Search Results - "Hänni, Simon"
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Amorphous silicon–germanium for triple and quadruple junction thin-film silicon based solar cells
Published in Solar energy materials and solar cells (01.02.2015)“…We study amorphous silicon–germanium (a-SiGe:H) as intrinsic absorber material for thin-film silicon-based triple and quadruple junction solar cells. First, we…”
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Multiscale Transparent Electrode Architecture for Efficient Light Management and Carrier Collection in Solar Cells
Published in Nano letters (14.03.2012)“…The challenge for all photovoltaic technologies is to maximize light absorption, to convert photons with minimal losses into electric charges, and to…”
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Silicon oxide buffer layer at the p–i interface in amorphous and microcrystalline silicon solar cells
Published in Solar energy materials and solar cells (01.01.2014)“…The use of intrinsic silicon oxide as a buffer layer at the p–i interface of thin-film silicon solar cells is shown to provide significant advantages. For…”
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High-efficiency microcrystalline silicon single-junction solar cells
Published in Progress in photovoltaics (01.08.2013)“…ABSTRACT This short communication highlights our latest results towards high‐efficiency microcrystalline silicon single‐junction solar cells. By combining…”
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Morphology stabilization strategies for small-molecule bulk heterojunction photovoltaics
Published in Journal of materials chemistry. A, Materials for energy and sustainability (2017)“…The greater crystallinity of solution-processed small-molecule organic semiconductors, compared to their polymer counterparts, renders the bulk heterojunction…”
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A New View of Microcrystalline Silicon: The Role of Plasma Processing in Achieving a Dense and Stable Absorber Material for Photovoltaic Applications
Published in Advanced functional materials (11.09.2012)“…To further lower production costs and increase conversion efficiency of thin‐film silicon solar modules, challenges are the deposition of high‐quality…”
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Optimization of thin film silicon solar cells on highly textured substrates
Published in Physica status solidi. A, Applications and materials science (01.08.2011)“…Doped layers made of nanostructured silicon phases embedded in a silicon oxide matrix were implemented in thin film silicon solar cells. Their combination with…”
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Quantification of Valleys of Randomly Textured Substrates as a Function of Opening Angle: Correlation to the Defect Density in Intrinsic nc-Si:H
Published in ACS applied materials & interfaces (17.08.2016)“…Optical and electrical properties of hydrogenated nanocrystalline silicon (nc-Si:H) solar cells are strongly influenced by the morphology of underlying…”
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Overlap modules: A unique cell layup using smart wire connection technology
Published in AIP conference proceedings (27.08.2019)“…Smart Wire Connection Technology (SWCT) is an efficient cell interconnection technology that combines many advantages: reduced cell metallization cost,…”
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Silver versus white sheet as a back reflector for microcrystalline silicon solar cells deposited on LPCVD-ZnO electrodes of various textures
Published in Progress in photovoltaics (01.09.2015)“…We compare the performance of two back reflector designs on the optoelectrical properties of microcrystalline silicon solar cells. The first one consists of a…”
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Thin-Film Silicon Triple-Junction Solar Cells on Highly Transparent Front Electrodes With Stabilized Efficiencies up to 12.8
Published in IEEE journal of photovoltaics (01.05.2014)“…High-efficiency thin-film silicon triple-junction solar cells in p-i-n configuration have been fabricated using amorphous silicon top cell absorber layers, as…”
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Effect of Substrate Morphology Slope Distributions on Light Scattering, nc-Si:H Film Growth, and Solar Cell Performance
Published in ACS applied materials & interfaces (24.12.2014)“…Thin-film silicon solar cells are often deposited on textured ZnO substrates. The solar-cell performance is strongly correlated to the substrate morphology, as…”
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Microcrystalline silicon solar cells with passivated interfaces for high open-circuit voltage
Published in Physica status solidi. A, Applications and materials science (01.04.2015)“…We introduce passivating hetero‐interfaces in single‐junction microcrystalline silicon (μc‐Si:H) solar cells. We investigate the effect of different i–n layer…”
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On the Interplay Between Microstructure and Interfaces in High-Efficiency Microcrystalline Silicon Solar Cells
Published in IEEE journal of photovoltaics (01.01.2013)“…This paper gives new insights into the role of both the microstructure and the interfaces in microcrystalline silicon (μc-Si) single-junction solar cells. A…”
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The role of front and back electrodes in parasitic absorption in thin-film solar cells
Published in EPJ Photovoltaics (01.01.2014)“…When it comes to parasitic absorption in thin-film silicon solar cells, most studies focus on one electrode only, most of the time the substrate (in n-i-p…”
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Optimization of the Asymmetric Intermediate Reflector Morphology for High Stabilized Efficiency Thin n-i-p Micromorph Solar Cells
Published in IEEE journal of photovoltaics (01.01.2013)“…This paper focuses on our latest progress in n-i-p thin-micromorph solar-cell fabrication using textured back reflectors and asymmetric intermediate…”
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Morphology stabilization strategies for small-molecule bulk heterojunction photovoltaicsElectronic supplementary information (ESI) available: Fig. S1-S9, Tables S1 and S2 as described in the main text and full experimental/synthetic data. See DOI: 10.1039/c7ta05405j
Published 22.08.2017“…The greater crystallinity of solution-processed small-molecule organic semiconductors, compared to their polymer counterparts, renders the bulk heterojunction…”
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18
Post-deposition treatment of microcrystalline silicon solar cells for improved performance on rough superstrates
Published in Journal of applied physics (28.12.2014)“…In this contribution, we investigate the effect of post-deposition treatments on finished non-encapsulated thin-film microcrystalline silicon solar cells and…”
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New progress in the fabrication of n–i–p micromorph solar cells for opaque substrates
Published in Solar energy materials and solar cells (01.07.2013)“…In this paper, we investigate tandem amorphous/microcrystalline silicon solar cells with asymmetric intermediate reflectors grown in the n–i–p substrate…”
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On the interplay between microstructure and interfaces in high-efficiency microcrystalline silicon solar cells
Published in 2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) PART 2 (01.06.2012)“…This paper gives new insights into the role of both the microstructure and the interfaces in microcrystalline silicon (μc-Si) single-junction solar cells. A…”
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