Search Results - "Fell, Andreas"
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A Free and Fast Three-Dimensional/Two-Dimensional Solar Cell Simulator Featuring Conductive Boundary and Quasi-Neutrality Approximations
Published in IEEE transactions on electron devices (01-02-2013)“…Details of Quokka, which is a freely available fast 3-D solar cell simulation tool, are presented. Simplifications to the full set of charge carrier transport…”
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Input Parameters for the Simulation of Silicon Solar Cells in 2014
Published in IEEE journal of photovoltaics (01-07-2015)“…Within the silicon photovoltaics (PV) community, there are many approaches, tools, and input parameters for simulating solar cells, making it difficult for…”
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Interfacial Dynamics and Contact Passivation in Perovskite Solar Cells
Published in Advanced electronic materials (01-01-2019)“…Charge accumulation at the electron and hole transport layers generates anomalous electrical behavior in perovskite solar cells (PSCs). Hysteresis in the…”
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Perimeter Recombination Characterization by Luminescence Imaging
Published in IEEE journal of photovoltaics (01-01-2016)“…Perimeter recombination causes significant efficiency loss in solar cells. This paper presents a method to quantify perimeter recombination via luminescence…”
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n-Type Si solar cells with passivating electron contact: Identifying sources for efficiency limitations by wafer thickness and resistivity variation
Published in Solar energy materials and solar cells (01-12-2017)“…In this work, the efficiency of n-type silicon solar cells with a front side boron-doped emitter and a full-area tunnel oxide passivating electron contact was…”
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The Impact of Mobile Ions on the Steady-State Performance of Perovskite Solar Cells
Published in Journal of physical chemistry. C (09-01-2020)“…Mobile ions in perovskite solar cells induce many unique transient phenomena, while their influence under steady state, the primary operating condition, has…”
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The concept of skins for silicon solar cell modeling
Published in Solar energy materials and solar cells (01-12-2017)“…Within (crystalline silicon) solar cell modeling, a skin means the thin region from the quasi-neutral bulk to the actual surface or metal contact, including…”
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Transient Photovoltage in Perovskite Solar Cells: Interaction of Trap-Mediated Recombination and Migration of Multiple Ionic Species
Published in Journal of physical chemistry. C (31-05-2018)“…It is highly probable that perovskite solar cells (PSCs) are mixed electronic-ionic conductors, with ion migration being the driving force for PSC hysteresis…”
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Enhanced optoelectronic coupling for perovskite/silicon tandem solar cells
Published in Nature (London) (23-11-2023)“…Monolithic perovskite/silicon tandem solar cells are of great appeal as they promise high power conversion efficiencies (PCEs) at affordable cost. In…”
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Efficiency Roadmap for Evolutionary Upgrades of PERC Solar Cells by TOPCon: Impact of Parasitic Absorption
Published in IEEE journal of photovoltaics (01-03-2020)“…Passivating contacts created via a thin interfacial oxide and a highly doped polysilicon layer, e.g., the TOPCon technology, are on the verge of being…”
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Design rules for high-efficiency both-sides-contacted silicon solar cells with balanced charge carrier transport and recombination losses
Published in Nature energy (01-04-2021)“…The photovoltaic industry is dominated by crystalline silicon solar cells. Although interdigitated back-contact cells have yielded the highest efficiency,…”
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An Analytical Model for Resistance-Limited Recombination at Line Defects in Solar Cells
Published in IEEE journal of photovoltaics (01-09-2019)“…In this paper, one-dimensional analytical model is presented that reproduces lateral changes in p-n junction voltage as a result of recombination at line…”
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A Detailed Full-Cell Model of a 2018 Commercial PERC Solar Cell in Quokka3
Published in IEEE journal of photovoltaics (01-11-2018)“…An unprecedented detailed model of a full-size passivated emitter and rear cell (PERC) solar cell design, as manufactured at a current Trina Solar…”
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Influence of Fundamental Model Uncertainties on Silicon Solar Cell Efficiency Simulations
Published in IEEE transactions on electron devices (01-01-2019)“…We determine the uncertainties on simulated efficiencies of silicon solar cells due to uncertainties of the fundamental physical models. To determine these, we…”
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Spatially Resolved Performance Analysis for Perovskite Solar Cells
Published in Advanced energy materials (01-07-2020)“…This review explores the current state of the art in spatially resolved characterization of mixed‐halide perovskite solar cells. As the size of perovskite…”
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Influence of pulse duration on the doping quality in laser chemical processing (LCP)—a simulative approach
Published in Applied physics. A, Materials science & processing (01-03-2013)“…The laser chemical processing (LCP) technique for the local doping of crystalline silicon solar cells is investigated. Here, a liquid jet containing a dopant…”
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Radiative recombination in silicon photovoltaics: Modeling the influence of charge carrier densities and photon recycling
Published in Solar energy materials and solar cells (15-09-2021)“…In order to push silicon solar cell efficiencies further towards their limit, as well as to ensure accuracy of luminescence based characterization techniques,…”
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Breakdown of temperature sensitivity of silicon solar cells by simulation input parameters
Published in Solar energy materials and solar cells (01-01-2021)“…As the electrical characteristics of silicon solar cells depend significantly on their temperature T of operation, it is vital to analyze and understand the…”
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Modeling parasitic absorption in silicon solar cells with a near-surface absorption parameter
Published in Solar energy materials and solar cells (01-03-2022)“…One drawback of passivating contacts in crystalline silicon solar cells is the current loss due to parasitic absorption within the involved material layers…”
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