Device Modelling of Organic Bulk Heterojunction Solar Cells
- 28 September 2013
- book chapter
- review article
- Published by Springer Science and Business Media LLC
- Vol. 352, 279-324
- https://doi.org/10.1007/128_2013_473
Abstract
We review the methods used to simulate the optoelectronic response of organic solar cells and focus on the application of one-dimensional drift-diffusion simulations. We discuss how the important physical processes are treated and review some of the experiments necessary to determine the input parameters for device simulations. To illustrate the usefulness of drift-diffusion simulations, we discuss several case studies, addressing the influence of charged defects on transport in bipolar and unipolar devices, the influence of defects on recombination, device performance and ideality factors. To illustrate frequency domain simulations, we show how to determine the validity range of Mott–Schottky plots for thin devices. Finally, we discuss an example where optical simulations are used to calculate the parasitic absorption in contact layers.Keywords
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