Abstract
This paper indicated a simulation study to optimizing the p-i-n InGaN homojunction solar cells. From the simulation results, it was found that optimized value of cell thickness is 1.3 μm and a maximum energy conversion about 20 % can be achieved in 1015 cm−3 defect concentration. It is shown that i-layer quality is a dominant factor in determining the performance of the cell. This result is consistent with the fact that InGaN p-i-n homojunction solar cell with higher densities of defects and dislocations exhibits a lower J sc and V oc, and consequently lower efficiency of the cell. Simulation results demonstrated that high-quality InGaN alloy is necessary to fabricate a high performance cell.
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The authors gratefully acknowledge to Dr. Marc Burgelman, University of Gent, Belgium, for providing the SCAPS simulation software.
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Movla, H., Salami, D. & Sadreddini, S.V. Simulation analysis of the effects of defect density on the performance of p-i-n InGaN solar cell. Appl. Phys. A 109, 497–502 (2012). https://doi.org/10.1007/s00339-012-7062-8
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DOI: https://doi.org/10.1007/s00339-012-7062-8