** is a benchmark for efficient light trap**. In this Letter we
experimentally quantify the degree of Lambertian light trap** in a macroporous silicon …
experimentally quantify the degree of Lambertian light trap** in a macroporous silicon …