Kinetic Monte Carlo modeling of low-bandgap polymer solar cells
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Numerical simulations based on kinetic Monte Carlo (kMC) techniques provide a powerful and versatile tool to gain a deep understanding of nanoscale processes in bulk organic heterojunction (BHJ) solar cells and to guide their optimization. Low-bandgap polymer donor materials count as constituents for novel cells with improved efficiency, mainly because they extend the absorption to the infrared region. We developed a kMC model which is able to accurately reproduce the current-voltage (JV) characteristics of an organic solar cell consisting of a blend of low-bandgap polymer and fullerene active materials with different active layer thicknesses.
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Albes T; Popescu B; Popescu D; Arca F; Lugli P (Institute of Electrical and Electronics Engineers Inc., 2014)Simulations based on kinetic Monte Carlo (kMC) methods provide a powerful and versatile tool to gain a deep understanding of nanoscale processes in organic bulk-heterojunction (BHJ) solar cells and to guide their optimization. ...
Popescu B; Popescu D; Luppina P; Julian T; Koblmüller G; Lugli P; Goodnick S (IEEE, 2015)In this paper, we investigate the electrical and optical properties of novel InGaAs nanowire solar cells. Key features like high optical absorption and excellent charge carrier mobility make them an attractive candidate ...
Popescu B; Popescu D; Saraniti M; Lugli P (Institute of Electrical and Electronics Engineers Inc., 2015)In this paper, we have investigated the electron transport and frequency response of the state-of-the-art single-InAs nanowire (NW) FETs using a full-band Monte Carlo simulator. InAs transistors using a single NW as the ...