Simulation analysis on impurity distribution in mc-Si grown by directional solidification for solar cell applications
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Nagarajan Somi Ganesan
Abstract
We carried out global transient simulation of impurity distribution in multi-crystalline silicon grown by directional solidification using appropriate software. Non-metallic impurities such as carbon, nitrogen and oxygen originate from the furnace parts and each impurity atom was segregated into the mc-Si ingot based on their solubility in the crystal. During the solidification process the temperature distribution causes melt fluctuation in the Si melt, which is controlled by applying an external body force that leads to a uniform distribution of impurity atoms. Here the uniform distribution of impurity atoms was obtained by rotating the crucible at 10 rpm and the investigations were also carried out without crucible rotation and with a crucible rotation rate of 3 rpm. In this paper we have analyzed the segregation of non-metallic impurity atoms and chemical reactions between the impurity atoms, wherein three types of simulations were carried out and their results analyzed.
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© 2016, Carl Hanser Verlag, München
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Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Effect of Peierls stress and strain-hardening parameters on EMR emission in metals and alloys during progressive plastic deformation
- Relaxation and diffusion barriers at step edges of Cu, Ag and Au homo- and heterogeneous systems: Case of (100) facet
- Simulation analysis on impurity distribution in mc-Si grown by directional solidification for solar cell applications
- Experimental investigation and thermodynamic calculation of the Mg–Sr–Zr system
- Microstructures and properties of Cr–Cu/W–Cu bi-layer composite coatings prepared by mechanical alloying
- Innovative approach to protect magnesium powder during sintering
- Friction stir welding of foamable AlSi7 reinforced by B4C
- Incorporation of SiC particles in FS welded zone of AZ31 Mg alloy to improve the mechanical properties and corrosion resistance
- Effects of fiber volume fraction on strain of piezoelectric fiber composites
- Dry wear behavior of cooling-slope-cast hypoeutectic aluminum alloy
- Short Communications
- In-situ grown interwoven NiSe on Ni foam as a catalyst for hydrazine oxidation
- DGM News
- DGM News
