High efficiency solar cells using quantum interferences |
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| Authors: | M Daryani A Rostami G Darvish M K Morravej Farshi |
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| Institution: | 1.Department of Electrical Engineering, Sciences and Research Branch,Islamic Azad University,Tehran,Iran;2.Photonics and Nanocrystals Research Lab., (PNRL), Faculty of Electrical and Computer Engineering,University of Tabriz,Tabriz,Iran;3.Faculty of Electrical & Computer Engineering,Tarbiat Modares University,Tehran,Iran |
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| Abstract: | In this paper, we propose a solar cell model that absorbs specific band of sunlight and investigate the effect of noise–induced quantum coherence in enhancing the output power of this cell. We numerically demonstrate that such induced coherence can increase the maximum output power from a nano structured solar cell by more than 25% as compared to the same system with no coherence. We also study the influence of increasing the bandwidth of absorption on the solar cell power and numerically show that in spite of decrease in output power due to enhancement of thermalisation loss, presence of quantum coherence effect still increases the output power of solar cell compared to non-coherence case. |
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