Jonas Schön, Holger Habenicht, Wilhelm Warta and Martin C. Schubert Chromium distribution in multicrystalline silicon: comparison of simulations and experiments Progress in Photovoltaics: Research and Applications 21
We studied the precipitation of chromium in multicrystalline silicon during the crystallization process and temperature treatments typical for solar cell processing. A model that was already successfully used for simulating heterogeneous precipitation of iron is transferred to chromium, allowing two-dimensional simulations of dissolved chromium and precipitate density. The observed accordance with spatially resolved measurements demonstrates the similarity of chromium to iron precipitation and the ability of our model to predict the dissolved chromium concentration in multicrystalline silicon.
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